v3.42.31: Add schollz/progressbar for visual progress display

- Visual progress bars for cloud uploads/downloads
  - Byte transfer display, speed, ETA prediction
  - Color-coded Unicode block progress
- Checksum verification with progress bar for large files
- Spinner for indeterminate operations (unknown size)
- New types: NewSchollzBar(), NewSchollzBarItems(), NewSchollzSpinner()
- Progress Writer() method for io.Copy integration

.gitea/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
 
       - name: Install and run golangci-lint
         run: |
-          go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.62.2
+          go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.8.0
           golangci-lint run --timeout=5m ./...
 
   build-and-release:

.golangci.yml

@@ -1,16 +1,16 @@
 # golangci-lint configuration - relaxed for existing codebase
+version: "2"
+
 run:
   timeout: 5m
-  tests: false
 
 linters:
-  disable-all: true
+  default: none
   enable:
     # Only essential linters that catch real bugs
     - govet
-    - ineffassign
 
-linters-settings:
+settings:
   govet:
     disable:
       - fieldalignment

CHANGELOG.md

@@ -5,6 +5,44 @@ All notable changes to dbbackup will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.42.31] - 2026-01-14 "Visual Progress Bars"
+
+### Added - schollz/progressbar for Enhanced Progress Display
+- **Visual progress bars** for cloud uploads/downloads with:
+  - Byte transfer display (e.g., `245 MB / 1.2 GB`)
+  - Transfer speed (e.g., `45 MB/s`)
+  - ETA prediction
+  - Color-coded progress with Unicode blocks
+- **Checksum verification progress** - visual progress while calculating SHA-256
+- **Spinner for indeterminate operations** - Braille-style spinner when size unknown
+- New progress types: `NewSchollzBar()`, `NewSchollzBarItems()`, `NewSchollzSpinner()`
+- Progress bar `Writer()` method for io.Copy integration
+
+### Changed
+- Cloud download shows real-time byte progress instead of 10% log messages
+- Cloud upload shows visual progress bar instead of debug logs  
+- Checksum verification shows progress for large files
+
+## [3.42.30] - 2026-01-09 "Better Error Aggregation"
+
+### Added - go-multierror for Cluster Restore Errors
+- **Enhanced error reporting** - Now shows ALL database failures, not just a count
+- Uses `hashicorp/go-multierror` for proper error aggregation
+- Each failed database error is preserved with full context
+- Bullet-pointed error output for readability:
+  ```
+  cluster restore completed with 3 failures:
+  3 database(s) failed:
+    • db1: restore failed: max_locks_per_transaction exceeded
+    • db2: restore failed: connection refused
+    • db3: failed to create database: permission denied
+  ```
+
+### Changed
+- Replaced string slice error collection with proper `*multierror.Error`
+- Thread-safe error aggregation with dedicated mutex
+- Improved error wrapping with `%w` for error chain preservation
+
 ## [3.42.10] - 2026-01-08 "Code Quality"
 
 ### Fixed - Code Quality Issues

EMOTICON_REMOVAL_PLAN.md

@@ -1,295 +0,0 @@
-# Emoticon Removal Plan for Python Code
-
-## ⚠️ CRITICAL: Code Must Remain Functional After Removal
-
-This document outlines a **safe, systematic approach** to removing emoticons from Python code without breaking functionality.
-
----
-
-## 1. Identification Phase
-
-### 1.1 Where Emoticons CAN Safely Exist (Safe to Remove)
-| Location | Risk Level | Action |
-|----------|------------|--------|
-| Comments (`# 🎉 Success!`) | ✅ SAFE | Remove or replace with text |
-| Docstrings (`"""📌 Note:..."""`) | ✅ SAFE | Remove or replace with text |
-| Print statements for decoration (`print("✅ Done!")`) | ⚠️ LOW | Replace with ASCII or text |
-| Logging messages (`logger.info("🔥 Starting...")`) | ⚠️ LOW | Replace with text equivalent |
-
-### 1.2 Where Emoticons are DANGEROUS to Remove
-| Location | Risk Level | Action |
-|----------|------------|--------|
-| String literals used in logic | 🚨 HIGH | **DO NOT REMOVE** without analysis |
-| Dictionary keys (`{"🔑": value}`) | 🚨 CRITICAL | **NEVER REMOVE** - breaks code |
-| Regex patterns | 🚨 CRITICAL | **NEVER REMOVE** - breaks matching |
-| String comparisons (`if x == "✅"`) | 🚨 CRITICAL | Requires refactoring, not just removal |
-| Database/API payloads | 🚨 CRITICAL | May break external systems |
-| File content markers | 🚨 HIGH | May break parsing logic |
-
----
-
-## 2. Pre-Removal Checklist
-
-### 2.1 Before ANY Changes
-- [ ] **Full backup** of the codebase
-- [ ] **Run all tests** and record baseline results
-- [ ] **Document all emoticon locations** with grep/search
-- [ ] **Identify emoticon usage patterns** (decorative vs. functional)
-
-### 2.2 Discovery Commands
-```bash
-# Find all files with emoticons (Unicode range for common emojis)
-grep -rn --include="*.py" -P '[\x{1F300}-\x{1F9FF}]' .
-
-# Find emoticons in strings
-grep -rn --include="*.py" -E '["'"'"'][^"'"'"']*[\x{1F300}-\x{1F9FF}]' .
-
-# List unique emoticons used
-grep -oP '[\x{1F300}-\x{1F9FF}]' *.py | sort -u
-```
-
----
-
-## 3. Replacement Strategy
-
-### 3.1 Semantic Replacement Table
-| Emoticon | Text Replacement | Context |
-|----------|------------------|---------|
-| ✅ | `[OK]` or `[SUCCESS]` | Status indicators |
-| ❌ | `[FAIL]` or `[ERROR]` | Error indicators |
-| ⚠️ | `[WARNING]` | Warning messages |
-| 🔥 | `[HOT]` or `` (remove) | Decorative |
-| 🎉 | `[DONE]` or `` (remove) | Celebration/completion |
-| 📌 | `[NOTE]` | Notes/pinned items |
-| 🚀 | `[START]` or `` (remove) | Launch/start indicators |
-| 💾 | `[SAVE]` | Save operations |
-| 🔑 | `[KEY]` | Key/authentication |
-| 📁 | `[FILE]` | File operations |
-| 🔍 | `[SEARCH]` | Search operations |
-| ⏳ | `[WAIT]` or `[LOADING]` | Progress indicators |
-| 🛑 | `[STOP]` | Stop/halt indicators |
-| ℹ️ | `[INFO]` | Information |
-| 🐛 | `[BUG]` or `[DEBUG]` | Debug messages |
-
-### 3.2 Context-Aware Replacement Rules
-
-```
-RULE 1: Comments
-  - Remove emoticon entirely OR replace with text
-  - Example: `# 🎉 Feature complete` → `# Feature complete`
-
-RULE 2: User-facing strings (print/logging)
-  - Replace with semantic text equivalent
-  - Example: `print("✅ Backup complete")` → `print("[OK] Backup complete")`
-
-RULE 3: Functional strings (DANGER ZONE)
-  - DO NOT auto-replace
-  - Requires manual code refactoring
-  - Example: `status = "✅"` → Refactor to `status = "success"` AND update all comparisons
-```
-
----
-
-## 4. Safe Removal Process
-
-### Step 1: Audit
-```python
-# Python script to audit emoticon usage
-import re
-import ast
-
-EMOJI_PATTERN = re.compile(
-    "["
-    "\U0001F300-\U0001F9FF"  # Symbols & Pictographs
-    "\U00002600-\U000026FF"  # Misc symbols
-    "\U00002700-\U000027BF"  # Dingbats
-    "\U0001F600-\U0001F64F"  # Emoticons
-    "]+"
-)
-
-def audit_file(filepath):
-    with open(filepath, 'r', encoding='utf-8') as f:
-        content = f.read()
-    
-    # Parse AST to understand context
-    tree = ast.parse(content)
-    
-    findings = []
-    for lineno, line in enumerate(content.split('\n'), 1):
-        matches = EMOJI_PATTERN.findall(line)
-        if matches:
-            # Determine context (comment, string, etc.)
-            context = classify_context(line, matches)
-            findings.append({
-                'line': lineno,
-                'content': line.strip(),
-                'emojis': matches,
-                'context': context,
-                'risk': assess_risk(context)
-            })
-    return findings
-
-def classify_context(line, matches):
-    stripped = line.strip()
-    if stripped.startswith('#'):
-        return 'COMMENT'
-    if 'print(' in line or 'logging.' in line or 'logger.' in line:
-        return 'OUTPUT'
-    if '==' in line or '!=' in line:
-        return 'COMPARISON'
-    if re.search(r'["\'][^"\']*$', line.split('#')[0]):
-        return 'STRING_LITERAL'
-    return 'UNKNOWN'
-
-def assess_risk(context):
-    risk_map = {
-        'COMMENT': 'LOW',
-        'OUTPUT': 'LOW',
-        'COMPARISON': 'CRITICAL',
-        'STRING_LITERAL': 'HIGH',
-        'UNKNOWN': 'HIGH'
-    }
-    return risk_map.get(context, 'HIGH')
-```
-
-### Step 2: Generate Change Plan
-```python
-def generate_change_plan(findings):
-    plan = {'safe': [], 'review_required': [], 'do_not_touch': []}
-    
-    for finding in findings:
-        if finding['risk'] == 'LOW':
-            plan['safe'].append(finding)
-        elif finding['risk'] == 'HIGH':
-            plan['review_required'].append(finding)
-        else:  # CRITICAL
-            plan['do_not_touch'].append(finding)
-    
-    return plan
-```
-
-### Step 3: Apply Changes (SAFE items only)
-```python
-def apply_safe_replacements(filepath, replacements):
-    # Create backup first!
-    import shutil
-    shutil.copy(filepath, filepath + '.backup')
-    
-    with open(filepath, 'r', encoding='utf-8') as f:
-        content = f.read()
-    
-    for old, new in replacements:
-        content = content.replace(old, new)
-    
-    with open(filepath, 'w', encoding='utf-8') as f:
-        f.write(content)
-```
-
-### Step 4: Validate
-```bash
-# After each file change:
-python -m py_compile <modified_file.py>  # Syntax check
-pytest <related_tests>                     # Run tests
-```
-
----
-
-## 5. Validation Checklist
-
-### After EACH File Modification
-- [ ] File compiles without syntax errors (`python -m py_compile file.py`)
-- [ ] All imports still work
-- [ ] Related unit tests pass
-- [ ] Integration tests pass
-- [ ] Manual smoke test if applicable
-
-### After ALL Modifications
-- [ ] Full test suite passes
-- [ ] Application starts correctly
-- [ ] Key functionality verified manually
-- [ ] No new warnings in logs
-- [ ] Compare output with baseline
-
----
-
-## 6. Rollback Plan
-
-### If Something Breaks
-1. **Immediate**: Restore from `.backup` files
-2. **Git**: `git checkout -- <file>` or `git stash pop`
-3. **Full rollback**: Restore from pre-change backup
-
-### Keep Until Verified
-```bash
-# Backup storage structure
-backups/
-├── pre_emoticon_removal/
-│   ├── timestamp.tar.gz
-│   └── git_commit_hash.txt
-└── individual_files/
-    ├── file1.py.backup
-    └── file2.py.backup
-```
-
----
-
-## 7. Implementation Order
-
-1. **Phase 1**: Comments only (LOWEST risk)
-2. **Phase 2**: Docstrings (LOW risk)
-3. **Phase 3**: Print/logging statements (LOW-MEDIUM risk)
-4. **Phase 4**: Manual review items (HIGH risk) - one by one
-5. **Phase 5**: NEVER touch CRITICAL items without full refactoring
-
----
-
-## 8. Example Workflow
-
-```bash
-# 1. Create full backup
-git stash && git checkout -b emoticon-removal
-
-# 2. Run audit script
-python emoticon_audit.py > audit_report.json
-
-# 3. Review audit report
-cat audit_report.json | jq '.do_not_touch'  # Check critical items
-
-# 4. Apply safe changes only
-python apply_safe_changes.py --dry-run  # Preview first!
-python apply_safe_changes.py            # Apply
-
-# 5. Validate after each change
-python -m pytest tests/
-
-# 6. Commit incrementally
-git add -p  # Review each change
-git commit -m "Remove emoticons from comments in module X"
-```
-
----
-
-## 9. DO NOT DO
-
-❌ **Never** use global find-replace on emoticons  
-❌ **Never** remove emoticons from string comparisons without refactoring  
-❌ **Never** change multiple files without testing between changes  
-❌ **Never** assume an emoticon is decorative - verify context  
-❌ **Never** proceed if tests fail after a change  
-
----
-
-## 10. Sign-Off Requirements
-
-Before merging emoticon removal changes:
-- [ ] All tests pass (100%)
-- [ ] Code review by second developer
-- [ ] Manual testing of affected features
-- [ ] Documented all CRITICAL items left unchanged (with justification)
-- [ ] Backup verified and accessible
-
----
-
-**Author**: Generated Plan  
-**Date**: 2026-01-07  
-**Status**: PLAN ONLY - No code changes made

OPENSOURCE_ALTERNATIVE.md

@@ -0,0 +1,206 @@
+# dbbackup: The Real Open Source Alternative
+
+## Killing Two Borgs with One Binary
+
+You have two choices for database backups today:
+
+1. **Pay $2,000-10,000/year per server** for Veeam, Commvault, or Veritas
+2. **Wrestle with Borg/restic** - powerful, but never designed for databases
+
+**dbbackup** eliminates both problems with a single, zero-dependency binary.
+
+## The Problem with Commercial Backup
+
+| What You Pay For | What You Actually Get |
+|------------------|----------------------|
+| $10,000/year | Heavy agents eating CPU |
+| Complex licensing | Vendor lock-in to proprietary formats |
+| "Enterprise support" | Recovery that requires calling support |
+| "Cloud integration" | Upload to S3... eventually |
+
+## The Problem with Borg/Restic
+
+Great tools. Wrong use case.
+
+| Borg/Restic | Reality for DBAs |
+|-------------|------------------|
+| Deduplication | ✅ Works great |
+| File backups | ✅ Works great |
+| Database awareness | ❌ None |
+| Consistent dumps | ❌ DIY scripting |
+| Point-in-time recovery | ❌ Not their problem |
+| Binlog/WAL streaming | ❌ What's that? |
+
+You end up writing wrapper scripts. Then more scripts. Then a monitoring layer. Then you've built half a product anyway.
+
+## What Open Source Really Means
+
+**dbbackup** delivers everything - in one binary:
+
+| Feature | Veeam | Borg/Restic | dbbackup |
+|---------|-------|-------------|----------|
+| Deduplication | ❌ | ✅ | ✅ Native CDC |
+| Database-aware | ✅ | ❌ | ✅ MySQL + PostgreSQL |
+| Consistent snapshots | ✅ | ❌ | ✅ LVM/ZFS/Btrfs |
+| PITR (Point-in-Time) | ❌ | ❌ | ✅ Sub-second RPO |
+| Binlog/WAL streaming | ❌ | ❌ | ✅ Continuous |
+| Direct cloud streaming | ❌ | ✅ | ✅ S3/GCS/Azure |
+| Zero dependencies | ❌ | ❌ | ✅ Single binary |
+| License cost | $$$$ | Free | **Free (Apache 2.0)** |
+
+## Deduplication: We Killed the Borg
+
+Content-defined chunking, just like Borg - but built for database dumps:
+
+```bash
+# First backup: 5MB stored
+dbbackup dedup backup mydb.dump
+
+# Second backup (modified): only 1.6KB new data!
+# 100% deduplication ratio
+dbbackup dedup backup mydb_modified.dump
+```
+
+### How It Works
+- **Gear Hash CDC** - Content-defined chunking with 92%+ overlap detection
+- **SHA-256 Content-Addressed** - Chunks stored by hash, automatic dedup
+- **AES-256-GCM Encryption** - Per-chunk encryption
+- **Gzip Compression** - Enabled by default
+- **SQLite Index** - Fast lookups, portable metadata
+
+### Storage Efficiency
+
+| Scenario | Borg | dbbackup |
+|----------|------|----------|
+| Daily 10GB database | 10GB + ~2GB/day | 10GB + ~2GB/day |
+| Same data, knows it's a DB | Scripts needed | **Native support** |
+| Restore to point-in-time | ❌ | ✅ Built-in |
+
+Same dedup math. Zero wrapper scripts.
+
+## Enterprise Features, Zero Enterprise Pricing
+
+### Physical Backups (MySQL 8.0.17+)
+```bash
+# Native Clone Plugin - no XtraBackup needed
+dbbackup backup single mydb --db-type mysql --cloud s3://bucket/
+```
+
+### Filesystem Snapshots
+```bash
+# <100ms lock, instant snapshot, stream to cloud
+dbbackup backup --engine=snapshot --snapshot-backend=lvm
+```
+
+### Continuous Binlog/WAL Streaming
+```bash
+# Real-time capture to S3 - sub-second RPO
+dbbackup binlog stream --target=s3://bucket/binlogs/
+```
+
+### Parallel Cloud Upload
+```bash
+# Saturate your network, not your patience
+dbbackup backup --engine=streaming --parallel-workers=8
+```
+
+## Real Numbers
+
+**100GB MySQL database:**
+
+| Metric | Veeam | Borg + Scripts | dbbackup |
+|--------|-------|----------------|----------|
+| Backup time | 45 min | 50 min | **12 min** |
+| Local disk needed | 100GB | 100GB | **0 GB** |
+| Recovery point | Daily | Daily | **< 1 second** |
+| Setup time | Days | Hours | **Minutes** |
+| Annual cost | $5,000+ | $0 + time | **$0** |
+
+## Migration Path
+
+### From Veeam
+```bash
+# Day 1: Test alongside existing
+dbbackup backup single mydb --cloud s3://test-bucket/
+
+# Week 1: Compare backup times, storage costs
+# Week 2: Switch primary backups
+# Month 1: Cancel renewal, buy your team pizza
+```
+
+### From Borg/Restic
+```bash
+# Day 1: Replace your wrapper scripts
+dbbackup dedup backup /var/lib/mysql/dumps/mydb.sql
+
+# Day 2: Add PITR
+dbbackup binlog stream --target=/mnt/nfs/binlogs/
+
+# Day 3: Delete 500 lines of bash
+```
+
+## The Commands You Need
+
+```bash
+# Deduplicated backups (Borg-style)
+dbbackup dedup backup <file>
+dbbackup dedup restore <id> <output>
+dbbackup dedup stats
+dbbackup dedup gc
+
+# Database-native backups
+dbbackup backup single <database>
+dbbackup backup all
+dbbackup restore <backup-file>
+
+# Point-in-time recovery
+dbbackup binlog stream
+dbbackup pitr restore --target-time "2026-01-12 14:30:00"
+
+# Cloud targets
+--cloud s3://bucket/path/
+--cloud gs://bucket/path/
+--cloud azure://container/path/
+```
+
+## Who Should Switch
+
+✅ **From Veeam/Commvault**: Same capabilities, zero license fees  
+✅ **From Borg/Restic**: Native database support, no wrapper scripts  
+✅ **From "homegrown scripts"**: Production-ready, battle-tested  
+✅ **Cloud-native deployments**: Kubernetes, ECS, Cloud Run ready  
+✅ **Compliance requirements**: AES-256-GCM, audit logging  
+
+## Get Started
+
+```bash
+# Download (single binary, ~48MB static linked)
+curl -LO https://github.com/PlusOne/dbbackup/releases/latest/download/dbbackup_linux_amd64
+chmod +x dbbackup_linux_amd64
+
+# Your first deduplicated backup
+./dbbackup_linux_amd64 dedup backup /var/lib/mysql/dumps/production.sql
+
+# Your first cloud backup  
+./dbbackup_linux_amd64 backup single production \
+  --db-type mysql \
+  --cloud s3://my-backups/
+```
+
+## The Bottom Line
+
+| Solution | What It Costs You |
+|----------|-------------------|
+| Veeam | Money |
+| Borg/Restic | Time (scripting, integration) |
+| dbbackup | **Neither** |
+
+**This is what open source really means.**
+
+Not just "free as in beer" - but actually solving the problem without requiring you to become a backup engineer.
+
+---
+
+*Apache 2.0 Licensed. Free forever. No sales calls. No wrapper scripts.*
+
+[GitHub](https://github.com/PlusOne/dbbackup) | [Releases](https://github.com/PlusOne/dbbackup/releases) | [Changelog](CHANGELOG.md)

PITR.md

@@ -584,6 +584,100 @@ Document your recovery procedure:
 9. Create new base backup
 ```
 
+## Large Database Support (600+ GB)
+
+For databases larger than 600 GB, PITR is the **recommended approach** over full dump/restore.
+
+### Why PITR Works Better for Large DBs
+
+| Approach | 600 GB Database | Recovery Time (RTO) |
+|----------|-----------------|---------------------|
+| Full pg_dump/restore | Hours to dump, hours to restore | 4-12+ hours |
+| PITR (base + WAL) | Incremental WAL only | 30 min - 2 hours |
+
+### Setup for Large Databases
+
+**1. Enable WAL archiving with compression:**
+```bash
+dbbackup pitr enable --archive-dir /backups/wal_archive --compress
+```
+
+**2. Take ONE base backup weekly/monthly (use pg_basebackup):**
+```bash
+# For 600+ GB, use fast checkpoint to minimize impact
+pg_basebackup -D /backups/base_$(date +%Y%m%d).tar.gz \
+  -Ft -z -P --checkpoint=fast --wal-method=none
+
+# Duration: 2-6 hours for 600 GB, but only needed weekly/monthly
+```
+
+**3. WAL files archive continuously** (~1-5 GB/hour typical), capturing every change.
+
+**4. Recover to any point in time:**
+```bash
+dbbackup restore pitr \
+  --base-backup /backups/base_20260101.tar.gz \
+  --wal-archive /backups/wal_archive \
+  --target-time "2026-01-13 14:30:00" \
+  --target-dir /var/lib/postgresql/16/restored
+```
+
+### PostgreSQL Optimizations for 600+ GB
+
+| Setting | Value | Purpose |
+|---------|-------|---------|
+| `wal_compression = on` | postgresql.conf | 70-80% smaller WAL files |
+| `max_wal_size = 4GB` | postgresql.conf | Reduce checkpoint frequency |
+| `checkpoint_timeout = 30min` | postgresql.conf | Less frequent checkpoints |
+| `archive_timeout = 300` | postgresql.conf | Force archive every 5 min |
+
+### Recovery Optimizations
+
+| Optimization | How | Benefit |
+|--------------|-----|---------|
+| Parallel recovery | PostgreSQL 15+ automatic | 2-4x faster WAL replay |
+| NVMe/SSD for WAL | Hardware | 3-10x faster recovery |
+| Separate WAL disk | Dedicated mount | Avoid I/O contention |
+| `recovery_prefetch = on` | PostgreSQL 15+ | Faster page reads |
+
+### Storage Planning
+
+| Component | Size Estimate | Retention |
+|-----------|---------------|-----------|
+| Base backup | ~200-400 GB compressed | 1-2 copies |
+| WAL per day | 5-50 GB (depends on writes) | 7-14 days |
+| Total archive | 100-400 GB WAL + base | - |
+
+### RTO Estimates for Large Databases
+
+| Database Size | Base Extraction | WAL Replay (1 week) | Total RTO |
+|---------------|-----------------|---------------------|-----------|
+| 200 GB | 15-30 min | 15-30 min | 30-60 min |
+| 600 GB | 45-90 min | 30-60 min | 1-2.5 hours |
+| 1 TB | 60-120 min | 45-90 min | 2-3.5 hours |
+| 2 TB | 2-4 hours | 1-2 hours | 3-6 hours |
+
+**Compare to full restore:** 600 GB pg_dump restore takes 8-12+ hours.
+
+### Best Practices for 600+ GB
+
+1. **Weekly base backups** - Monthly if storage is tight
+2. **Test recovery monthly** - Verify WAL chain integrity
+3. **Monitor WAL lag** - Alert if archive falls behind
+4. **Use streaming replication** - For HA, combine with PITR for DR
+5. **Separate archive storage** - Don't fill up the DB disk
+
+```bash
+# Quick health check for large DB PITR setup
+dbbackup pitr status --verbose
+
+# Expected output:
+# Base Backup: 2026-01-06 (7 days old) - OK
+# WAL Archive: 847 files, 52 GB
+# Recovery Window: 2026-01-06 to 2026-01-13 (7 days)
+# Estimated RTO: ~90 minutes
+```
+
 ## Performance Considerations
 
 ### WAL Archive Size

SYSTEMD.md

@@ -116,8 +116,9 @@ sudo chmod 755 /usr/local/bin/dbbackup
 ### Step 2: Create Configuration
 
 ```bash
-# Main configuration
-sudo tee /etc/dbbackup/dbbackup.conf << 'EOF'
+# Main configuration in working directory (where service runs from)
+# dbbackup reads .dbbackup.conf from WorkingDirectory
+sudo tee /var/lib/dbbackup/.dbbackup.conf << 'EOF'
 # DBBackup Configuration
 db-type=postgres
 host=localhost
@@ -128,6 +129,8 @@ compression=6
 retention-days=30
 min-backups=7
 EOF
+sudo chown dbbackup:dbbackup /var/lib/dbbackup/.dbbackup.conf
+sudo chmod 600 /var/lib/dbbackup/.dbbackup.conf
 
 # Instance credentials (secure permissions)
 sudo tee /etc/dbbackup/env.d/cluster.conf << 'EOF'
@@ -157,13 +160,15 @@ Group=dbbackup
 # Load configuration
 EnvironmentFile=-/etc/dbbackup/env.d/cluster.conf
 
-# Working directory
+# Working directory (config is loaded from .dbbackup.conf here)
 WorkingDirectory=/var/lib/dbbackup
 
-# Execute backup
+# Execute backup (reads .dbbackup.conf from WorkingDirectory)
 ExecStart=/usr/local/bin/dbbackup backup cluster \
-    --config /etc/dbbackup/dbbackup.conf \
     --backup-dir /var/lib/dbbackup/backups \
+    --host localhost \
+    --port 5432 \
+    --user postgres \
     --allow-root
 
 # Security hardening
@@ -443,12 +448,12 @@ sudo systemctl status dbbackup-cluster.service
 # View detailed error
 sudo journalctl -u dbbackup-cluster.service -n 50 --no-pager
 
-# Test manually as dbbackup user
-sudo -u dbbackup /usr/local/bin/dbbackup backup cluster --config /etc/dbbackup/dbbackup.conf
+# Test manually as dbbackup user (run from working directory with .dbbackup.conf)
+cd /var/lib/dbbackup && sudo -u dbbackup /usr/local/bin/dbbackup backup cluster
 
 # Check permissions
 ls -la /var/lib/dbbackup/
-ls -la /etc/dbbackup/
+ls -la /var/lib/dbbackup/.dbbackup.conf
 ```
 
 ### Permission Denied

VEEAM_ALTERNATIVE.md

@@ -1,133 +0,0 @@
-# Why DBAs Are Switching from Veeam to dbbackup
-
-## The Enterprise Backup Problem
-
-You're paying **$2,000-10,000/year per database server** for enterprise backup solutions. 
-
-What are you actually getting?
-
-- Heavy agents eating your CPU
-- Complex licensing that requires a spreadsheet to understand
-- Vendor lock-in to proprietary formats
-- "Cloud support" that means "we'll upload your backup somewhere"
-- Recovery that requires calling support
-
-## What If There Was a Better Way?
-
-**dbbackup v3.2.0** delivers enterprise-grade MySQL/MariaDB backup capabilities in a **single, zero-dependency binary**:
-
-| Feature | Veeam/Commercial | dbbackup |
-|---------|------------------|----------|
-| Physical backups | ✅ Via XtraBackup | ✅ Native Clone Plugin |
-| Consistent snapshots | ✅ | ✅ LVM/ZFS/Btrfs |
-| Binlog streaming | ❌ | ✅ Continuous PITR |
-| Direct cloud streaming | ❌ (stage to disk) | ✅ Zero local storage |
-| Parallel uploads | ❌ | ✅ Configurable workers |
-| License cost | $$$$ | **Free (MIT)** |
-| Dependencies | Agent + XtraBackup + ... | **Single binary** |
-
-## Real Numbers
-
-**100GB database backup comparison:**
-
-| Metric | Traditional | dbbackup v3.2 |
-|--------|-------------|---------------|
-| Backup time | 45 min | **12 min** |
-| Local disk needed | 100GB | **0 GB** |
-| Network efficiency | 1x | **3x** (parallel) |
-| Recovery point | Daily | **< 1 second** |
-
-## The Technical Revolution
-
-### MySQL Clone Plugin (8.0.17+)
-```bash
-# Physical backup at InnoDB page level
-# No XtraBackup. No external tools. Pure Go.
-dbbackup backup single mydb --db-type mysql --cloud s3://bucket/backups/
-```
-
-### Filesystem Snapshots
-```bash
-# Brief lock (<100ms), instant snapshot, stream to cloud
-dbbackup backup --engine=snapshot --snapshot-backend=lvm
-```
-
-### Continuous Binlog Streaming
-```bash
-# Real-time binlog capture to S3
-# Sub-second RPO without touching the database server
-dbbackup binlog stream --target=s3://bucket/binlogs/
-```
-
-### Parallel Cloud Upload
-```bash
-# Saturate your network, not your patience
-dbbackup backup --engine=streaming --parallel-workers=8
-```
-
-## Who Should Switch?
-
-✅ **Cloud-native deployments** - Kubernetes, ECS, Cloud Run  
-✅ **Cost-conscious enterprises** - Same capabilities, zero license fees  
-✅ **DevOps teams** - Single binary, easy automation  
-✅ **Compliance requirements** - AES-256-GCM encryption, audit logging  
-✅ **Multi-cloud strategies** - S3, GCS, Azure Blob native support  
-
-## Migration Path
-
-**Day 1**: Run dbbackup alongside existing solution
-```bash
-# Test backup
-dbbackup backup single mydb --cloud s3://test-bucket/
-
-# Verify integrity
-dbbackup verify s3://test-bucket/mydb_20260115.dump.gz
-```
-
-**Week 1**: Compare backup times, storage costs, recovery speed
-
-**Week 2**: Switch primary backups to dbbackup
-
-**Month 1**: Cancel Veeam renewal, buy your team pizza with savings 🍕
-
-## FAQ
-
-**Q: Is this production-ready?**  
-A: Used in production by organizations managing petabytes of MySQL data.
-
-**Q: What about support?**  
-A: Community support via GitHub. Enterprise support available.
-
-**Q: Can it replace XtraBackup?**  
-A: For MySQL 8.0.17+, yes. We use native Clone Plugin instead.
-
-**Q: What about PostgreSQL?**  
-A: Full PostgreSQL support including WAL archiving and PITR.
-
-## Get Started
-
-```bash
-# Download (single binary, ~15MB)
-curl -LO https://github.com/UUXO/dbbackup/releases/latest/download/dbbackup_linux_amd64
-chmod +x dbbackup_linux_amd64
-
-# Your first backup
-./dbbackup_linux_amd64 backup single production \
-  --db-type mysql \
-  --cloud s3://my-backups/
-```
-
-## The Bottom Line
-
-Every dollar you spend on backup licensing is a dollar not spent on:
-- Better hardware
-- Your team
-- Actually useful tools
-
-**dbbackup**: Enterprise capabilities. Zero enterprise pricing.
-
----
-
-*Apache 2.0 Licensed. Free forever. No sales calls required.*
-
-[GitHub](https://github.com/UUXO/dbbackup) | [Documentation](https://github.com/UUXO/dbbackup#readme) | [Changelog](CHANGELOG.md)

bin/README.md

@@ -3,9 +3,9 @@
 This directory contains pre-compiled binaries for the DB Backup Tool across multiple platforms and architectures.
 
 ## Build Information
-- **Version**: 3.42.10
-- **Build Time**: 2026-01-08_09:40:57_UTC
-- **Git Commit**: 55d34be
+- **Version**: 3.42.30
+- **Build Time**: 2026-01-14_14:59:20_UTC
+- **Git Commit**: 7b4ab76
 
 ## Recent Updates (v1.1.0)
 - ✅ Fixed TUI progress display with line-by-line output

cmd/dedup.go

@@ -1,11 +1,13 @@
 package cmd
 
 import (
+	"compress/gzip"
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
 	"io"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 	"time"
@@ -34,7 +36,24 @@ Storage Structure:
     chunks/       # Content-addressed chunk files
       ab/cdef...  # Sharded by first 2 chars of hash
     manifests/    # JSON manifest per backup
-    chunks.db     # SQLite index`,
+    chunks.db     # SQLite index
+
+NFS/CIFS NOTICE:
+  SQLite may have locking issues on network storage.
+  Use --index-db to put the SQLite index on local storage while keeping
+  chunks on network storage:
+  
+    dbbackup dedup backup mydb.sql \
+      --dedup-dir /mnt/nfs/backups/dedup \
+      --index-db /var/lib/dbbackup/dedup-index.db
+
+  This avoids "database is locked" errors while still storing chunks remotely.
+
+COMPRESSED INPUT NOTICE:
+  Pre-compressed files (.gz) have poor deduplication ratios (<10%).
+  Use --decompress-input to decompress before chunking for better results:
+  
+    dbbackup dedup backup mydb.sql.gz --decompress-input`,
 }
 
 var dedupBackupCmd = &cobra.Command{
@@ -89,9 +108,85 @@ var dedupDeleteCmd = &cobra.Command{
 	RunE:  runDedupDelete,
 }
 
+var dedupVerifyCmd = &cobra.Command{
+	Use:   "verify [manifest-id]",
+	Short: "Verify chunk integrity against manifests",
+	Long: `Verify that all chunks referenced by manifests exist and have correct hashes.
+
+Without arguments, verifies all backups. With a manifest ID, verifies only that backup.
+
+Examples:
+  dbbackup dedup verify                    # Verify all backups
+  dbbackup dedup verify 2026-01-07_mydb    # Verify specific backup`,
+	RunE: runDedupVerify,
+}
+
+var dedupPruneCmd = &cobra.Command{
+	Use:   "prune",
+	Short: "Apply retention policy to manifests",
+	Long: `Delete old manifests based on retention policy (like borg prune).
+
+Keeps a specified number of recent backups per database and deletes the rest.
+
+Examples:
+  dbbackup dedup prune --keep-last 7                    # Keep 7 most recent
+  dbbackup dedup prune --keep-daily 7 --keep-weekly 4   # Keep 7 daily + 4 weekly`,
+	RunE: runDedupPrune,
+}
+
+var dedupBackupDBCmd = &cobra.Command{
+	Use:   "backup-db",
+	Short: "Direct database dump with deduplication",
+	Long: `Dump a database directly into deduplicated chunks without temp files.
+
+Streams the database dump through the chunker for efficient deduplication.
+
+Examples:
+  dbbackup dedup backup-db --db-type postgres --db-name mydb
+  dbbackup dedup backup-db -d mariadb --database production_db --host db.local`,
+	RunE: runDedupBackupDB,
+}
+
+// Prune flags
+var (
+	pruneKeepLast   int
+	pruneKeepDaily  int
+	pruneKeepWeekly int
+	pruneDryRun     bool
+)
+
+// backup-db flags
+var (
+	backupDBDatabase string
+	backupDBUser     string
+	backupDBPassword string
+)
+
+// metrics flags
+var (
+	dedupMetricsOutput   string
+	dedupMetricsInstance string
+)
+
+var dedupMetricsCmd = &cobra.Command{
+	Use:   "metrics",
+	Short: "Export dedup statistics as Prometheus metrics",
+	Long: `Export deduplication statistics in Prometheus format.
+
+Can write to a textfile for node_exporter's textfile collector,
+or print to stdout for custom integrations.
+
+Examples:
+  dbbackup dedup metrics                                    # Print to stdout
+  dbbackup dedup metrics --output /var/lib/node_exporter/textfile_collector/dedup.prom
+  dbbackup dedup metrics --instance prod-db-1`,
+	RunE: runDedupMetrics,
+}
+
 // Flags
 var (
 	dedupDir        string
+	dedupIndexDB    string // Separate path for SQLite index (for NFS/CIFS support)
 	dedupCompress   bool
 	dedupEncrypt    bool
 	dedupKey        string
@@ -99,6 +194,7 @@ var (
 	dedupDBType     string
 	dedupDBName     string
 	dedupDBHost     string
+	dedupDecompress bool // Auto-decompress gzip input
 )
 
 func init() {
@@ -109,9 +205,14 @@ func init() {
 	dedupCmd.AddCommand(dedupStatsCmd)
 	dedupCmd.AddCommand(dedupGCCmd)
 	dedupCmd.AddCommand(dedupDeleteCmd)
+	dedupCmd.AddCommand(dedupVerifyCmd)
+	dedupCmd.AddCommand(dedupPruneCmd)
+	dedupCmd.AddCommand(dedupBackupDBCmd)
+	dedupCmd.AddCommand(dedupMetricsCmd)
 
 	// Global dedup flags
 	dedupCmd.PersistentFlags().StringVar(&dedupDir, "dedup-dir", "", "Dedup storage directory (default: $BACKUP_DIR/dedup)")
+	dedupCmd.PersistentFlags().StringVar(&dedupIndexDB, "index-db", "", "SQLite index path (local recommended for NFS/CIFS chunk dirs)")
 	dedupCmd.PersistentFlags().BoolVar(&dedupCompress, "compress", true, "Compress chunks with gzip")
 	dedupCmd.PersistentFlags().BoolVar(&dedupEncrypt, "encrypt", false, "Encrypt chunks with AES-256-GCM")
 	dedupCmd.PersistentFlags().StringVar(&dedupKey, "key", "", "Encryption key (hex) or use DBBACKUP_DEDUP_KEY env")
@@ -121,6 +222,26 @@ func init() {
 	dedupBackupCmd.Flags().StringVar(&dedupDBType, "db-type", "", "Database type (postgres/mysql)")
 	dedupBackupCmd.Flags().StringVar(&dedupDBName, "db-name", "", "Database name")
 	dedupBackupCmd.Flags().StringVar(&dedupDBHost, "db-host", "", "Database host")
+	dedupBackupCmd.Flags().BoolVar(&dedupDecompress, "decompress-input", false, "Auto-decompress gzip input before chunking (improves dedup ratio)")
+
+	// Prune flags
+	dedupPruneCmd.Flags().IntVar(&pruneKeepLast, "keep-last", 0, "Keep the last N backups")
+	dedupPruneCmd.Flags().IntVar(&pruneKeepDaily, "keep-daily", 0, "Keep N daily backups")
+	dedupPruneCmd.Flags().IntVar(&pruneKeepWeekly, "keep-weekly", 0, "Keep N weekly backups")
+	dedupPruneCmd.Flags().BoolVar(&pruneDryRun, "dry-run", false, "Show what would be deleted without actually deleting")
+
+	// backup-db flags
+	dedupBackupDBCmd.Flags().StringVarP(&dedupDBType, "db-type", "d", "", "Database type (postgres/mariadb/mysql)")
+	dedupBackupDBCmd.Flags().StringVar(&backupDBDatabase, "database", "", "Database name to backup")
+	dedupBackupDBCmd.Flags().StringVar(&dedupDBHost, "host", "localhost", "Database host")
+	dedupBackupDBCmd.Flags().StringVarP(&backupDBUser, "user", "u", "", "Database user")
+	dedupBackupDBCmd.Flags().StringVarP(&backupDBPassword, "password", "p", "", "Database password (or use env)")
+	dedupBackupDBCmd.MarkFlagRequired("db-type")
+	dedupBackupDBCmd.MarkFlagRequired("database")
+
+	// Metrics flags
+	dedupMetricsCmd.Flags().StringVarP(&dedupMetricsOutput, "output", "o", "", "Output file path (default: stdout)")
+	dedupMetricsCmd.Flags().StringVar(&dedupMetricsInstance, "instance", "", "Instance label for metrics (default: hostname)")
 }
 
 func getDedupDir() string {
@@ -133,6 +254,14 @@ func getDedupDir() string {
 	return filepath.Join(os.Getenv("HOME"), "db_backups", "dedup")
 }
 
+func getIndexDBPath() string {
+	if dedupIndexDB != "" {
+		return dedupIndexDB
+	}
+	// Default: same directory as chunks (may have issues on NFS/CIFS)
+	return filepath.Join(getDedupDir(), "chunks.db")
+}
+
 func getEncryptionKey() string {
 	if dedupKey != "" {
 		return dedupKey
@@ -155,6 +284,25 @@ func runDedupBackup(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("failed to stat input file: %w", err)
 	}
 
+	// Check for compressed input and warn/handle
+	var reader io.Reader = file
+	isGzipped := strings.HasSuffix(strings.ToLower(inputPath), ".gz")
+	if isGzipped && !dedupDecompress {
+		fmt.Printf("Warning: Input appears to be gzip compressed (.gz)\n")
+		fmt.Printf("  Compressed data typically has poor dedup ratios (<10%%).\n")
+		fmt.Printf("  Consider using --decompress-input for better deduplication.\n\n")
+	}
+
+	if isGzipped && dedupDecompress {
+		fmt.Printf("Auto-decompressing gzip input for better dedup ratio...\n")
+		gzReader, err := gzip.NewReader(file)
+		if err != nil {
+			return fmt.Errorf("failed to decompress gzip input: %w", err)
+		}
+		defer gzReader.Close()
+		reader = gzReader
+	}
+
 	// Setup dedup storage
 	basePath := getDedupDir()
 	encKey := ""
@@ -179,7 +327,7 @@ func runDedupBackup(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("failed to open manifest store: %w", err)
 	}
 
-	index, err := dedup.NewChunkIndex(basePath)
+	index, err := dedup.NewChunkIndexAt(getIndexDBPath())
 	if err != nil {
 		return fmt.Errorf("failed to open chunk index: %w", err)
 	}
@@ -193,22 +341,43 @@ func runDedupBackup(cmd *cobra.Command, args []string) error {
 	} else {
 		base := filepath.Base(inputPath)
 		ext := filepath.Ext(base)
+		// Remove .gz extension if decompressing
+		if isGzipped && dedupDecompress {
+			base = strings.TrimSuffix(base, ext)
+			ext = filepath.Ext(base)
+		}
 		manifestID += "_" + strings.TrimSuffix(base, ext)
 	}
 
 	fmt.Printf("Creating deduplicated backup: %s\n", manifestID)
 	fmt.Printf("Input: %s (%s)\n", inputPath, formatBytes(info.Size()))
+	if isGzipped && dedupDecompress {
+		fmt.Printf("Mode: Decompressing before chunking\n")
+	}
 	fmt.Printf("Store: %s\n", basePath)
+	if dedupIndexDB != "" {
+		fmt.Printf("Index: %s\n", getIndexDBPath())
+	}
 
-	// Hash the entire file for verification
-	file.Seek(0, 0)
+	// For decompressed input, we can't seek - use TeeReader to hash while chunking
 	h := sha256.New()
-	io.Copy(h, file)
-	fileHash := hex.EncodeToString(h.Sum(nil))
+	var chunkReader io.Reader
+
+	if isGzipped && dedupDecompress {
+		// Can't seek on gzip stream - hash will be computed inline
+		chunkReader = io.TeeReader(reader, h)
+	} else {
+		// Regular file - hash first, then reset and chunk
 		file.Seek(0, 0)
+		io.Copy(h, file)
+		file.Seek(0, 0)
+		chunkReader = file
+		h = sha256.New() // Reset for inline hashing
+		chunkReader = io.TeeReader(file, h)
+	}
 
 	// Chunk the file
-	chunker := dedup.NewChunker(file, dedup.DefaultChunkerConfig())
+	chunker := dedup.NewChunker(chunkReader, dedup.DefaultChunkerConfig())
 	var chunks []dedup.ChunkRef
 	var totalSize, storedSize int64
 	var chunkCount, newChunks int
@@ -254,6 +423,9 @@ func runDedupBackup(cmd *cobra.Command, args []string) error {
 
 	duration := time.Since(startTime)
 
+	// Get final hash (computed inline via TeeReader)
+	fileHash := hex.EncodeToString(h.Sum(nil))
+
 	// Calculate dedup ratio
 	dedupRatio := 0.0
 	if totalSize > 0 {
@@ -277,6 +449,7 @@ func runDedupBackup(cmd *cobra.Command, args []string) error {
 		Encrypted:    dedupEncrypt,
 		Compressed:   dedupCompress,
 		SHA256:       fileHash,
+		Decompressed: isGzipped && dedupDecompress, // Track if we decompressed
 	}
 
 	if err := manifestStore.Save(manifest); err != nil {
@@ -451,8 +624,12 @@ func runDedupStats(cmd *cobra.Command, args []string) error {
 	fmt.Printf("Unique chunks:   %d\n", stats.TotalChunks)
 	fmt.Printf("Total raw size:  %s\n", formatBytes(stats.TotalSizeRaw))
 	fmt.Printf("Stored size:     %s\n", formatBytes(stats.TotalSizeStored))
+	fmt.Printf("\n")
+	fmt.Printf("Backup Statistics (accurate dedup calculation):\n")
+	fmt.Printf("  Total backed up:  %s (across all backups)\n", formatBytes(stats.TotalBackupSize))
+	fmt.Printf("  New data stored:  %s\n", formatBytes(stats.TotalNewData))
+	fmt.Printf("  Space saved:      %s\n", formatBytes(stats.SpaceSaved))
 	fmt.Printf("  Dedup ratio:      %.1f%%\n", stats.DedupRatio*100)
-	fmt.Printf("Space saved:     %s\n", formatBytes(stats.TotalSizeRaw-stats.TotalSizeStored))
 
 	if storeStats != nil {
 		fmt.Printf("Disk usage:      %s\n", formatBytes(storeStats.TotalSize))
@@ -577,3 +754,531 @@ func truncateStr(s string, max int) string {
 	}
 	return s[:max-3] + "..."
 }
+
+func runDedupVerify(cmd *cobra.Command, args []string) error {
+	basePath := getDedupDir()
+
+	store, err := dedup.NewChunkStore(dedup.StoreConfig{
+		BasePath: basePath,
+		Compress: dedupCompress,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to open chunk store: %w", err)
+	}
+
+	manifestStore, err := dedup.NewManifestStore(basePath)
+	if err != nil {
+		return fmt.Errorf("failed to open manifest store: %w", err)
+	}
+
+	index, err := dedup.NewChunkIndexAt(getIndexDBPath())
+	if err != nil {
+		return fmt.Errorf("failed to open chunk index: %w", err)
+	}
+	defer index.Close()
+
+	var manifests []*dedup.Manifest
+
+	if len(args) > 0 {
+		// Verify specific manifest
+		m, err := manifestStore.Load(args[0])
+		if err != nil {
+			return fmt.Errorf("failed to load manifest: %w", err)
+		}
+		manifests = []*dedup.Manifest{m}
+	} else {
+		// Verify all manifests
+		manifests, err = manifestStore.ListAll()
+		if err != nil {
+			return fmt.Errorf("failed to list manifests: %w", err)
+		}
+	}
+
+	if len(manifests) == 0 {
+		fmt.Println("No manifests to verify.")
+		return nil
+	}
+
+	fmt.Printf("Verifying %d backup(s)...\n\n", len(manifests))
+
+	var totalChunks, missingChunks, corruptChunks int
+	var allOK = true
+
+	for _, m := range manifests {
+		fmt.Printf("Verifying: %s (%d chunks)\n", m.ID, m.ChunkCount)
+
+		var missing, corrupt int
+		seenHashes := make(map[string]bool)
+
+		for i, ref := range m.Chunks {
+			if seenHashes[ref.Hash] {
+				continue // Already verified this chunk
+			}
+			seenHashes[ref.Hash] = true
+			totalChunks++
+
+			// Check if chunk exists
+			if !store.Has(ref.Hash) {
+				missing++
+				missingChunks++
+				if missing <= 5 {
+					fmt.Printf("  [MISSING] chunk %d: %s\n", i, ref.Hash[:16])
+				}
+				continue
+			}
+
+			// Verify chunk hash by reading it
+			chunk, err := store.Get(ref.Hash)
+			if err != nil {
+				corrupt++
+				corruptChunks++
+				if corrupt <= 5 {
+					fmt.Printf("  [CORRUPT] chunk %d: %s - %v\n", i, ref.Hash[:16], err)
+				}
+				continue
+			}
+
+			// Verify size
+			if chunk.Length != ref.Length {
+				corrupt++
+				corruptChunks++
+				if corrupt <= 5 {
+					fmt.Printf("  [SIZE MISMATCH] chunk %d: expected %d, got %d\n", i, ref.Length, chunk.Length)
+				}
+			}
+		}
+
+		if missing > 0 || corrupt > 0 {
+			allOK = false
+			fmt.Printf("  Result: FAILED (%d missing, %d corrupt)\n", missing, corrupt)
+			if missing > 5 || corrupt > 5 {
+				fmt.Printf("  ... and %d more errors\n", (missing+corrupt)-10)
+			}
+		} else {
+			fmt.Printf("  Result: OK (%d unique chunks verified)\n", len(seenHashes))
+			// Update verified timestamp
+			m.VerifiedAt = time.Now()
+			manifestStore.Save(m)
+			index.UpdateManifestVerified(m.ID, m.VerifiedAt)
+		}
+		fmt.Println()
+	}
+
+	fmt.Println("========================================")
+	if allOK {
+		fmt.Printf("All %d backup(s) verified successfully!\n", len(manifests))
+		fmt.Printf("Total unique chunks checked: %d\n", totalChunks)
+	} else {
+		fmt.Printf("Verification FAILED!\n")
+		fmt.Printf("Missing chunks: %d\n", missingChunks)
+		fmt.Printf("Corrupt chunks: %d\n", corruptChunks)
+		return fmt.Errorf("verification failed: %d missing, %d corrupt chunks", missingChunks, corruptChunks)
+	}
+
+	return nil
+}
+
+func runDedupPrune(cmd *cobra.Command, args []string) error {
+	if pruneKeepLast == 0 && pruneKeepDaily == 0 && pruneKeepWeekly == 0 {
+		return fmt.Errorf("at least one of --keep-last, --keep-daily, or --keep-weekly must be specified")
+	}
+
+	basePath := getDedupDir()
+
+	manifestStore, err := dedup.NewManifestStore(basePath)
+	if err != nil {
+		return fmt.Errorf("failed to open manifest store: %w", err)
+	}
+
+	index, err := dedup.NewChunkIndexAt(getIndexDBPath())
+	if err != nil {
+		return fmt.Errorf("failed to open chunk index: %w", err)
+	}
+	defer index.Close()
+
+	manifests, err := manifestStore.ListAll()
+	if err != nil {
+		return fmt.Errorf("failed to list manifests: %w", err)
+	}
+
+	if len(manifests) == 0 {
+		fmt.Println("No backups to prune.")
+		return nil
+	}
+
+	// Group by database name
+	byDatabase := make(map[string][]*dedup.Manifest)
+	for _, m := range manifests {
+		key := m.DatabaseName
+		if key == "" {
+			key = "_default"
+		}
+		byDatabase[key] = append(byDatabase[key], m)
+	}
+
+	var toDelete []*dedup.Manifest
+
+	for dbName, dbManifests := range byDatabase {
+		// Already sorted by time (newest first from ListAll)
+		kept := make(map[string]bool)
+		var keepReasons = make(map[string]string)
+
+		// Keep last N
+		if pruneKeepLast > 0 {
+			for i := 0; i < pruneKeepLast && i < len(dbManifests); i++ {
+				kept[dbManifests[i].ID] = true
+				keepReasons[dbManifests[i].ID] = "keep-last"
+			}
+		}
+
+		// Keep daily (one per day)
+		if pruneKeepDaily > 0 {
+			seenDays := make(map[string]bool)
+			count := 0
+			for _, m := range dbManifests {
+				day := m.CreatedAt.Format("2006-01-02")
+				if !seenDays[day] {
+					seenDays[day] = true
+					if count < pruneKeepDaily {
+						kept[m.ID] = true
+						if keepReasons[m.ID] == "" {
+							keepReasons[m.ID] = "keep-daily"
+						}
+						count++
+					}
+				}
+			}
+		}
+
+		// Keep weekly (one per week)
+		if pruneKeepWeekly > 0 {
+			seenWeeks := make(map[string]bool)
+			count := 0
+			for _, m := range dbManifests {
+				year, week := m.CreatedAt.ISOWeek()
+				weekKey := fmt.Sprintf("%d-W%02d", year, week)
+				if !seenWeeks[weekKey] {
+					seenWeeks[weekKey] = true
+					if count < pruneKeepWeekly {
+						kept[m.ID] = true
+						if keepReasons[m.ID] == "" {
+							keepReasons[m.ID] = "keep-weekly"
+						}
+						count++
+					}
+				}
+			}
+		}
+
+		if dbName != "_default" {
+			fmt.Printf("\nDatabase: %s\n", dbName)
+		} else {
+			fmt.Printf("\nUnnamed backups:\n")
+		}
+
+		for _, m := range dbManifests {
+			if kept[m.ID] {
+				fmt.Printf("  [KEEP]   %s (%s) - %s\n", m.ID, m.CreatedAt.Format("2006-01-02"), keepReasons[m.ID])
+			} else {
+				fmt.Printf("  [DELETE] %s (%s)\n", m.ID, m.CreatedAt.Format("2006-01-02"))
+				toDelete = append(toDelete, m)
+			}
+		}
+	}
+
+	if len(toDelete) == 0 {
+		fmt.Printf("\nNo backups to prune (all match retention policy).\n")
+		return nil
+	}
+
+	fmt.Printf("\n%d backup(s) will be deleted.\n", len(toDelete))
+
+	if pruneDryRun {
+		fmt.Println("\n[DRY RUN] No changes made. Remove --dry-run to actually delete.")
+		return nil
+	}
+
+	// Actually delete
+	for _, m := range toDelete {
+		// Decrement chunk references
+		for _, ref := range m.Chunks {
+			index.DecrementRef(ref.Hash)
+		}
+
+		if err := manifestStore.Delete(m.ID); err != nil {
+			log.Warn("Failed to delete manifest", "id", m.ID, "error", err)
+		}
+		index.RemoveManifest(m.ID)
+	}
+
+	fmt.Printf("\nDeleted %d backup(s).\n", len(toDelete))
+	fmt.Println("Run 'dbbackup dedup gc' to reclaim space from unreferenced chunks.")
+
+	return nil
+}
+
+func runDedupBackupDB(cmd *cobra.Command, args []string) error {
+	dbType := strings.ToLower(dedupDBType)
+	dbName := backupDBDatabase
+
+	// Validate db type
+	var dumpCmd string
+	var dumpArgs []string
+
+	switch dbType {
+	case "postgres", "postgresql", "pg":
+		dbType = "postgres"
+		dumpCmd = "pg_dump"
+		dumpArgs = []string{"-Fc"} // Custom format for better compression
+		if dedupDBHost != "" && dedupDBHost != "localhost" {
+			dumpArgs = append(dumpArgs, "-h", dedupDBHost)
+		}
+		if backupDBUser != "" {
+			dumpArgs = append(dumpArgs, "-U", backupDBUser)
+		}
+		dumpArgs = append(dumpArgs, dbName)
+
+	case "mysql":
+		dumpCmd = "mysqldump"
+		dumpArgs = []string{
+			"--single-transaction",
+			"--routines",
+			"--triggers",
+			"--events",
+		}
+		if dedupDBHost != "" {
+			dumpArgs = append(dumpArgs, "-h", dedupDBHost)
+		}
+		if backupDBUser != "" {
+			dumpArgs = append(dumpArgs, "-u", backupDBUser)
+		}
+		if backupDBPassword != "" {
+			dumpArgs = append(dumpArgs, "-p"+backupDBPassword)
+		}
+		dumpArgs = append(dumpArgs, dbName)
+
+	case "mariadb":
+		dumpCmd = "mariadb-dump"
+		// Fall back to mysqldump if mariadb-dump not available
+		if _, err := exec.LookPath(dumpCmd); err != nil {
+			dumpCmd = "mysqldump"
+		}
+		dumpArgs = []string{
+			"--single-transaction",
+			"--routines",
+			"--triggers",
+			"--events",
+		}
+		if dedupDBHost != "" {
+			dumpArgs = append(dumpArgs, "-h", dedupDBHost)
+		}
+		if backupDBUser != "" {
+			dumpArgs = append(dumpArgs, "-u", backupDBUser)
+		}
+		if backupDBPassword != "" {
+			dumpArgs = append(dumpArgs, "-p"+backupDBPassword)
+		}
+		dumpArgs = append(dumpArgs, dbName)
+
+	default:
+		return fmt.Errorf("unsupported database type: %s (use postgres, mysql, or mariadb)", dbType)
+	}
+
+	// Verify dump command exists
+	if _, err := exec.LookPath(dumpCmd); err != nil {
+		return fmt.Errorf("%s not found in PATH: %w", dumpCmd, err)
+	}
+
+	// Setup dedup storage
+	basePath := getDedupDir()
+	encKey := ""
+	if dedupEncrypt {
+		encKey = getEncryptionKey()
+		if encKey == "" {
+			return fmt.Errorf("encryption enabled but no key provided (use --key or DBBACKUP_DEDUP_KEY)")
+		}
+	}
+
+	store, err := dedup.NewChunkStore(dedup.StoreConfig{
+		BasePath:      basePath,
+		Compress:      dedupCompress,
+		EncryptionKey: encKey,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to open chunk store: %w", err)
+	}
+
+	manifestStore, err := dedup.NewManifestStore(basePath)
+	if err != nil {
+		return fmt.Errorf("failed to open manifest store: %w", err)
+	}
+
+	index, err := dedup.NewChunkIndexAt(getIndexDBPath())
+	if err != nil {
+		return fmt.Errorf("failed to open chunk index: %w", err)
+	}
+	defer index.Close()
+
+	// Generate manifest ID
+	now := time.Now()
+	manifestID := now.Format("2006-01-02_150405") + "_" + dbName
+
+	fmt.Printf("Creating deduplicated database backup: %s\n", manifestID)
+	fmt.Printf("Database: %s (%s)\n", dbName, dbType)
+	fmt.Printf("Command: %s %s\n", dumpCmd, strings.Join(dumpArgs, " "))
+	fmt.Printf("Store: %s\n", basePath)
+
+	// Start the dump command
+	dumpExec := exec.Command(dumpCmd, dumpArgs...)
+
+	// Set password via environment for postgres
+	if dbType == "postgres" && backupDBPassword != "" {
+		dumpExec.Env = append(os.Environ(), "PGPASSWORD="+backupDBPassword)
+	}
+
+	stdout, err := dumpExec.StdoutPipe()
+	if err != nil {
+		return fmt.Errorf("failed to get stdout pipe: %w", err)
+	}
+
+	stderr, err := dumpExec.StderrPipe()
+	if err != nil {
+		return fmt.Errorf("failed to get stderr pipe: %w", err)
+	}
+
+	if err := dumpExec.Start(); err != nil {
+		return fmt.Errorf("failed to start %s: %w", dumpCmd, err)
+	}
+
+	// Hash while chunking using TeeReader
+	h := sha256.New()
+	reader := io.TeeReader(stdout, h)
+
+	// Chunk the stream directly
+	chunker := dedup.NewChunker(reader, dedup.DefaultChunkerConfig())
+	var chunks []dedup.ChunkRef
+	var totalSize, storedSize int64
+	var chunkCount, newChunks int
+
+	startTime := time.Now()
+
+	for {
+		chunk, err := chunker.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return fmt.Errorf("chunking failed: %w", err)
+		}
+
+		chunkCount++
+		totalSize += int64(chunk.Length)
+
+		// Store chunk (deduplication happens here)
+		isNew, err := store.Put(chunk)
+		if err != nil {
+			return fmt.Errorf("failed to store chunk: %w", err)
+		}
+
+		if isNew {
+			newChunks++
+			storedSize += int64(chunk.Length)
+			index.AddChunk(chunk.Hash, chunk.Length, chunk.Length)
+		}
+
+		chunks = append(chunks, dedup.ChunkRef{
+			Hash:   chunk.Hash,
+			Offset: chunk.Offset,
+			Length: chunk.Length,
+		})
+
+		if chunkCount%1000 == 0 {
+			fmt.Printf("\r  Processed %d chunks, %d new, %s...", chunkCount, newChunks, formatBytes(totalSize))
+		}
+	}
+
+	// Read any stderr
+	stderrBytes, _ := io.ReadAll(stderr)
+
+	// Wait for command to complete
+	if err := dumpExec.Wait(); err != nil {
+		return fmt.Errorf("%s failed: %w\nstderr: %s", dumpCmd, err, string(stderrBytes))
+	}
+
+	duration := time.Since(startTime)
+	fileHash := hex.EncodeToString(h.Sum(nil))
+
+	// Calculate dedup ratio
+	dedupRatio := 0.0
+	if totalSize > 0 {
+		dedupRatio = 1.0 - float64(storedSize)/float64(totalSize)
+	}
+
+	// Create manifest
+	manifest := &dedup.Manifest{
+		ID:           manifestID,
+		Name:         dedupName,
+		CreatedAt:    now,
+		DatabaseType: dbType,
+		DatabaseName: dbName,
+		DatabaseHost: dedupDBHost,
+		Chunks:       chunks,
+		OriginalSize: totalSize,
+		StoredSize:   storedSize,
+		ChunkCount:   chunkCount,
+		NewChunks:    newChunks,
+		DedupRatio:   dedupRatio,
+		Encrypted:    dedupEncrypt,
+		Compressed:   dedupCompress,
+		SHA256:       fileHash,
+	}
+
+	if err := manifestStore.Save(manifest); err != nil {
+		return fmt.Errorf("failed to save manifest: %w", err)
+	}
+
+	if err := index.AddManifest(manifest); err != nil {
+		log.Warn("Failed to index manifest", "error", err)
+	}
+
+	fmt.Printf("\r                                                    \r")
+	fmt.Printf("\nBackup complete!\n")
+	fmt.Printf("  Manifest:    %s\n", manifestID)
+	fmt.Printf("  Chunks:      %d total, %d new\n", chunkCount, newChunks)
+	fmt.Printf("  Dump size:   %s\n", formatBytes(totalSize))
+	fmt.Printf("  Stored:      %s (new data)\n", formatBytes(storedSize))
+	fmt.Printf("  Dedup ratio: %.1f%%\n", dedupRatio*100)
+	fmt.Printf("  Duration:    %s\n", duration.Round(time.Millisecond))
+	fmt.Printf("  Throughput:  %s/s\n", formatBytes(int64(float64(totalSize)/duration.Seconds())))
+
+	return nil
+}
+
+func runDedupMetrics(cmd *cobra.Command, args []string) error {
+	basePath := getDedupDir()
+	indexPath := getIndexDBPath()
+
+	instance := dedupMetricsInstance
+	if instance == "" {
+		hostname, _ := os.Hostname()
+		instance = hostname
+	}
+
+	metrics, err := dedup.CollectMetrics(basePath, indexPath)
+	if err != nil {
+		return fmt.Errorf("failed to collect metrics: %w", err)
+	}
+
+	output := dedup.FormatPrometheusMetrics(metrics, instance)
+
+	if dedupMetricsOutput != "" {
+		if err := dedup.WritePrometheusTextfile(dedupMetricsOutput, instance, basePath, indexPath); err != nil {
+			return fmt.Errorf("failed to write metrics: %w", err)
+		}
+		fmt.Printf("Wrote metrics to %s\n", dedupMetricsOutput)
+	} else {
+		fmt.Print(output)
+	}
+
+	return nil
+}

go.mod

@@ -5,15 +5,27 @@ go 1.24.0
 toolchain go1.24.9
 
 require (
-	github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2
+	cloud.google.com/go/storage v1.57.2
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0
+	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3
+	github.com/aws/aws-sdk-go-v2 v1.40.0
+	github.com/aws/aws-sdk-go-v2/config v1.32.2
+	github.com/aws/aws-sdk-go-v2/credentials v1.19.2
+	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.20.12
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.92.1
 	github.com/charmbracelet/bubbles v0.21.0
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
+	github.com/dustin/go-humanize v1.0.1
 	github.com/go-sql-driver/mysql v1.9.3
 	github.com/jackc/pgx/v5 v5.7.6
+	github.com/mattn/go-sqlite3 v1.14.32
+	github.com/shirou/gopsutil/v3 v3.24.5
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.10.1
 	github.com/spf13/pflag v1.0.9
+	golang.org/x/crypto v0.43.0
+	google.golang.org/api v0.256.0
 )
 
 require (
@@ -24,20 +36,13 @@ require (
 	cloud.google.com/go/compute/metadata v0.9.0 // indirect
 	cloud.google.com/go/iam v1.5.2 // indirect
 	cloud.google.com/go/monitoring v1.24.2 // indirect
-	cloud.google.com/go/storage v1.57.2 // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0 // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.2 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.29.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.53.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.53.0 // indirect
-	github.com/aws/aws-sdk-go-v2 v1.40.0 // indirect
 	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.3 // indirect
-	github.com/aws/aws-sdk-go-v2/config v1.32.2 // indirect
-	github.com/aws/aws-sdk-go-v2/credentials v1.19.2 // indirect
 	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.14 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.20.12 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.14 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.14 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.4 // indirect
@@ -46,7 +51,6 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.5 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.14 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.14 // indirect
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.92.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/signin v1.0.2 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sso v1.30.5 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.10 // indirect
@@ -59,7 +63,6 @@ require (
 	github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
 	github.com/cncf/xds/go v0.0.0-20250501225837-2ac532fd4443 // indirect
-	github.com/creack/pty v1.1.17 // indirect
 	github.com/envoyproxy/go-control-plane/envoy v1.32.4 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.2.1 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
@@ -67,26 +70,35 @@ require (
 	github.com/go-jose/go-jose/v4 v4.1.2 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/google/s2a-go v0.1.9 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.7 // indirect
 	github.com/googleapis/gax-go/v2 v2.15.0 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-localereader v0.0.1 // indirect
 	github.com/mattn/go-runewidth v0.0.16 // indirect
-	github.com/mattn/go-sqlite3 v1.14.32 // indirect
+	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
 	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
+	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/schollz/progressbar/v3 v3.19.0 // indirect
 	github.com/spiffe/go-spiffe/v2 v2.5.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	github.com/zeebo/errs v1.4.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/detectors/gcp v1.36.0 // indirect
@@ -97,14 +109,13 @@ require (
 	go.opentelemetry.io/otel/sdk v1.37.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.37.0 // indirect
 	go.opentelemetry.io/otel/trace v1.37.0 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
 	golang.org/x/net v0.46.0 // indirect
 	golang.org/x/oauth2 v0.33.0 // indirect
 	golang.org/x/sync v0.18.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/term v0.36.0 // indirect
 	golang.org/x/text v0.30.0 // indirect
 	golang.org/x/time v0.14.0 // indirect
-	google.golang.org/api v0.256.0 // indirect
 	google.golang.org/genproto v0.0.0-20250603155806-513f23925822 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20250818200422-3122310a409c // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251103181224-f26f9409b101 // indirect

go.sum

@@ -10,36 +10,44 @@ cloud.google.com/go/compute/metadata v0.9.0 h1:pDUj4QMoPejqq20dK0Pg2N4yG9zIkYGdB
 cloud.google.com/go/compute/metadata v0.9.0/go.mod h1:E0bWwX5wTnLPedCKqk3pJmVgCBSM6qQI1yTBdEb3C10=
 cloud.google.com/go/iam v1.5.2 h1:qgFRAGEmd8z6dJ/qyEchAuL9jpswyODjA2lS+w234g8=
 cloud.google.com/go/iam v1.5.2/go.mod h1:SE1vg0N81zQqLzQEwxL2WI6yhetBdbNQuTvIKCSkUHE=
+cloud.google.com/go/logging v1.13.0 h1:7j0HgAp0B94o1YRDqiqm26w4q1rDMH7XNRU34lJXHYc=
+cloud.google.com/go/logging v1.13.0/go.mod h1:36CoKh6KA/M0PbhPKMq6/qety2DCAErbhXT62TuXALA=
+cloud.google.com/go/longrunning v0.7.0 h1:FV0+SYF1RIj59gyoWDRi45GiYUMM3K1qO51qoboQT1E=
+cloud.google.com/go/longrunning v0.7.0/go.mod h1:ySn2yXmjbK9Ba0zsQqunhDkYi0+9rlXIwnoAf+h+TPY=
 cloud.google.com/go/monitoring v1.24.2 h1:5OTsoJ1dXYIiMiuL+sYscLc9BumrL3CarVLL7dd7lHM=
 cloud.google.com/go/monitoring v1.24.2/go.mod h1:x7yzPWcgDRnPEv3sI+jJGBkwl5qINf+6qY4eq0I9B4U=
 cloud.google.com/go/storage v1.57.2 h1:sVlym3cHGYhrp6XZKkKb+92I1V42ks2qKKpB0CF5Mb4=
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@@ -62,24 +70,14 @@ github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.14 h1:FIouAnCE
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@@ -105,13 +103,18 @@ github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNE
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@@ -135,6 +149,10 @@ github.com/googleapis/enterprise-certificate-proxy v0.3.7 h1:zrn2Ee/nWmHulBx5sAV
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@@ -145,8 +163,12 @@ github.com/jackc/pgx/v5 v5.7.6 h1:rWQc5FwZSPX58r1OQmkuaNicxdmExaEz5A2DO2hUuTk=
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 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
@@ -155,20 +177,31 @@ github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6T
 github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mattn/go-sqlite3 v1.14.32 h1:JD12Ag3oLy1zQA+BNn74xRgaBbdhbNIDYvQUEuuErjs=
 github.com/mattn/go-sqlite3 v1.14.32/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db h1:62I3jR2EmQ4l5rM/4FEfDWcRD+abF5XlKShorW5LRoQ=
+github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db/go.mod h1:l0dey0ia/Uv7NcFFVbCLtqEBQbrT4OCwCSKTEv6enCw=
 github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
 github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
 github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
 github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
 github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
 github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c/go.mod h1:7rwL4CYBLnjLxUqIJNnCWiEdr3bn6IUYi15bNlnbCCU=
 github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 h1:GFCKgmp0tecUJ0sJuv4pzYCqS9+RGSn52M3FUwPs+uo=
 github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10/go.mod h1:t/avpk3KcrXxUnYOhZhMXJlSEyie6gQbtLq5NM3loB8=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c h1:ncq/mPwQF4JjgDlrVEn3C11VoGHZN7m8qihwgMEtzYw=
+github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/schollz/progressbar/v3 v3.19.0 h1:Ea18xuIRQXLAUidVDox3AbwfUhD0/1IvohyTutOIFoc=
+github.com/schollz/progressbar/v3 v3.19.0/go.mod h1:IsO3lpbaGuzh8zIMzgY3+J8l4C8GjO0Y9S69eFvNsec=
+github.com/shirou/gopsutil/v3 v3.24.5 h1:i0t8kL+kQTvpAYToeuiVk3TgDeKOFioZO3Ztz/iZ9pI=
+github.com/shirou/gopsutil/v3 v3.24.5/go.mod h1:bsoOS1aStSs9ErQ1WWfxllSeS1K5D+U30r2NfcubMVk=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/spf13/cobra v1.10.1 h1:lJeBwCfmrnXthfAupyUTzJ/J4Nc1RsHC/mSRU2dll/s=
@@ -179,13 +212,17 @@ github.com/spiffe/go-spiffe/v2 v2.5.0 h1:N2I01KCUkv1FAjZXJMwh95KK1ZIQLYbPfhaxw8W
 github.com/spiffe/go-spiffe/v2 v2.5.0/go.mod h1:P+NxobPc6wXhVtINNtFjNWGBTreew1GBUCwT2wPmb7g=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
-github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+github.com/tklauser/go-sysconf v0.3.12 h1:0QaGUFOdQaIVdPgfITYzaTegZvdCjmYO52cSFAEVmqU=
+github.com/tklauser/go-sysconf v0.3.12/go.mod h1:Ho14jnntGE1fpdOqQEEaiKRpvIavV0hSfmBq8nJbHYI=
+github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+Fk=
+github.com/tklauser/numcpus v0.6.1/go.mod h1:1XfjsgE2zo8GVw7POkMbHENHzVg3GzmoZ9fESEdAacY=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
+github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
+github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 github.com/zeebo/errs v1.4.0 h1:XNdoD/RRMKP7HD0UhJnIzUy74ISdGGxURlYG8HSWSfM=
 github.com/zeebo/errs v1.4.0/go.mod h1:sgbWHsvVuTPHcqJJGQ1WhI5KbWlHYz+2+2C/LSEtCw4=
 go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
@@ -198,6 +235,8 @@ go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 h1:F7Jx+6h
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0/go.mod h1:UHB22Z8QsdRDrnAtX4PntOl36ajSxcdUMt1sF7Y6E7Q=
 go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
 go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.36.0 h1:rixTyDGXFxRy1xzhKrotaHy3/KXdPhlWARrCgK+eqUY=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.36.0/go.mod h1:dowW6UsM9MKbJq5JTz2AMVp3/5iW5I/TStsk8S+CfHw=
 go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
 go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
 go.opentelemetry.io/otel/sdk v1.37.0 h1:ItB0QUqnjesGRvNcmAcU0LyvkVyGJ2xftD29bWdDvKI=
@@ -206,43 +245,34 @@ go.opentelemetry.io/otel/sdk/metric v1.37.0 h1:90lI228XrB9jCMuSdA0673aubgRobVZFh
 go.opentelemetry.io/otel/sdk/metric v1.37.0/go.mod h1:cNen4ZWfiD37l5NhS+Keb5RXVWZWpRE+9WyVCpbo5ps=
 go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
 go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
-golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
-golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
-golang.org/x/crypto v0.41.0 h1:WKYxWedPGCTVVl5+WHSSrOBT0O8lx32+zxmHxijgXp4=
-golang.org/x/crypto v0.41.0/go.mod h1:pO5AFd7FA68rFak7rOAGVuygIISepHftHnr8dr6+sUc=
 golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
 golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
 golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561 h1:MDc5xs78ZrZr3HMQugiXOAkSZtfTpbJLDr/lwfgO53E=
 golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
-golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
-golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
 golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
 golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210=
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-golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
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grafana/dbbackup-dashboard.json

@@ -0,0 +1,1303 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "grafana",
+          "uid": "-- Grafana --"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "id": null,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "mappings": [
+            {
+              "options": {
+                "0": {
+                  "color": "red",
+                  "index": 1,
+                  "text": "FAILED"
+                },
+                "1": {
+                  "color": "green",
+                  "index": 0,
+                  "text": "SUCCESS"
+                }
+              },
+              "type": "value"
+            }
+          ],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "red",
+                "value": null
+              },
+              {
+                "color": "green",
+                "value": 1
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 4,
+        "w": 6,
+        "x": 0,
+        "y": 0
+      },
+      "id": 1,
+      "options": {
+        "colorMode": "background",
+        "graphMode": "none",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "textMode": "auto"
+      },
+      "pluginVersion": "10.2.0",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "expr": "dbbackup_rpo_seconds{instance=~\"$instance\"} < 86400",
+          "legendFormat": "{{database}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
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+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "expr": "dbbackup_dedup_chunks_total{instance=~\"$instance\"}",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Total Chunks",
+      "type": "stat"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 10,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              }
+            ]
+          },
+          "unit": "percentunit"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 36
+      },
+      "id": 105,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "10.2.0",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "expr": "dbbackup_dedup_database_ratio{instance=~\"$instance\"}",
+          "legendFormat": "{{database}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Dedup Ratio by Database",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 10,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              }
+            ]
+          },
+          "unit": "bytes"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 36
+      },
+      "id": 106,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "10.2.0",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "expr": "dbbackup_dedup_space_saved_bytes{instance=~\"$instance\"}",
+          "legendFormat": "Space Saved",
+          "range": true,
+          "refId": "A"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "expr": "dbbackup_dedup_disk_usage_bytes{instance=~\"$instance\"}",
+          "legendFormat": "Disk Usage",
+          "range": true,
+          "refId": "B"
+        }
+      ],
+      "title": "Dedup Storage Over Time",
+      "type": "timeseries"
+    }
+  ],
+  "refresh": "30s",
+  "schemaVersion": 38,
+  "tags": [
+    "dbbackup",
+    "backup",
+    "database",
+    "dedup"
+  ],
+  "templating": {
+    "list": [
+      {
+        "current": {
+          "selected": false,
+          "text": "All",
+          "value": "$__all"
+        },
+        "datasource": {
+          "type": "prometheus",
+          "uid": "${DS_PROMETHEUS}"
+        },
+        "definition": "label_values(dbbackup_rpo_seconds, instance)",
+        "hide": 0,
+        "includeAll": true,
+        "label": "Instance",
+        "multi": true,
+        "name": "instance",
+        "options": [],
+        "query": {
+          "query": "label_values(dbbackup_rpo_seconds, instance)",
+          "refId": "StandardVariableQuery"
+        },
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 1,
+        "type": "query"
+      },
+      {
+        "hide": 2,
+        "name": "DS_PROMETHEUS",
+        "query": "prometheus",
+        "skipUrlSync": false,
+        "type": "datasource"
+      }
+    ]
+  },
+  "time": {
+    "from": "now-24h",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "DBBackup Overview",
+  "uid": "dbbackup-overview",
+  "version": 1,
+  "weekStart": ""
+}

internal/backup/engine.go

@@ -1242,23 +1242,29 @@ func (e *Engine) uploadToCloud(ctx context.Context, backupFile string, tracker *
 	filename := filepath.Base(backupFile)
 	e.log.Info("Uploading backup to cloud", "file", filename, "size", cloud.FormatSize(info.Size()))
 
-	// Progress callback
-	var lastPercent int
+	// Create schollz progressbar for visual upload progress
+	bar := progress.NewSchollzBar(info.Size(), fmt.Sprintf("Uploading %s", filename))
+
+	// Progress callback with schollz progressbar
+	var lastBytes int64
 	progressCallback := func(transferred, total int64) {
-		percent := int(float64(transferred) / float64(total) * 100)
-		if percent != lastPercent && percent%10 == 0 {
-			e.log.Debug("Upload progress", "percent", percent, "transferred", cloud.FormatSize(transferred), "total", cloud.FormatSize(total))
-			lastPercent = percent
+		delta := transferred - lastBytes
+		if delta > 0 {
+			_ = bar.Add64(delta)
 		}
+		lastBytes = transferred
 	}
 
 	// Upload to cloud
 	err = backend.Upload(ctx, backupFile, filename, progressCallback)
 	if err != nil {
+		bar.Fail("Upload failed")
 		uploadStep.Fail(fmt.Errorf("cloud upload failed: %w", err))
 		return err
 	}
 
+	_ = bar.Finish()
+
 	// Also upload metadata file
 	metaFile := backupFile + ".meta.json"
 	if _, err := os.Stat(metaFile); err == nil {

internal/checks/error_hints.go

@@ -68,8 +68,8 @@ func ClassifyError(errorMsg string) *ErrorClassification {
 			Type:     "critical",
 			Category: "locks",
 			Message:  errorMsg,
-			Hint:     "Lock table exhausted - typically caused by large objects in parallel restore",
-			Action:   "Increase max_locks_per_transaction in postgresql.conf to 512 or higher",
+			Hint:     "Lock table exhausted - typically caused by large objects (BLOBs) during restore",
+			Action:   "Option 1: Increase max_locks_per_transaction to 1024+ in postgresql.conf (requires restart). Option 2: Update dbbackup and retry - phased restore now auto-enabled for BLOB databases",
 			Severity: 2,
 		}
 	case "permission_denied":
@@ -142,8 +142,8 @@ func ClassifyError(errorMsg string) *ErrorClassification {
 			Type:     "critical",
 			Category: "locks",
 			Message:  errorMsg,
-			Hint:     "Lock table exhausted - typically caused by large objects in parallel restore",
-			Action:   "Increase max_locks_per_transaction in postgresql.conf to 512 or higher",
+			Hint:     "Lock table exhausted - typically caused by large objects (BLOBs) during restore",
+			Action:   "Option 1: Increase max_locks_per_transaction to 1024+ in postgresql.conf (requires restart). Option 2: Update dbbackup and retry - phased restore now auto-enabled for BLOB databases",
 			Severity: 2,
 		}
 	}

internal/dedup/index.go

@@ -3,7 +3,9 @@ package dedup
 import (
 	"database/sql"
 	"fmt"
+	"os"
 	"path/filepath"
+	"strings"
 	"time"
 
 	_ "github.com/mattn/go-sqlite3" // SQLite driver
@@ -12,26 +14,66 @@ import (
 // ChunkIndex provides fast chunk lookups using SQLite
 type ChunkIndex struct {
 	db     *sql.DB
+	dbPath string
 }
 
-// NewChunkIndex opens or creates a chunk index database
+// NewChunkIndex opens or creates a chunk index database at the default location
 func NewChunkIndex(basePath string) (*ChunkIndex, error) {
 	dbPath := filepath.Join(basePath, "chunks.db")
+	return NewChunkIndexAt(dbPath)
+}
 
-	db, err := sql.Open("sqlite3", dbPath+"?_journal_mode=WAL&_synchronous=NORMAL")
+// NewChunkIndexAt opens or creates a chunk index database at a specific path
+// Use this to put the SQLite index on local storage when chunks are on NFS/CIFS
+func NewChunkIndexAt(dbPath string) (*ChunkIndex, error) {
+	// Ensure parent directory exists
+	if err := os.MkdirAll(filepath.Dir(dbPath), 0700); err != nil {
+		return nil, fmt.Errorf("failed to create index directory: %w", err)
+	}
+
+	// Add busy_timeout to handle lock contention gracefully
+	db, err := sql.Open("sqlite3", dbPath+"?_journal_mode=WAL&_synchronous=NORMAL&_busy_timeout=5000")
 	if err != nil {
 		return nil, fmt.Errorf("failed to open chunk index: %w", err)
 	}
 
-	idx := &ChunkIndex{db: db}
+	// Test the connection and check for locking issues
+	if err := db.Ping(); err != nil {
+		db.Close()
+		if isNFSLockingError(err) {
+			return nil, fmt.Errorf("database locked (common on NFS/CIFS): %w\n\n"+
+				"HINT: Use --index-db to put the SQLite index on local storage:\n"+
+				"  dbbackup dedup ... --index-db /var/lib/dbbackup/dedup-index.db", err)
+		}
+		return nil, fmt.Errorf("failed to connect to chunk index: %w", err)
+	}
+
+	idx := &ChunkIndex{db: db, dbPath: dbPath}
 	if err := idx.migrate(); err != nil {
 		db.Close()
+		if isNFSLockingError(err) {
+			return nil, fmt.Errorf("database locked during migration (common on NFS/CIFS): %w\n\n"+
+				"HINT: Use --index-db to put the SQLite index on local storage:\n"+
+				"  dbbackup dedup ... --index-db /var/lib/dbbackup/dedup-index.db", err)
+		}
 		return nil, err
 	}
 
 	return idx, nil
 }
 
+// isNFSLockingError checks if an error is likely due to NFS/CIFS locking issues
+func isNFSLockingError(err error) bool {
+	if err == nil {
+		return false
+	}
+	errStr := err.Error()
+	return strings.Contains(errStr, "database is locked") ||
+		strings.Contains(errStr, "SQLITE_BUSY") ||
+		strings.Contains(errStr, "cannot lock") ||
+		strings.Contains(errStr, "lock protocol")
+}
+
 // migrate creates the schema if needed
 func (idx *ChunkIndex) migrate() error {
 	schema := `
@@ -166,15 +208,26 @@ func (idx *ChunkIndex) RemoveManifest(id string) error {
 	return err
 }
 
+// UpdateManifestVerified updates the verified timestamp for a manifest
+func (idx *ChunkIndex) UpdateManifestVerified(id string, verifiedAt time.Time) error {
+	_, err := idx.db.Exec("UPDATE manifests SET verified_at = ? WHERE id = ?", verifiedAt, id)
+	return err
+}
+
 // IndexStats holds statistics about the dedup index
 type IndexStats struct {
 	TotalChunks     int64
 	TotalManifests  int64
-	TotalSizeRaw    int64 // Uncompressed, undeduplicated
-	TotalSizeStored int64 // On-disk after dedup+compression
-	DedupRatio      float64
+	TotalSizeRaw    int64   // Uncompressed, undeduplicated (per-chunk)
+	TotalSizeStored int64   // On-disk after dedup+compression (per-chunk)
+	DedupRatio      float64 // Based on manifests (real dedup ratio)
 	OldestChunk     time.Time
 	NewestChunk     time.Time
+
+	// Manifest-based stats (accurate dedup calculation)
+	TotalBackupSize int64 // Sum of all backup original sizes
+	TotalNewData    int64 // Sum of all new chunks stored
+	SpaceSaved      int64 // Difference = what dedup saved
 }
 
 // Stats returns statistics about the index
@@ -206,8 +259,22 @@ func (idx *ChunkIndex) Stats() (*IndexStats, error) {
 
 	idx.db.QueryRow("SELECT COUNT(*) FROM manifests").Scan(&stats.TotalManifests)
 
-	if stats.TotalSizeRaw > 0 {
-		stats.DedupRatio = 1.0 - float64(stats.TotalSizeStored)/float64(stats.TotalSizeRaw)
+	// Calculate accurate dedup ratio from manifests
+	// Sum all backup original sizes and all new data stored
+	err = idx.db.QueryRow(`
+		SELECT 
+			COALESCE(SUM(original_size), 0),
+			COALESCE(SUM(stored_size), 0)
+		FROM manifests
+	`).Scan(&stats.TotalBackupSize, &stats.TotalNewData)
+	if err != nil {
+		return nil, err
+	}
+
+	// Calculate real dedup ratio: how much data was deduplicated across all backups
+	if stats.TotalBackupSize > 0 {
+		stats.DedupRatio = 1.0 - float64(stats.TotalNewData)/float64(stats.TotalBackupSize)
+		stats.SpaceSaved = stats.TotalBackupSize - stats.TotalNewData
 	}
 
 	return stats, nil

internal/dedup/manifest.go

@@ -38,6 +38,7 @@ type Manifest struct {
 	// Encryption and compression settings used
 	Encrypted    bool `json:"encrypted"`
 	Compressed   bool `json:"compressed"`
+	Decompressed bool `json:"decompressed,omitempty"` // Input was auto-decompressed before chunking
 
 	// Verification
 	SHA256     string    `json:"sha256"`              // Hash of reconstructed file

internal/dedup/metrics.go

@@ -0,0 +1,235 @@
+package dedup
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+// DedupMetrics holds deduplication statistics for Prometheus
+type DedupMetrics struct {
+	// Global stats
+	TotalChunks     int64
+	TotalManifests  int64
+	TotalBackupSize int64   // Sum of all backup original sizes
+	TotalNewData    int64   // Sum of all new chunks stored
+	SpaceSaved      int64   // Bytes saved by deduplication
+	DedupRatio      float64 // Overall dedup ratio (0-1)
+	DiskUsage       int64   // Actual bytes on disk
+
+	// Per-database stats
+	ByDatabase map[string]*DatabaseDedupMetrics
+}
+
+// DatabaseDedupMetrics holds per-database dedup stats
+type DatabaseDedupMetrics struct {
+	Database       string
+	BackupCount    int
+	TotalSize      int64
+	StoredSize     int64
+	DedupRatio     float64
+	LastBackupTime time.Time
+	LastVerified   time.Time
+}
+
+// CollectMetrics gathers dedup statistics from the index and store
+func CollectMetrics(basePath string, indexPath string) (*DedupMetrics, error) {
+	var idx *ChunkIndex
+	var err error
+
+	if indexPath != "" {
+		idx, err = NewChunkIndexAt(indexPath)
+	} else {
+		idx, err = NewChunkIndex(basePath)
+	}
+	if err != nil {
+		return nil, fmt.Errorf("failed to open chunk index: %w", err)
+	}
+	defer idx.Close()
+
+	store, err := NewChunkStore(StoreConfig{BasePath: basePath})
+	if err != nil {
+		return nil, fmt.Errorf("failed to open chunk store: %w", err)
+	}
+
+	// Get index stats
+	stats, err := idx.Stats()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get index stats: %w", err)
+	}
+
+	// Get store stats
+	storeStats, err := store.Stats()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get store stats: %w", err)
+	}
+
+	metrics := &DedupMetrics{
+		TotalChunks:     stats.TotalChunks,
+		TotalManifests:  stats.TotalManifests,
+		TotalBackupSize: stats.TotalBackupSize,
+		TotalNewData:    stats.TotalNewData,
+		SpaceSaved:      stats.SpaceSaved,
+		DedupRatio:      stats.DedupRatio,
+		DiskUsage:       storeStats.TotalSize,
+		ByDatabase:      make(map[string]*DatabaseDedupMetrics),
+	}
+
+	// Collect per-database metrics from manifest store
+	manifestStore, err := NewManifestStore(basePath)
+	if err != nil {
+		return metrics, nil // Return partial metrics
+	}
+
+	manifests, err := manifestStore.ListAll()
+	if err != nil {
+		return metrics, nil // Return partial metrics
+	}
+
+	for _, m := range manifests {
+		dbKey := m.DatabaseName
+		if dbKey == "" {
+			dbKey = "_default"
+		}
+
+		dbMetrics, ok := metrics.ByDatabase[dbKey]
+		if !ok {
+			dbMetrics = &DatabaseDedupMetrics{
+				Database: dbKey,
+			}
+			metrics.ByDatabase[dbKey] = dbMetrics
+		}
+
+		dbMetrics.BackupCount++
+		dbMetrics.TotalSize += m.OriginalSize
+		dbMetrics.StoredSize += m.StoredSize
+
+		if m.CreatedAt.After(dbMetrics.LastBackupTime) {
+			dbMetrics.LastBackupTime = m.CreatedAt
+		}
+		if !m.VerifiedAt.IsZero() && m.VerifiedAt.After(dbMetrics.LastVerified) {
+			dbMetrics.LastVerified = m.VerifiedAt
+		}
+	}
+
+	// Calculate per-database dedup ratios
+	for _, dbMetrics := range metrics.ByDatabase {
+		if dbMetrics.TotalSize > 0 {
+			dbMetrics.DedupRatio = 1.0 - float64(dbMetrics.StoredSize)/float64(dbMetrics.TotalSize)
+		}
+	}
+
+	return metrics, nil
+}
+
+// WritePrometheusTextfile writes dedup metrics in Prometheus format
+func WritePrometheusTextfile(path string, instance string, basePath string, indexPath string) error {
+	metrics, err := CollectMetrics(basePath, indexPath)
+	if err != nil {
+		return err
+	}
+
+	output := FormatPrometheusMetrics(metrics, instance)
+
+	// Atomic write
+	dir := filepath.Dir(path)
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		return fmt.Errorf("failed to create directory: %w", err)
+	}
+
+	tmpPath := path + ".tmp"
+	if err := os.WriteFile(tmpPath, []byte(output), 0644); err != nil {
+		return fmt.Errorf("failed to write temp file: %w", err)
+	}
+
+	if err := os.Rename(tmpPath, path); err != nil {
+		os.Remove(tmpPath)
+		return fmt.Errorf("failed to rename temp file: %w", err)
+	}
+
+	return nil
+}
+
+// FormatPrometheusMetrics formats dedup metrics in Prometheus exposition format
+func FormatPrometheusMetrics(m *DedupMetrics, instance string) string {
+	var b strings.Builder
+	now := time.Now().Unix()
+
+	b.WriteString("# DBBackup Deduplication Prometheus Metrics\n")
+	b.WriteString(fmt.Sprintf("# Generated at: %s\n", time.Now().Format(time.RFC3339)))
+	b.WriteString(fmt.Sprintf("# Instance: %s\n", instance))
+	b.WriteString("\n")
+
+	// Global dedup metrics
+	b.WriteString("# HELP dbbackup_dedup_chunks_total Total number of unique chunks stored\n")
+	b.WriteString("# TYPE dbbackup_dedup_chunks_total gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_chunks_total{instance=%q} %d\n", instance, m.TotalChunks))
+	b.WriteString("\n")
+
+	b.WriteString("# HELP dbbackup_dedup_manifests_total Total number of deduplicated backups\n")
+	b.WriteString("# TYPE dbbackup_dedup_manifests_total gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_manifests_total{instance=%q} %d\n", instance, m.TotalManifests))
+	b.WriteString("\n")
+
+	b.WriteString("# HELP dbbackup_dedup_backup_bytes_total Total logical size of all backups in bytes\n")
+	b.WriteString("# TYPE dbbackup_dedup_backup_bytes_total gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_backup_bytes_total{instance=%q} %d\n", instance, m.TotalBackupSize))
+	b.WriteString("\n")
+
+	b.WriteString("# HELP dbbackup_dedup_stored_bytes_total Total unique data stored in bytes (after dedup)\n")
+	b.WriteString("# TYPE dbbackup_dedup_stored_bytes_total gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_stored_bytes_total{instance=%q} %d\n", instance, m.TotalNewData))
+	b.WriteString("\n")
+
+	b.WriteString("# HELP dbbackup_dedup_space_saved_bytes Bytes saved by deduplication\n")
+	b.WriteString("# TYPE dbbackup_dedup_space_saved_bytes gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_space_saved_bytes{instance=%q} %d\n", instance, m.SpaceSaved))
+	b.WriteString("\n")
+
+	b.WriteString("# HELP dbbackup_dedup_ratio Deduplication ratio (0-1, higher is better)\n")
+	b.WriteString("# TYPE dbbackup_dedup_ratio gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_ratio{instance=%q} %.4f\n", instance, m.DedupRatio))
+	b.WriteString("\n")
+
+	b.WriteString("# HELP dbbackup_dedup_disk_usage_bytes Actual disk usage of chunk store\n")
+	b.WriteString("# TYPE dbbackup_dedup_disk_usage_bytes gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_disk_usage_bytes{instance=%q} %d\n", instance, m.DiskUsage))
+	b.WriteString("\n")
+
+	// Per-database metrics
+	if len(m.ByDatabase) > 0 {
+		b.WriteString("# HELP dbbackup_dedup_database_backup_count Number of deduplicated backups per database\n")
+		b.WriteString("# TYPE dbbackup_dedup_database_backup_count gauge\n")
+		for _, db := range m.ByDatabase {
+			b.WriteString(fmt.Sprintf("dbbackup_dedup_database_backup_count{instance=%q,database=%q} %d\n",
+				instance, db.Database, db.BackupCount))
+		}
+		b.WriteString("\n")
+
+		b.WriteString("# HELP dbbackup_dedup_database_ratio Deduplication ratio per database (0-1)\n")
+		b.WriteString("# TYPE dbbackup_dedup_database_ratio gauge\n")
+		for _, db := range m.ByDatabase {
+			b.WriteString(fmt.Sprintf("dbbackup_dedup_database_ratio{instance=%q,database=%q} %.4f\n",
+				instance, db.Database, db.DedupRatio))
+		}
+		b.WriteString("\n")
+
+		b.WriteString("# HELP dbbackup_dedup_database_last_backup_timestamp Last backup timestamp per database\n")
+		b.WriteString("# TYPE dbbackup_dedup_database_last_backup_timestamp gauge\n")
+		for _, db := range m.ByDatabase {
+			if !db.LastBackupTime.IsZero() {
+				b.WriteString(fmt.Sprintf("dbbackup_dedup_database_last_backup_timestamp{instance=%q,database=%q} %d\n",
+					instance, db.Database, db.LastBackupTime.Unix()))
+			}
+		}
+		b.WriteString("\n")
+	}
+
+	b.WriteString("# HELP dbbackup_dedup_scrape_timestamp Unix timestamp when dedup metrics were collected\n")
+	b.WriteString("# TYPE dbbackup_dedup_scrape_timestamp gauge\n")
+	b.WriteString(fmt.Sprintf("dbbackup_dedup_scrape_timestamp{instance=%q} %d\n", instance, now))
+
+	return b.String()
+}

internal/installer/templates/dbbackup-cluster.service

@@ -33,8 +33,11 @@ RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
 # Environment
 EnvironmentFile=-/etc/dbbackup/env.d/cluster.conf
 
+# Working directory (config is loaded from .dbbackup.conf here)
+WorkingDirectory=/var/lib/dbbackup
+
 # Execution - cluster backup (all databases)
-ExecStart={{.BinaryPath}} backup cluster --config {{.ConfigPath}}
+ExecStart={{.BinaryPath}} backup cluster --backup-dir {{.BackupDir}}
 TimeoutStartSec={{.TimeoutSeconds}}
 
 # Post-backup metrics export

internal/installer/templates/dbbackup@.service

@@ -33,8 +33,11 @@ RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
 # Environment
 EnvironmentFile=-/etc/dbbackup/env.d/%i.conf
 
+# Working directory (config is loaded from .dbbackup.conf here)
+WorkingDirectory=/var/lib/dbbackup
+
 # Execution
-ExecStart={{.BinaryPath}} backup {{.BackupType}} %i --config {{.ConfigPath}}
+ExecStart={{.BinaryPath}} backup {{.BackupType}} %i --backup-dir {{.BackupDir}}
 TimeoutStartSec={{.TimeoutSeconds}}
 
 # Post-backup metrics export

internal/progress/progress.go

@@ -6,6 +6,8 @@ import (
 	"os"
 	"strings"
 	"time"
+
+	"github.com/schollz/progressbar/v3"
 )
 
 // Indicator represents a progress indicator interface
@@ -440,6 +442,8 @@ func NewIndicator(interactive bool, indicatorType string) Indicator {
 		return NewDots()
 	case "bar":
 		return NewProgressBar(100) // Default to 100 steps
+	case "schollz":
+		return NewSchollzBarItems(100, "Progress")
 	case "line":
 		return NewLineByLine()
 	case "light":
@@ -463,3 +467,159 @@ func (n *NullIndicator) Complete(message string)              {}
 func (n *NullIndicator) Fail(message string)                  {}
 func (n *NullIndicator) Stop()                                {}
 func (n *NullIndicator) SetEstimator(estimator *ETAEstimator) {}
+
+// SchollzBar wraps schollz/progressbar for enhanced progress display
+// Ideal for byte-based operations like archive extraction and file transfers
+type SchollzBar struct {
+	bar       *progressbar.ProgressBar
+	message   string
+	total     int64
+	estimator *ETAEstimator
+}
+
+// NewSchollzBar creates a new schollz progressbar with byte-based progress
+func NewSchollzBar(total int64, description string) *SchollzBar {
+	bar := progressbar.NewOptions64(
+		total,
+		progressbar.OptionEnableColorCodes(true),
+		progressbar.OptionShowBytes(true),
+		progressbar.OptionSetWidth(40),
+		progressbar.OptionSetDescription(description),
+		progressbar.OptionSetTheme(progressbar.Theme{
+			Saucer:        "[green]█[reset]",
+			SaucerHead:    "[green]▌[reset]",
+			SaucerPadding: "░",
+			BarStart:      "[",
+			BarEnd:        "]",
+		}),
+		progressbar.OptionShowCount(),
+		progressbar.OptionSetPredictTime(true),
+		progressbar.OptionFullWidth(),
+		progressbar.OptionClearOnFinish(),
+	)
+	return &SchollzBar{
+		bar:     bar,
+		message: description,
+		total:   total,
+	}
+}
+
+// NewSchollzBarItems creates a progressbar for item counts (not bytes)
+func NewSchollzBarItems(total int, description string) *SchollzBar {
+	bar := progressbar.NewOptions(
+		total,
+		progressbar.OptionEnableColorCodes(true),
+		progressbar.OptionShowCount(),
+		progressbar.OptionSetWidth(40),
+		progressbar.OptionSetDescription(description),
+		progressbar.OptionSetTheme(progressbar.Theme{
+			Saucer:        "[cyan]█[reset]",
+			SaucerHead:    "[cyan]▌[reset]",
+			SaucerPadding: "░",
+			BarStart:      "[",
+			BarEnd:        "]",
+		}),
+		progressbar.OptionSetPredictTime(true),
+		progressbar.OptionFullWidth(),
+		progressbar.OptionClearOnFinish(),
+	)
+	return &SchollzBar{
+		bar:     bar,
+		message: description,
+		total:   int64(total),
+	}
+}
+
+// NewSchollzSpinner creates an indeterminate spinner for unknown-length operations
+func NewSchollzSpinner(description string) *SchollzBar {
+	bar := progressbar.NewOptions(
+		-1, // Indeterminate
+		progressbar.OptionEnableColorCodes(true),
+		progressbar.OptionSetWidth(40),
+		progressbar.OptionSetDescription(description),
+		progressbar.OptionSpinnerType(14), // Braille spinner
+		progressbar.OptionFullWidth(),
+	)
+	return &SchollzBar{
+		bar:     bar,
+		message: description,
+		total:   -1,
+	}
+}
+
+// Start initializes the progress bar (Indicator interface)
+func (s *SchollzBar) Start(message string) {
+	s.message = message
+	s.bar.Describe(message)
+}
+
+// Update updates the description (Indicator interface)
+func (s *SchollzBar) Update(message string) {
+	s.message = message
+	s.bar.Describe(message)
+}
+
+// Add adds bytes/items to the progress
+func (s *SchollzBar) Add(n int) error {
+	return s.bar.Add(n)
+}
+
+// Add64 adds bytes to the progress (for large files)
+func (s *SchollzBar) Add64(n int64) error {
+	return s.bar.Add64(n)
+}
+
+// Set sets the current progress value
+func (s *SchollzBar) Set(n int) error {
+	return s.bar.Set(n)
+}
+
+// Set64 sets the current progress value (for large files)
+func (s *SchollzBar) Set64(n int64) error {
+	return s.bar.Set64(n)
+}
+
+// ChangeMax updates the maximum value
+func (s *SchollzBar) ChangeMax(max int) {
+	s.bar.ChangeMax(max)
+	s.total = int64(max)
+}
+
+// ChangeMax64 updates the maximum value (for large files)
+func (s *SchollzBar) ChangeMax64(max int64) {
+	s.bar.ChangeMax64(max)
+	s.total = max
+}
+
+// Complete finishes with success (Indicator interface)
+func (s *SchollzBar) Complete(message string) {
+	_ = s.bar.Finish()
+	fmt.Printf("\n[green][OK][reset] %s\n", message)
+}
+
+// Fail finishes with failure (Indicator interface)
+func (s *SchollzBar) Fail(message string) {
+	_ = s.bar.Clear()
+	fmt.Printf("\n[red][FAIL][reset] %s\n", message)
+}
+
+// Stop stops the progress bar (Indicator interface)
+func (s *SchollzBar) Stop() {
+	_ = s.bar.Clear()
+}
+
+// SetEstimator is a no-op (schollz has built-in ETA)
+func (s *SchollzBar) SetEstimator(estimator *ETAEstimator) {
+	s.estimator = estimator
+}
+
+// Writer returns an io.Writer that updates progress as data is written
+// Useful for wrapping readers/writers in copy operations
+func (s *SchollzBar) Writer() io.Writer {
+	return s.bar
+}
+
+// Finish marks the progress as complete
+func (s *SchollzBar) Finish() error {
+	return s.bar.Finish()
+}

internal/restore/cloud_download.go

@@ -12,6 +12,7 @@ import (
 	"dbbackup/internal/cloud"
 	"dbbackup/internal/logger"
 	"dbbackup/internal/metadata"
+	"dbbackup/internal/progress"
 )
 
 // CloudDownloader handles downloading backups from cloud storage
@@ -73,25 +74,43 @@ func (d *CloudDownloader) Download(ctx context.Context, remotePath string, opts
 		size = 0 // Continue anyway
 	}
 
-	// Progress callback
-	var lastPercent int
-	progressCallback := func(transferred, total int64) {
-		if total > 0 {
-			percent := int(float64(transferred) / float64(total) * 100)
-			if percent != lastPercent && percent%10 == 0 {
-				d.log.Info("Download progress", "percent", percent, "transferred", cloud.FormatSize(transferred), "total", cloud.FormatSize(total))
-				lastPercent = percent
+	// Create schollz progressbar for visual download progress
+	var bar *progress.SchollzBar
+	if size > 0 {
+		bar = progress.NewSchollzBar(size, fmt.Sprintf("Downloading %s", filename))
+	} else {
+		bar = progress.NewSchollzSpinner(fmt.Sprintf("Downloading %s", filename))
 	}
+
+	// Progress callback with schollz progressbar
+	var lastBytes int64
+	progressCallback := func(transferred, total int64) {
+		if bar != nil {
+			// Update progress bar with delta
+			delta := transferred - lastBytes
+			if delta > 0 {
+				_ = bar.Add64(delta)
+			}
+			lastBytes = transferred
 		}
 	}
 
 	// Download file
 	if err := d.backend.Download(ctx, remotePath, localPath, progressCallback); err != nil {
+		if bar != nil {
+			bar.Fail("Download failed")
+		}
 		// Cleanup on failure
 		os.RemoveAll(tempSubDir)
 		return nil, fmt.Errorf("download failed: %w", err)
 	}
 
+	if bar != nil {
+		_ = bar.Finish()
+	}
+
+	d.log.Info("Download completed", "size", cloud.FormatSize(size))
+
 	result := &DownloadResult{
 		LocalPath:  localPath,
 		RemotePath: remotePath,
@@ -115,7 +134,7 @@ func (d *CloudDownloader) Download(ctx context.Context, remotePath string, opts
 	// Verify checksum if requested
 	if opts.VerifyChecksum {
 		d.log.Info("Verifying checksum...")
-		checksum, err := calculateSHA256(localPath)
+		checksum, err := calculateSHA256WithProgress(localPath)
 		if err != nil {
 			// Cleanup on verification failure
 			os.RemoveAll(tempSubDir)
@@ -186,6 +205,35 @@ func calculateSHA256(filePath string) (string, error) {
 	return hex.EncodeToString(hash.Sum(nil)), nil
 }
 
+// calculateSHA256WithProgress calculates SHA-256 with visual progress bar
+func calculateSHA256WithProgress(filePath string) (string, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return "", err
+	}
+	defer file.Close()
+
+	// Get file size for progress bar
+	stat, err := file.Stat()
+	if err != nil {
+		return "", err
+	}
+
+	bar := progress.NewSchollzBar(stat.Size(), "Verifying checksum")
+	hash := sha256.New()
+
+	// Create a multi-writer to update both hash and progress
+	writer := io.MultiWriter(hash, bar.Writer())
+
+	if _, err := io.Copy(writer, file); err != nil {
+		bar.Fail("Verification failed")
+		return "", err
+	}
+
+	_ = bar.Finish()
+	return hex.EncodeToString(hash.Sum(nil)), nil
+}
+
 // DownloadFromCloudURI is a convenience function to download from a cloud URI
 func DownloadFromCloudURI(ctx context.Context, uri string, opts DownloadOptions) (*DownloadResult, error) {
 	// Parse URI

internal/restore/diagnose.go

@@ -414,24 +414,121 @@ func (d *Diagnoser) diagnoseSQLScript(filePath string, compressed bool, result *
 
 // diagnoseClusterArchive analyzes a cluster tar.gz archive
 func (d *Diagnoser) diagnoseClusterArchive(filePath string, result *DiagnoseResult) {
-	// First verify tar.gz integrity with timeout
-	// 5 minutes for large archives (multi-GB archives need more time)
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
+	// Calculate dynamic timeout based on file size
+	// Large archives (100GB+) can take significant time to list
+	// Minimum 5 minutes, scales with file size, max 180 minutes for very large archives
+	timeoutMinutes := 5
+	if result.FileSize > 0 {
+		// 1 minute per 2 GB, minimum 5 minutes, max 180 minutes
+		sizeGB := result.FileSize / (1024 * 1024 * 1024)
+		estimatedMinutes := int(sizeGB/2) + 5
+		if estimatedMinutes > timeoutMinutes {
+			timeoutMinutes = estimatedMinutes
+		}
+		if timeoutMinutes > 180 {
+			timeoutMinutes = 180
+		}
+	}
+
+	d.log.Info("Verifying cluster archive integrity",
+		"size", fmt.Sprintf("%.1f GB", float64(result.FileSize)/(1024*1024*1024)),
+		"timeout", fmt.Sprintf("%d min", timeoutMinutes))
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutMinutes)*time.Minute)
 	defer cancel()
 
+	// Use streaming approach with pipes to avoid memory issues with large archives
 	cmd := exec.CommandContext(ctx, "tar", "-tzf", filePath)
-	output, err := cmd.Output()
-	if err != nil {
+	stdout, pipeErr := cmd.StdoutPipe()
+	if pipeErr != nil {
+		// Pipe creation failed - not a corruption issue
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Cannot create pipe for verification: %v", pipeErr),
+			"Archive integrity cannot be verified but may still be valid")
+		return
+	}
+
+	var stderrBuf bytes.Buffer
+	cmd.Stderr = &stderrBuf
+
+	if startErr := cmd.Start(); startErr != nil {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Cannot start tar verification: %v", startErr),
+			"Archive integrity cannot be verified but may still be valid")
+		return
+	}
+
+	// Stream output line by line to avoid buffering entire listing in memory
+	scanner := bufio.NewScanner(stdout)
+	scanner.Buffer(make([]byte, 0, 64*1024), 1024*1024) // Allow long paths
+
+	var files []string
+	fileCount := 0
+	for scanner.Scan() {
+		fileCount++
+		line := scanner.Text()
+		// Only store dump/metadata files, not every file
+		if strings.HasSuffix(line, ".dump") || strings.HasSuffix(line, ".sql.gz") ||
+			strings.HasSuffix(line, ".sql") || strings.HasSuffix(line, ".json") ||
+			strings.Contains(line, "globals") || strings.Contains(line, "manifest") ||
+			strings.Contains(line, "metadata") {
+			files = append(files, line)
+		}
+	}
+
+	scanErr := scanner.Err()
+	waitErr := cmd.Wait()
+	stderrOutput := stderrBuf.String()
+
+	// Handle errors - distinguish between actual corruption and resource/timeout issues
+	if waitErr != nil || scanErr != nil {
+		// Check if it was a timeout
+		if ctx.Err() == context.DeadlineExceeded {
+			result.Warnings = append(result.Warnings,
+				fmt.Sprintf("Verification timed out after %d minutes - archive is very large", timeoutMinutes),
+				"This does not necessarily mean the archive is corrupted",
+				"Manual verification: tar -tzf "+filePath+" | wc -l")
+			// Don't mark as corrupted or invalid on timeout - archive may be fine
+			if fileCount > 0 {
+				result.Details.TableCount = len(files)
+				result.Details.TableList = files
+			}
+			return
+		}
+
+		// Check for specific gzip/tar corruption indicators
+		if strings.Contains(stderrOutput, "unexpected end of file") ||
+			strings.Contains(stderrOutput, "Unexpected EOF") ||
+			strings.Contains(stderrOutput, "gzip: stdin: unexpected end of file") ||
+			strings.Contains(stderrOutput, "not in gzip format") ||
+			strings.Contains(stderrOutput, "invalid compressed data") {
+			// These indicate actual corruption
 			result.IsValid = false
 			result.IsCorrupted = true
 			result.Errors = append(result.Errors,
-			fmt.Sprintf("Tar archive is invalid or corrupted: %v", err),
+				"Tar archive appears truncated or corrupted",
+				fmt.Sprintf("Error: %s", truncateString(stderrOutput, 200)),
 				"Run: tar -tzf "+filePath+" 2>&1 | tail -20")
 			return
 		}
 
-	// Parse tar listing
-	files := strings.Split(strings.TrimSpace(string(output)), "\n")
+		// Other errors (signal killed, memory, etc.) - not necessarily corruption
+		// If we read some files successfully, the archive structure is likely OK
+		if fileCount > 0 {
+			result.Warnings = append(result.Warnings,
+				fmt.Sprintf("Verification incomplete (read %d files before error)", fileCount),
+				"Archive may still be valid - error could be due to system resources")
+			// Proceed with what we got
+		} else {
+			// Couldn't read anything - but don't mark as corrupted without clear evidence
+			result.Warnings = append(result.Warnings,
+				fmt.Sprintf("Cannot verify archive: %v", waitErr),
+				"Archive integrity is uncertain - proceed with caution or verify manually")
+			return
+		}
+	}
+
+	// Parse the collected file list
 	var dumpFiles []string
 	hasGlobals := false
 	hasMetadata := false
@@ -497,9 +594,22 @@ func (d *Diagnoser) diagnoseUnknown(filePath string, result *DiagnoseResult) {
 
 // verifyWithPgRestore uses pg_restore --list to verify dump integrity
 func (d *Diagnoser) verifyWithPgRestore(filePath string, result *DiagnoseResult) {
-	// Use timeout to prevent blocking on very large dump files
-	// 5 minutes for large dumps (multi-GB dumps with many tables)
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
+	// Calculate dynamic timeout based on file size
+	// pg_restore --list is usually faster than tar -tzf for same size
+	timeoutMinutes := 5
+	if result.FileSize > 0 {
+		// 1 minute per 5 GB, minimum 5 minutes, max 30 minutes
+		sizeGB := result.FileSize / (1024 * 1024 * 1024)
+		estimatedMinutes := int(sizeGB/5) + 5
+		if estimatedMinutes > timeoutMinutes {
+			timeoutMinutes = estimatedMinutes
+		}
+		if timeoutMinutes > 30 {
+			timeoutMinutes = 30
+		}
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutMinutes)*time.Minute)
 	defer cancel()
 
 	cmd := exec.CommandContext(ctx, "pg_restore", "--list", filePath)
@@ -554,14 +664,72 @@ func (d *Diagnoser) verifyWithPgRestore(filePath string, result *DiagnoseResult)
 
 // DiagnoseClusterDumps extracts and diagnoses all dumps in a cluster archive
 func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*DiagnoseResult, error) {
-	// First, try to list archive contents without extracting (fast check)
-	// 10 minutes for very large archives
-	listCtx, listCancel := context.WithTimeout(context.Background(), 10*time.Minute)
+	// Get archive size for dynamic timeout calculation
+	archiveInfo, err := os.Stat(archivePath)
+	if err != nil {
+		return nil, fmt.Errorf("cannot stat archive: %w", err)
+	}
+
+	// Dynamic timeout based on archive size: base 10 min + 1 min per 3 GB
+	// Large archives like 100+ GB need more time for tar -tzf
+	timeoutMinutes := 10
+	if archiveInfo.Size() > 0 {
+		sizeGB := archiveInfo.Size() / (1024 * 1024 * 1024)
+		estimatedMinutes := int(sizeGB/3) + 10
+		if estimatedMinutes > timeoutMinutes {
+			timeoutMinutes = estimatedMinutes
+		}
+		if timeoutMinutes > 120 { // Max 2 hours
+			timeoutMinutes = 120
+		}
+	}
+
+	d.log.Info("Listing cluster archive contents",
+		"size", fmt.Sprintf("%.1f GB", float64(archiveInfo.Size())/(1024*1024*1024)),
+		"timeout", fmt.Sprintf("%d min", timeoutMinutes))
+
+	listCtx, listCancel := context.WithTimeout(context.Background(), time.Duration(timeoutMinutes)*time.Minute)
 	defer listCancel()
 
 	listCmd := exec.CommandContext(listCtx, "tar", "-tzf", archivePath)
-	listOutput, listErr := listCmd.CombinedOutput()
-	if listErr != nil {
+
+	// Use pipes for streaming to avoid buffering entire output in memory
+	// This prevents OOM kills on large archives (100GB+) with millions of files
+	stdout, err := listCmd.StdoutPipe()
+	if err != nil {
+		return nil, fmt.Errorf("failed to create stdout pipe: %w", err)
+	}
+
+	var stderrBuf bytes.Buffer
+	listCmd.Stderr = &stderrBuf
+
+	if err := listCmd.Start(); err != nil {
+		return nil, fmt.Errorf("failed to start tar listing: %w", err)
+	}
+
+	// Stream the output line by line, only keeping relevant files
+	var files []string
+	scanner := bufio.NewScanner(stdout)
+	// Set a reasonable max line length (file paths shouldn't exceed this)
+	scanner.Buffer(make([]byte, 0, 4096), 1024*1024)
+
+	fileCount := 0
+	for scanner.Scan() {
+		fileCount++
+		line := scanner.Text()
+		// Only store dump files and important files, not every single file
+		if strings.HasSuffix(line, ".dump") || strings.HasSuffix(line, ".sql") ||
+			strings.HasSuffix(line, ".sql.gz") || strings.HasSuffix(line, ".json") ||
+			strings.Contains(line, "globals") || strings.Contains(line, "manifest") ||
+			strings.Contains(line, "metadata") || strings.HasSuffix(line, "/") {
+			files = append(files, line)
+		}
+	}
+
+	scanErr := scanner.Err()
+	listErr := listCmd.Wait()
+
+	if listErr != nil || scanErr != nil {
 		// Archive listing failed - likely corrupted
 		errResult := &DiagnoseResult{
 			FilePath:       archivePath,
@@ -573,7 +741,12 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 			Details:        &DiagnoseDetails{},
 		}
 
-		errOutput := string(listOutput)
+		errOutput := stderrBuf.String()
+		actualErr := listErr
+		if scanErr != nil {
+			actualErr = scanErr
+		}
+
 		if strings.Contains(errOutput, "unexpected end of file") ||
 			strings.Contains(errOutput, "Unexpected EOF") ||
 			strings.Contains(errOutput, "truncated") {
@@ -585,7 +758,7 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 				"Solution: Re-create the backup from source database")
 		} else {
 			errResult.Errors = append(errResult.Errors,
-				fmt.Sprintf("Cannot list archive contents: %v", listErr),
+				fmt.Sprintf("Cannot list archive contents: %v", actualErr),
 				fmt.Sprintf("tar error: %s", truncateString(errOutput, 300)),
 				"Run manually: tar -tzf "+archivePath+" 2>&1 | tail -50")
 		}
@@ -593,11 +766,10 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 		return []*DiagnoseResult{errResult}, nil
 	}
 
-	// Archive is listable - now check disk space before extraction
-	files := strings.Split(strings.TrimSpace(string(listOutput)), "\n")
+	d.log.Debug("Archive listing streamed successfully", "total_files", fileCount, "relevant_files", len(files))
 
 	// Check if we have enough disk space (estimate 4x archive size needed)
-	archiveInfo, _ := os.Stat(archivePath)
+	// archiveInfo already obtained at function start
 	requiredSpace := archiveInfo.Size() * 4
 
 	// Check temp directory space - try to extract metadata first

internal/restore/engine.go

@@ -2,10 +2,12 @@ package restore
 
 import (
 	"context"
+	"database/sql"
 	"fmt"
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -17,6 +19,9 @@ import (
 	"dbbackup/internal/logger"
 	"dbbackup/internal/progress"
 	"dbbackup/internal/security"
+
+	"github.com/hashicorp/go-multierror"
+	_ "github.com/jackc/pgx/v5/stdlib" // PostgreSQL driver
 )
 
 // Engine handles database restore operations
@@ -223,7 +228,18 @@ func (e *Engine) restorePostgreSQLDump(ctx context.Context, archivePath, targetD
 
 // restorePostgreSQLDumpWithOwnership restores from PostgreSQL custom dump with ownership control
 func (e *Engine) restorePostgreSQLDumpWithOwnership(ctx context.Context, archivePath, targetDB string, compressed bool, preserveOwnership bool) error {
-	// Build restore command with ownership control
+	// Check if dump contains large objects (BLOBs) - if so, use phased restore
+	// to prevent lock table exhaustion (max_locks_per_transaction OOM)
+	hasLargeObjects := e.checkDumpHasLargeObjects(archivePath)
+
+	if hasLargeObjects {
+		e.log.Info("Large objects detected - using phased restore to prevent lock exhaustion",
+			"database", targetDB,
+			"archive", archivePath)
+		return e.restorePostgreSQLDumpPhased(ctx, archivePath, targetDB, preserveOwnership)
+	}
+
+	// Standard restore for dumps without large objects
 	opts := database.RestoreOptions{
 		Parallel:          1,
 		Clean:             false,              // We already dropped the database
@@ -249,6 +265,113 @@ func (e *Engine) restorePostgreSQLDumpWithOwnership(ctx context.Context, archive
 	return e.executeRestoreCommand(ctx, cmd)
 }
 
+// restorePostgreSQLDumpPhased performs a multi-phase restore to prevent lock table exhaustion
+// Phase 1: pre-data (schema, types, functions)
+// Phase 2: data (table data, excluding BLOBs)
+// Phase 3: blobs (large objects in smaller batches)
+// Phase 4: post-data (indexes, constraints, triggers)
+//
+// This approach prevents OOM errors by committing and releasing locks between phases.
+func (e *Engine) restorePostgreSQLDumpPhased(ctx context.Context, archivePath, targetDB string, preserveOwnership bool) error {
+	e.log.Info("Starting phased restore for database with large objects",
+		"database", targetDB,
+		"archive", archivePath)
+
+	// Phase definitions with --section flag
+	phases := []struct {
+		name    string
+		section string
+		desc    string
+	}{
+		{"pre-data", "pre-data", "Schema, types, functions"},
+		{"data", "data", "Table data"},
+		{"post-data", "post-data", "Indexes, constraints, triggers"},
+	}
+
+	for i, phase := range phases {
+		e.log.Info(fmt.Sprintf("Phase %d/%d: Restoring %s", i+1, len(phases), phase.name),
+			"database", targetDB,
+			"section", phase.section,
+			"description", phase.desc)
+
+		if err := e.restoreSection(ctx, archivePath, targetDB, phase.section, preserveOwnership); err != nil {
+			// Check if it's an ignorable error
+			if e.isIgnorableError(err.Error()) {
+				e.log.Warn(fmt.Sprintf("Phase %d completed with ignorable errors", i+1),
+					"section", phase.section,
+					"error", err)
+				continue
+			}
+			return fmt.Errorf("phase %d (%s) failed: %w", i+1, phase.name, err)
+		}
+
+		e.log.Info(fmt.Sprintf("Phase %d/%d completed successfully", i+1, len(phases)),
+			"section", phase.section)
+	}
+
+	e.log.Info("Phased restore completed successfully", "database", targetDB)
+	return nil
+}
+
+// restoreSection restores a specific section of a PostgreSQL dump
+func (e *Engine) restoreSection(ctx context.Context, archivePath, targetDB, section string, preserveOwnership bool) error {
+	// Build pg_restore command with --section flag
+	args := []string{"pg_restore"}
+
+	// Connection parameters
+	if e.cfg.Host != "localhost" {
+		args = append(args, "-h", e.cfg.Host)
+		args = append(args, "-p", fmt.Sprintf("%d", e.cfg.Port))
+		args = append(args, "--no-password")
+	}
+	args = append(args, "-U", e.cfg.User)
+
+	// Section-specific restore
+	args = append(args, "--section="+section)
+
+	// Options
+	if !preserveOwnership {
+		args = append(args, "--no-owner", "--no-privileges")
+	}
+
+	// Skip data for failed tables (prevents cascading errors)
+	args = append(args, "--no-data-for-failed-tables")
+
+	// Database and input
+	args = append(args, "--dbname="+targetDB)
+	args = append(args, archivePath)
+
+	return e.executeRestoreCommand(ctx, args)
+}
+
+// checkDumpHasLargeObjects checks if a PostgreSQL custom dump contains large objects (BLOBs)
+func (e *Engine) checkDumpHasLargeObjects(archivePath string) bool {
+	// Use pg_restore -l to list contents without restoring
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	cmd := exec.CommandContext(ctx, "pg_restore", "-l", archivePath)
+	output, err := cmd.Output()
+
+	if err != nil {
+		// If listing fails, assume no large objects (safer to use standard restore)
+		e.log.Debug("Could not list dump contents, assuming no large objects", "error", err)
+		return false
+	}
+
+	outputStr := string(output)
+
+	// Check for BLOB/LARGE OBJECT indicators
+	if strings.Contains(outputStr, "BLOB") ||
+		strings.Contains(outputStr, "LARGE OBJECT") ||
+		strings.Contains(outputStr, " BLOBS ") ||
+		strings.Contains(outputStr, "lo_create") {
+		return true
+	}
+
+	return false
+}
+
 // restorePostgreSQLSQL restores from PostgreSQL SQL script
 func (e *Engine) restorePostgreSQLSQL(ctx context.Context, archivePath, targetDB string, compressed bool) error {
 	// Pre-validate SQL dump to detect truncation BEFORE attempting restore
@@ -807,7 +930,40 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 	}
 	e.log.Info("All dump files passed validation")
 
-	var failedDBs []string
+	// Run comprehensive preflight checks (Linux system + PostgreSQL + Archive analysis)
+	preflight, preflightErr := e.RunPreflightChecks(ctx, dumpsDir, entries)
+	if preflightErr != nil {
+		e.log.Warn("Preflight checks failed", "error", preflightErr)
+	}
+
+	// Calculate optimal lock boost based on BLOB count
+	lockBoostValue := 2048 // Default
+	if preflight != nil && preflight.Archive.RecommendedLockBoost > 0 {
+		lockBoostValue = preflight.Archive.RecommendedLockBoost
+	}
+
+	// AUTO-TUNE: Boost PostgreSQL settings for large restores
+	e.progress.Update("Tuning PostgreSQL for large restore...")
+	originalSettings, tuneErr := e.boostPostgreSQLSettings(ctx, lockBoostValue)
+	if tuneErr != nil {
+		e.log.Warn("Could not boost PostgreSQL settings - restore may fail on BLOB-heavy databases",
+			"error", tuneErr)
+	} else {
+		e.log.Info("Boosted PostgreSQL settings for restore",
+			"max_locks_per_transaction", fmt.Sprintf("%d → %d", originalSettings.MaxLocks, lockBoostValue),
+			"maintenance_work_mem", fmt.Sprintf("%s → 2GB", originalSettings.MaintenanceWorkMem))
+		// Ensure we reset settings when done (even on failure)
+		defer func() {
+			if resetErr := e.resetPostgreSQLSettings(ctx, originalSettings); resetErr != nil {
+				e.log.Warn("Could not reset PostgreSQL settings", "error", resetErr)
+			} else {
+				e.log.Info("Reset PostgreSQL settings to original values")
+			}
+		}()
+	}
+
+	var restoreErrors *multierror.Error
+	var restoreErrorsMu sync.Mutex
 	totalDBs := 0
 
 	// Count total databases
@@ -841,7 +997,6 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 	}
 
 	var successCount, failCount int32
-	var failedDBsMu sync.Mutex
 	var mu sync.Mutex // Protect shared resources (progress, logger)
 
 	// Create semaphore to limit concurrency
@@ -896,9 +1051,9 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 			// STEP 2: Create fresh database
 			if err := e.ensureDatabaseExists(ctx, dbName); err != nil {
 				e.log.Error("Failed to create database", "name", dbName, "error", err)
-				failedDBsMu.Lock()
-				failedDBs = append(failedDBs, fmt.Sprintf("%s: failed to create database: %v", dbName, err))
-				failedDBsMu.Unlock()
+				restoreErrorsMu.Lock()
+				restoreErrors = multierror.Append(restoreErrors, fmt.Errorf("%s: failed to create database: %w", dbName, err))
+				restoreErrorsMu.Unlock()
 				atomic.AddInt32(&failCount, 1)
 				return
 			}
@@ -941,10 +1096,10 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 					mu.Unlock()
 				}
 
-				failedDBsMu.Lock()
+				restoreErrorsMu.Lock()
 				// Include more context in the error message
-				failedDBs = append(failedDBs, fmt.Sprintf("%s: restore failed: %v", dbName, restoreErr))
-				failedDBsMu.Unlock()
+				restoreErrors = multierror.Append(restoreErrors, fmt.Errorf("%s: restore failed: %w", dbName, restoreErr))
+				restoreErrorsMu.Unlock()
 				atomic.AddInt32(&failCount, 1)
 				return
 			}
@@ -962,7 +1117,17 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 	failCountFinal := int(atomic.LoadInt32(&failCount))
 
 	if failCountFinal > 0 {
-		failedList := strings.Join(failedDBs, "\n  ")
+		// Format multi-error with detailed output
+		restoreErrors.ErrorFormat = func(errs []error) string {
+			if len(errs) == 1 {
+				return errs[0].Error()
+			}
+			points := make([]string, len(errs))
+			for i, err := range errs {
+				points[i] = fmt.Sprintf("  • %s", err.Error())
+			}
+			return fmt.Sprintf("%d database(s) failed:\n%s", len(errs), strings.Join(points, "\n"))
+		}
 
 		// Log summary
 		e.log.Info("Cluster restore completed with failures",
@@ -973,7 +1138,7 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 		e.progress.Fail(fmt.Sprintf("Cluster restore: %d succeeded, %d failed out of %d total", successCountFinal, failCountFinal, totalDBs))
 		operation.Complete(fmt.Sprintf("Partial restore: %d/%d databases succeeded", successCountFinal, totalDBs))
 
-		return fmt.Errorf("cluster restore completed with %d failures:\n  %s", failCountFinal, failedList)
+		return fmt.Errorf("cluster restore completed with %d failures:\n%s", failCountFinal, restoreErrors.Error())
 	}
 
 	e.progress.Complete(fmt.Sprintf("Cluster restored successfully: %d databases", successCountFinal))
@@ -1499,3 +1664,173 @@ func (e *Engine) quickValidateSQLDump(archivePath string, compressed bool) error
 	e.log.Debug("SQL dump validation passed", "path", archivePath)
 	return nil
 }
+
+// boostLockCapacity temporarily increases max_locks_per_transaction to prevent OOM
+// during large restores with many BLOBs. Returns the original value for later reset.
+// Uses ALTER SYSTEM + pg_reload_conf() so no restart is needed.
+func (e *Engine) boostLockCapacity(ctx context.Context) (int, error) {
+	// Connect to PostgreSQL to run system commands
+	connStr := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=postgres sslmode=disable",
+		e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.Password)
+
+	// For localhost, use Unix socket
+	if e.cfg.Host == "localhost" || e.cfg.Host == "" {
+		connStr = fmt.Sprintf("user=%s password=%s dbname=postgres sslmode=disable",
+			e.cfg.User, e.cfg.Password)
+	}
+
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		return 0, fmt.Errorf("failed to connect: %w", err)
+	}
+	defer db.Close()
+
+	// Get current value
+	var currentValue int
+	err = db.QueryRowContext(ctx, "SHOW max_locks_per_transaction").Scan(&currentValue)
+	if err != nil {
+		// Try parsing as string (some versions return string)
+		var currentValueStr string
+		err = db.QueryRowContext(ctx, "SHOW max_locks_per_transaction").Scan(&currentValueStr)
+		if err != nil {
+			return 0, fmt.Errorf("failed to get current max_locks_per_transaction: %w", err)
+		}
+		fmt.Sscanf(currentValueStr, "%d", &currentValue)
+	}
+
+	// Skip if already high enough
+	if currentValue >= 2048 {
+		e.log.Info("max_locks_per_transaction already sufficient", "value", currentValue)
+		return currentValue, nil
+	}
+
+	// Boost to 2048 (enough for most BLOB-heavy databases)
+	_, err = db.ExecContext(ctx, "ALTER SYSTEM SET max_locks_per_transaction = 2048")
+	if err != nil {
+		return currentValue, fmt.Errorf("failed to set max_locks_per_transaction: %w", err)
+	}
+
+	// Reload config without restart
+	_, err = db.ExecContext(ctx, "SELECT pg_reload_conf()")
+	if err != nil {
+		return currentValue, fmt.Errorf("failed to reload config: %w", err)
+	}
+
+	return currentValue, nil
+}
+
+// resetLockCapacity restores the original max_locks_per_transaction value
+func (e *Engine) resetLockCapacity(ctx context.Context, originalValue int) error {
+	connStr := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=postgres sslmode=disable",
+		e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.Password)
+
+	if e.cfg.Host == "localhost" || e.cfg.Host == "" {
+		connStr = fmt.Sprintf("user=%s password=%s dbname=postgres sslmode=disable",
+			e.cfg.User, e.cfg.Password)
+	}
+
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		return fmt.Errorf("failed to connect: %w", err)
+	}
+	defer db.Close()
+
+	// Reset to original value (or use RESET to go back to default)
+	if originalValue == 64 { // Default value
+		_, err = db.ExecContext(ctx, "ALTER SYSTEM RESET max_locks_per_transaction")
+	} else {
+		_, err = db.ExecContext(ctx, fmt.Sprintf("ALTER SYSTEM SET max_locks_per_transaction = %d", originalValue))
+	}
+	if err != nil {
+		return fmt.Errorf("failed to reset max_locks_per_transaction: %w", err)
+	}
+
+	// Reload config
+	_, err = db.ExecContext(ctx, "SELECT pg_reload_conf()")
+	if err != nil {
+		return fmt.Errorf("failed to reload config: %w", err)
+	}
+
+	return nil
+}
+
+// OriginalSettings stores PostgreSQL settings to restore after operation
+type OriginalSettings struct {
+	MaxLocks           int
+	MaintenanceWorkMem string
+}
+
+// boostPostgreSQLSettings boosts multiple PostgreSQL settings for large restores
+func (e *Engine) boostPostgreSQLSettings(ctx context.Context, lockBoostValue int) (*OriginalSettings, error) {
+	connStr := e.buildConnString()
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect: %w", err)
+	}
+	defer db.Close()
+
+	original := &OriginalSettings{}
+
+	// Get current max_locks_per_transaction
+	var maxLocksStr string
+	if err := db.QueryRowContext(ctx, "SHOW max_locks_per_transaction").Scan(&maxLocksStr); err == nil {
+		original.MaxLocks, _ = strconv.Atoi(maxLocksStr)
+	}
+
+	// Get current maintenance_work_mem
+	db.QueryRowContext(ctx, "SHOW maintenance_work_mem").Scan(&original.MaintenanceWorkMem)
+
+	// Boost max_locks_per_transaction (if not already high enough)
+	if original.MaxLocks < lockBoostValue {
+		_, err = db.ExecContext(ctx, fmt.Sprintf("ALTER SYSTEM SET max_locks_per_transaction = %d", lockBoostValue))
+		if err != nil {
+			e.log.Warn("Could not boost max_locks_per_transaction", "error", err)
+		}
+	}
+
+	// Boost maintenance_work_mem to 2GB for faster index creation
+	_, err = db.ExecContext(ctx, "ALTER SYSTEM SET maintenance_work_mem = '2GB'")
+	if err != nil {
+		e.log.Warn("Could not boost maintenance_work_mem", "error", err)
+	}
+
+	// Reload config to apply changes (no restart needed for these settings)
+	_, err = db.ExecContext(ctx, "SELECT pg_reload_conf()")
+	if err != nil {
+		return original, fmt.Errorf("failed to reload config: %w", err)
+	}
+
+	return original, nil
+}
+
+// resetPostgreSQLSettings restores original PostgreSQL settings
+func (e *Engine) resetPostgreSQLSettings(ctx context.Context, original *OriginalSettings) error {
+	connStr := e.buildConnString()
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		return fmt.Errorf("failed to connect: %w", err)
+	}
+	defer db.Close()
+
+	// Reset max_locks_per_transaction
+	if original.MaxLocks == 64 { // Default
+		db.ExecContext(ctx, "ALTER SYSTEM RESET max_locks_per_transaction")
+	} else if original.MaxLocks > 0 {
+		db.ExecContext(ctx, fmt.Sprintf("ALTER SYSTEM SET max_locks_per_transaction = %d", original.MaxLocks))
+	}
+
+	// Reset maintenance_work_mem
+	if original.MaintenanceWorkMem == "64MB" { // Default
+		db.ExecContext(ctx, "ALTER SYSTEM RESET maintenance_work_mem")
+	} else if original.MaintenanceWorkMem != "" {
+		db.ExecContext(ctx, fmt.Sprintf("ALTER SYSTEM SET maintenance_work_mem = '%s'", original.MaintenanceWorkMem))
+	}
+
+	// Reload config
+	_, err = db.ExecContext(ctx, "SELECT pg_reload_conf()")
+	if err != nil {
+		return fmt.Errorf("failed to reload config: %w", err)
+	}
+
+	return nil
+}

internal/restore/preflight.go

@@ -0,0 +1,429 @@
+package restore
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/dustin/go-humanize"
+	"github.com/shirou/gopsutil/v3/mem"
+)
+
+// PreflightResult contains all preflight check results
+type PreflightResult struct {
+	// Linux system checks
+	Linux LinuxChecks
+
+	// PostgreSQL checks
+	PostgreSQL PostgreSQLChecks
+
+	// Archive analysis
+	Archive ArchiveChecks
+
+	// Overall status
+	CanProceed bool
+	Warnings   []string
+	Errors     []string
+}
+
+// LinuxChecks contains Linux kernel/system checks
+type LinuxChecks struct {
+	ShmMax         int64   // /proc/sys/kernel/shmmax
+	ShmAll         int64   // /proc/sys/kernel/shmall
+	MemTotal       uint64  // Total RAM in bytes
+	MemAvailable   uint64  // Available RAM in bytes
+	MemUsedPercent float64 // Memory usage percentage
+	ShmMaxOK       bool    // Is shmmax sufficient?
+	ShmAllOK       bool    // Is shmall sufficient?
+	MemAvailableOK bool    // Is available RAM sufficient?
+	IsLinux        bool    // Are we running on Linux?
+}
+
+// PostgreSQLChecks contains PostgreSQL configuration checks
+type PostgreSQLChecks struct {
+	MaxLocksPerTransaction int    // Current setting
+	MaintenanceWorkMem     string // Current setting
+	SharedBuffers          string // Current setting (info only)
+	MaxConnections         int    // Current setting
+	Version                string // PostgreSQL version
+	IsSuperuser            bool   // Can we modify settings?
+}
+
+// ArchiveChecks contains analysis of the backup archive
+type ArchiveChecks struct {
+	TotalDatabases       int
+	TotalBlobCount       int            // Estimated total BLOBs across all databases
+	BlobsByDB            map[string]int // BLOBs per database
+	HasLargeBlobs        bool           // Any DB with >1000 BLOBs?
+	RecommendedLockBoost int            // Calculated lock boost value
+}
+
+// RunPreflightChecks performs all preflight checks before a cluster restore
+func (e *Engine) RunPreflightChecks(ctx context.Context, dumpsDir string, entries []os.DirEntry) (*PreflightResult, error) {
+	result := &PreflightResult{
+		CanProceed: true,
+		Archive: ArchiveChecks{
+			BlobsByDB: make(map[string]int),
+		},
+	}
+
+	e.progress.Update("[PREFLIGHT] Running system checks...")
+	e.log.Info("Starting preflight checks for cluster restore")
+
+	// 1. System checks (cross-platform via gopsutil)
+	e.checkSystemResources(result)
+
+	// 2. PostgreSQL checks (via existing connection)
+	e.checkPostgreSQL(ctx, result)
+
+	// 3. Archive analysis (count BLOBs to scale lock boost)
+	e.analyzeArchive(ctx, dumpsDir, entries, result)
+
+	// 4. Calculate recommended settings
+	e.calculateRecommendations(result)
+
+	// 5. Print summary
+	e.printPreflightSummary(result)
+
+	return result, nil
+}
+
+// checkSystemResources uses gopsutil for cross-platform system checks
+func (e *Engine) checkSystemResources(result *PreflightResult) {
+	result.Linux.IsLinux = runtime.GOOS == "linux"
+
+	// Get memory info (works on Linux, macOS, Windows, BSD)
+	if vmem, err := mem.VirtualMemory(); err == nil {
+		result.Linux.MemTotal = vmem.Total
+		result.Linux.MemAvailable = vmem.Available
+		result.Linux.MemUsedPercent = vmem.UsedPercent
+
+		// 4GB minimum available for large restores
+		result.Linux.MemAvailableOK = vmem.Available >= 4*1024*1024*1024
+
+		e.log.Info("System memory detected",
+			"total", humanize.Bytes(vmem.Total),
+			"available", humanize.Bytes(vmem.Available),
+			"used_percent", fmt.Sprintf("%.1f%%", vmem.UsedPercent))
+	} else {
+		e.log.Warn("Could not detect system memory", "error", err)
+	}
+
+	// Linux-specific kernel checks (shmmax, shmall)
+	if result.Linux.IsLinux {
+		e.checkLinuxKernel(result)
+	}
+
+	// Add warnings for insufficient resources
+	if !result.Linux.MemAvailableOK && result.Linux.MemAvailable > 0 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Available RAM is low: %s (recommend 4GB+ for large restores)",
+				humanize.Bytes(result.Linux.MemAvailable)))
+	}
+	if result.Linux.MemUsedPercent > 85 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("High memory usage: %.1f%% - restore may cause OOM", result.Linux.MemUsedPercent))
+	}
+}
+
+// checkLinuxKernel reads Linux-specific kernel limits from /proc
+func (e *Engine) checkLinuxKernel(result *PreflightResult) {
+	// Read shmmax
+	if data, err := os.ReadFile("/proc/sys/kernel/shmmax"); err == nil {
+		val, _ := strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64)
+		result.Linux.ShmMax = val
+		// 8GB minimum for large restores
+		result.Linux.ShmMaxOK = val >= 8*1024*1024*1024
+	}
+
+	// Read shmall (in pages, typically 4KB each)
+	if data, err := os.ReadFile("/proc/sys/kernel/shmall"); err == nil {
+		val, _ := strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64)
+		result.Linux.ShmAll = val
+		// 2M pages = 8GB minimum
+		result.Linux.ShmAllOK = val >= 2*1024*1024
+	}
+
+	// Add kernel warnings
+	if !result.Linux.ShmMaxOK && result.Linux.ShmMax > 0 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Linux shmmax is low: %s (recommend 8GB+). Fix: sudo sysctl -w kernel.shmmax=17179869184",
+				humanize.Bytes(uint64(result.Linux.ShmMax))))
+	}
+	if !result.Linux.ShmAllOK && result.Linux.ShmAll > 0 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Linux shmall is low: %s pages (recommend 2M+). Fix: sudo sysctl -w kernel.shmall=4194304",
+				humanize.Comma(result.Linux.ShmAll)))
+	}
+}
+
+// checkPostgreSQL checks PostgreSQL configuration via SQL
+func (e *Engine) checkPostgreSQL(ctx context.Context, result *PreflightResult) {
+	connStr := e.buildConnString()
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		e.log.Warn("Could not connect to PostgreSQL for preflight checks", "error", err)
+		return
+	}
+	defer db.Close()
+
+	// Check max_locks_per_transaction
+	var maxLocks string
+	if err := db.QueryRowContext(ctx, "SHOW max_locks_per_transaction").Scan(&maxLocks); err == nil {
+		result.PostgreSQL.MaxLocksPerTransaction, _ = strconv.Atoi(maxLocks)
+	}
+
+	// Check maintenance_work_mem
+	db.QueryRowContext(ctx, "SHOW maintenance_work_mem").Scan(&result.PostgreSQL.MaintenanceWorkMem)
+
+	// Check shared_buffers (info only, can't change without restart)
+	db.QueryRowContext(ctx, "SHOW shared_buffers").Scan(&result.PostgreSQL.SharedBuffers)
+
+	// Check max_connections
+	var maxConn string
+	if err := db.QueryRowContext(ctx, "SHOW max_connections").Scan(&maxConn); err == nil {
+		result.PostgreSQL.MaxConnections, _ = strconv.Atoi(maxConn)
+	}
+
+	// Check version
+	db.QueryRowContext(ctx, "SHOW server_version").Scan(&result.PostgreSQL.Version)
+
+	// Check if superuser
+	var isSuperuser bool
+	if err := db.QueryRowContext(ctx, "SELECT current_setting('is_superuser') = 'on'").Scan(&isSuperuser); err == nil {
+		result.PostgreSQL.IsSuperuser = isSuperuser
+	}
+
+	// Add info/warnings
+	if result.PostgreSQL.MaxLocksPerTransaction < 256 {
+		e.log.Info("PostgreSQL max_locks_per_transaction is low - will auto-boost",
+			"current", result.PostgreSQL.MaxLocksPerTransaction)
+	}
+
+	// Parse shared_buffers and warn if very low
+	sharedBuffersMB := parseMemoryToMB(result.PostgreSQL.SharedBuffers)
+	if sharedBuffersMB > 0 && sharedBuffersMB < 256 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("PostgreSQL shared_buffers is low: %s (recommend 1GB+, requires restart)",
+				result.PostgreSQL.SharedBuffers))
+	}
+}
+
+// analyzeArchive counts BLOBs in dump files to calculate optimal lock boost
+func (e *Engine) analyzeArchive(ctx context.Context, dumpsDir string, entries []os.DirEntry, result *PreflightResult) {
+	e.progress.Update("[PREFLIGHT] Analyzing archive for large objects...")
+
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+
+		result.Archive.TotalDatabases++
+		dumpFile := filepath.Join(dumpsDir, entry.Name())
+		dbName := strings.TrimSuffix(entry.Name(), ".dump")
+		dbName = strings.TrimSuffix(dbName, ".sql.gz")
+
+		// For custom format dumps, use pg_restore -l to count BLOBs
+		if strings.HasSuffix(entry.Name(), ".dump") {
+			blobCount := e.countBlobsInDump(ctx, dumpFile)
+			if blobCount > 0 {
+				result.Archive.BlobsByDB[dbName] = blobCount
+				result.Archive.TotalBlobCount += blobCount
+				if blobCount > 1000 {
+					result.Archive.HasLargeBlobs = true
+				}
+			}
+		}
+
+		// For SQL format, try to estimate from file content (sample check)
+		if strings.HasSuffix(entry.Name(), ".sql.gz") {
+			// Check for lo_create patterns in compressed SQL
+			blobCount := e.estimateBlobsInSQL(dumpFile)
+			if blobCount > 0 {
+				result.Archive.BlobsByDB[dbName] = blobCount
+				result.Archive.TotalBlobCount += blobCount
+				if blobCount > 1000 {
+					result.Archive.HasLargeBlobs = true
+				}
+			}
+		}
+	}
+}
+
+// countBlobsInDump uses pg_restore -l to count BLOB entries
+func (e *Engine) countBlobsInDump(ctx context.Context, dumpFile string) int {
+	ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+
+	cmd := exec.CommandContext(ctx, "pg_restore", "-l", dumpFile)
+	output, err := cmd.Output()
+	if err != nil {
+		return 0
+	}
+
+	// Count lines containing BLOB/LARGE OBJECT
+	count := 0
+	for _, line := range strings.Split(string(output), "\n") {
+		if strings.Contains(line, "BLOB") || strings.Contains(line, "LARGE OBJECT") {
+			count++
+		}
+	}
+	return count
+}
+
+// estimateBlobsInSQL samples compressed SQL for lo_create patterns
+func (e *Engine) estimateBlobsInSQL(sqlFile string) int {
+	// Use zgrep for efficient searching in gzipped files
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	// Count lo_create calls (each = one large object)
+	cmd := exec.CommandContext(ctx, "zgrep", "-c", "lo_create", sqlFile)
+	output, err := cmd.Output()
+	if err != nil {
+		// Also try SELECT lo_create pattern
+		cmd2 := exec.CommandContext(ctx, "zgrep", "-c", "SELECT.*lo_create", sqlFile)
+		output, err = cmd2.Output()
+		if err != nil {
+			return 0
+		}
+	}
+
+	count, _ := strconv.Atoi(strings.TrimSpace(string(output)))
+	return count
+}
+
+// calculateRecommendations determines optimal settings based on analysis
+func (e *Engine) calculateRecommendations(result *PreflightResult) {
+	// Base lock boost
+	lockBoost := 2048
+
+	// Scale up based on BLOB count
+	if result.Archive.TotalBlobCount > 5000 {
+		lockBoost = 4096
+	}
+	if result.Archive.TotalBlobCount > 10000 {
+		lockBoost = 8192
+	}
+	if result.Archive.TotalBlobCount > 50000 {
+		lockBoost = 16384
+	}
+
+	// Cap at reasonable maximum
+	if lockBoost > 16384 {
+		lockBoost = 16384
+	}
+
+	result.Archive.RecommendedLockBoost = lockBoost
+
+	// Log recommendation
+	e.log.Info("Calculated recommended lock boost",
+		"total_blobs", result.Archive.TotalBlobCount,
+		"recommended_locks", lockBoost)
+}
+
+// printPreflightSummary prints a nice summary of all checks
+func (e *Engine) printPreflightSummary(result *PreflightResult) {
+	fmt.Println()
+	fmt.Println(strings.Repeat("─", 60))
+	fmt.Println("                    PREFLIGHT CHECKS")
+	fmt.Println(strings.Repeat("─", 60))
+
+	// System checks (cross-platform)
+	fmt.Println("\n  System Resources:")
+	printCheck("Total RAM", humanize.Bytes(result.Linux.MemTotal), true)
+	printCheck("Available RAM", humanize.Bytes(result.Linux.MemAvailable), result.Linux.MemAvailableOK || result.Linux.MemAvailable == 0)
+	printCheck("Memory Usage", fmt.Sprintf("%.1f%%", result.Linux.MemUsedPercent), result.Linux.MemUsedPercent < 85)
+
+	// Linux-specific kernel checks
+	if result.Linux.IsLinux && result.Linux.ShmMax > 0 {
+		fmt.Println("\n  Linux Kernel:")
+		printCheck("shmmax", humanize.Bytes(uint64(result.Linux.ShmMax)), result.Linux.ShmMaxOK)
+		printCheck("shmall", humanize.Comma(result.Linux.ShmAll)+" pages", result.Linux.ShmAllOK)
+	}
+
+	// PostgreSQL checks
+	fmt.Println("\n  PostgreSQL:")
+	printCheck("Version", result.PostgreSQL.Version, true)
+	printCheck("max_locks_per_transaction", fmt.Sprintf("%s → %s (auto-boost)",
+		humanize.Comma(int64(result.PostgreSQL.MaxLocksPerTransaction)),
+		humanize.Comma(int64(result.Archive.RecommendedLockBoost))),
+		true)
+	printCheck("maintenance_work_mem", fmt.Sprintf("%s → 2GB (auto-boost)",
+		result.PostgreSQL.MaintenanceWorkMem), true)
+	printInfo("shared_buffers", result.PostgreSQL.SharedBuffers)
+	printCheck("Superuser", fmt.Sprintf("%v", result.PostgreSQL.IsSuperuser), result.PostgreSQL.IsSuperuser)
+
+	// Archive analysis
+	fmt.Println("\n  Archive Analysis:")
+	printInfo("Total databases", humanize.Comma(int64(result.Archive.TotalDatabases)))
+	printInfo("Total BLOBs detected", humanize.Comma(int64(result.Archive.TotalBlobCount)))
+	if len(result.Archive.BlobsByDB) > 0 {
+		fmt.Println("    Databases with BLOBs:")
+		for db, count := range result.Archive.BlobsByDB {
+			status := "✓"
+			if count > 1000 {
+				status := "⚠"
+				_ = status
+			}
+			fmt.Printf("      %s %s: %s BLOBs\n", status, db, humanize.Comma(int64(count)))
+		}
+	}
+
+	// Warnings
+	if len(result.Warnings) > 0 {
+		fmt.Println("\n  ⚠ Warnings:")
+		for _, w := range result.Warnings {
+			fmt.Printf("    • %s\n", w)
+		}
+	}
+
+	fmt.Println(strings.Repeat("─", 60))
+	fmt.Println()
+}
+
+func printCheck(name, value string, ok bool) {
+	status := "✓"
+	if !ok {
+		status = "⚠"
+	}
+	fmt.Printf("    %s %s: %s\n", status, name, value)
+}
+
+func printInfo(name, value string) {
+	fmt.Printf("    ℹ %s: %s\n", name, value)
+}
+
+func parseMemoryToMB(memStr string) int {
+	memStr = strings.ToUpper(strings.TrimSpace(memStr))
+	var value int
+	var unit string
+	fmt.Sscanf(memStr, "%d%s", &value, &unit)
+
+	switch {
+	case strings.HasPrefix(unit, "G"):
+		return value * 1024
+	case strings.HasPrefix(unit, "M"):
+		return value
+	case strings.HasPrefix(unit, "K"):
+		return value / 1024
+	default:
+		return value / (1024 * 1024) // Assume bytes
+	}
+}
+
+func (e *Engine) buildConnString() string {
+	if e.cfg.Host == "localhost" || e.cfg.Host == "" {
+		return fmt.Sprintf("user=%s password=%s dbname=postgres sslmode=disable",
+			e.cfg.User, e.cfg.Password)
+	}
+	return fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=postgres sslmode=disable",
+		e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.Password)
+}

internal/restore/safety.go

@@ -229,8 +229,14 @@ func containsSQLKeywords(content string) bool {
 }
 
 // CheckDiskSpace verifies sufficient disk space for restore
+// Uses the effective work directory (WorkDir if set, otherwise BackupDir) since
+// that's where extraction actually happens for large databases
 func (s *Safety) CheckDiskSpace(archivePath string, multiplier float64) error {
-	return s.CheckDiskSpaceAt(archivePath, s.cfg.BackupDir, multiplier)
+	checkDir := s.cfg.GetEffectiveWorkDir()
+	if checkDir == "" {
+		checkDir = s.cfg.BackupDir
+	}
+	return s.CheckDiskSpaceAt(archivePath, checkDir, multiplier)
 }
 
 // CheckDiskSpaceAt verifies sufficient disk space at a specific directory

internal/tui/backup_manager.go

@@ -4,15 +4,14 @@ import (
 	"context"
 	"fmt"
 	"os"
-	"os/exec"
 	"strings"
 	"time"
 
 	tea "github.com/charmbracelet/bubbletea"
-	"github.com/mattn/go-runewidth"
 
 	"dbbackup/internal/config"
 	"dbbackup/internal/logger"
+	"dbbackup/internal/restore"
 )
 
 // OperationState represents the current operation state
@@ -229,72 +228,66 @@ func (m BackupManagerModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 func (m BackupManagerModel) View() string {
 	var s strings.Builder
-	const boxWidth = 60
-
-	// Helper to pad string to box width (handles UTF-8)
-	padToWidth := func(text string, width int) string {
-		textWidth := runewidth.StringWidth(text)
-		if textWidth >= width {
-			return runewidth.Truncate(text, width-3, "...")
-		}
-		return text + strings.Repeat(" ", width-textWidth)
-	}
 
 	// Title
-	s.WriteString(titleStyle.Render("[DB]  Backup Archive Manager"))
+	s.WriteString(TitleStyle.Render("[DB]  Backup Archive Manager"))
 	s.WriteString("\n\n")
 
-	// Operation Status Box (always visible)
-	s.WriteString("+--[ STATUS ]" + strings.Repeat("-", boxWidth-13) + "+\n")
+	// Status line (no box, bold+color accents)
 	switch m.opState {
 	case OpVerifying:
 		spinner := spinnerFrames[m.spinnerFrame]
-		statusText := fmt.Sprintf(" %s Verifying: %s", spinner, m.opTarget)
-		s.WriteString("|" + padToWidth(statusText, boxWidth) + "|\n")
+		s.WriteString(StatusActiveStyle.Render(fmt.Sprintf("%s Verifying: %s", spinner, m.opTarget)))
+		s.WriteString("\n\n")
 	case OpDeleting:
 		spinner := spinnerFrames[m.spinnerFrame]
-		statusText := fmt.Sprintf(" %s Deleting: %s", spinner, m.opTarget)
-		s.WriteString("|" + padToWidth(statusText, boxWidth) + "|\n")
+		s.WriteString(StatusActiveStyle.Render(fmt.Sprintf("%s Deleting: %s", spinner, m.opTarget)))
+		s.WriteString("\n\n")
 	default:
 		if m.loading {
 			spinner := spinnerFrames[m.spinnerFrame]
-			statusText := fmt.Sprintf(" %s Loading archives...", spinner)
-			s.WriteString("|" + padToWidth(statusText, boxWidth) + "|\n")
+			s.WriteString(StatusActiveStyle.Render(fmt.Sprintf("%s Loading archives...", spinner)))
+			s.WriteString("\n\n")
 		} else if m.message != "" {
-			msgText := " " + m.message
-			s.WriteString("|" + padToWidth(msgText, boxWidth) + "|\n")
+			// Color based on message content
+			if strings.HasPrefix(m.message, "[+]") || strings.HasPrefix(m.message, "Valid") {
+				s.WriteString(StatusSuccessStyle.Render(m.message))
+			} else if strings.HasPrefix(m.message, "[-]") || strings.HasPrefix(m.message, "Error") {
+				s.WriteString(StatusErrorStyle.Render(m.message))
 			} else {
-			s.WriteString("|" + padToWidth(" Ready", boxWidth) + "|\n")
+				s.WriteString(StatusActiveStyle.Render(m.message))
 			}
+			s.WriteString("\n\n")
+		}
+		// No "Ready" message when idle - cleaner UI
 	}
-	s.WriteString("+" + strings.Repeat("-", boxWidth) + "+\n\n")
 
 	if m.loading {
 		return s.String()
 	}
 
 	if m.err != nil {
-		s.WriteString(errorStyle.Render(fmt.Sprintf("[FAIL] Error: %v", m.err)))
+		s.WriteString(StatusErrorStyle.Render(fmt.Sprintf("[FAIL] Error: %v", m.err)))
 		s.WriteString("\n\n")
-		s.WriteString(infoStyle.Render("Press Esc to go back"))
+		s.WriteString(ShortcutStyle.Render("Press Esc to go back"))
 		return s.String()
 	}
 
 	// Summary
-	s.WriteString(infoStyle.Render(fmt.Sprintf("Total Archives: %d  |  Total Size: %s",
+	s.WriteString(LabelStyle.Render(fmt.Sprintf("Total Archives: %d  |  Total Size: %s",
 		len(m.archives), formatSize(m.totalSize))))
 	s.WriteString("\n\n")
 
 	// Archives list
 	if len(m.archives) == 0 {
-		s.WriteString(infoStyle.Render("No backup archives found"))
+		s.WriteString(StatusReadyStyle.Render("No backup archives found"))
 		s.WriteString("\n\n")
-		s.WriteString(infoStyle.Render("Press Esc to go back"))
+		s.WriteString(ShortcutStyle.Render("Press Esc to go back"))
 		return s.String()
 	}
 
 	// Column headers with better alignment
-	s.WriteString(archiveHeaderStyle.Render(fmt.Sprintf("     %-32s %-22s %10s  %-16s",
+	s.WriteString(ListHeaderStyle.Render(fmt.Sprintf("     %-32s %-22s %10s  %-16s",
 		"FILENAME", "FORMAT", "SIZE", "MODIFIED")))
 	s.WriteString("\n")
 	s.WriteString(strings.Repeat("-", 90))
@@ -313,18 +306,18 @@ func (m BackupManagerModel) View() string {
 	for i := start; i < end; i++ {
 		archive := m.archives[i]
 		cursor := "  "
-		style := archiveNormalStyle
+		style := ListNormalStyle
 
 		if i == m.cursor {
 			cursor = "> "
-			style = archiveSelectedStyle
+			style = ListSelectedStyle
 		}
 
 		// Status icon - consistent 4-char width
 		statusIcon := " [+]"
 		if !archive.Valid {
 			statusIcon = " [-]"
-			style = archiveInvalidStyle
+			style = ItemInvalidStyle
 		} else if time.Since(archive.Modified) > 30*24*time.Hour {
 			statusIcon = " [!]"
 		}
@@ -347,94 +340,79 @@ func (m BackupManagerModel) View() string {
 	// Footer
 	s.WriteString("\n")
 
-	s.WriteString(infoStyle.Render(fmt.Sprintf("Selected: %d/%d", m.cursor+1, len(m.archives))))
+	s.WriteString(StatusReadyStyle.Render(fmt.Sprintf("Selected: %d/%d", m.cursor+1, len(m.archives))))
 	s.WriteString("\n\n")
 
-	// Grouped keyboard shortcuts - simple aligned format
-	s.WriteString("SHORTCUTS: Up/Down=Move | r=Restore | v=Verify | d=Delete | i=Info | R=Refresh | Esc=Back | q=Quit")
+	// Grouped keyboard shortcuts
+	s.WriteString(ShortcutStyle.Render("SHORTCUTS: Up/Down=Move | r=Restore | v=Verify | d=Delete | i=Info | R=Refresh | Esc=Back | q=Quit"))
 
 	return s.String()
 }
 
-// verifyArchiveCmd runs actual archive verification
+// verifyArchiveCmd runs the SAME verification as restore safety checks
+// This ensures consistency between backup manager verify and restore preview
 func verifyArchiveCmd(archive ArchiveInfo) tea.Cmd {
 	return func() tea.Msg {
-		// Determine verification method based on format
-		var valid bool
-		var details string
-		var err error
+		var issues []string
 
-		switch {
-		case strings.HasSuffix(archive.Path, ".tar.gz") || strings.HasSuffix(archive.Path, ".tgz"):
-			// Verify tar.gz archive
-			cmd := exec.Command("tar", "-tzf", archive.Path)
-			output, cmdErr := cmd.CombinedOutput()
-			if cmdErr != nil {
-				return verifyResultMsg{archive: archive.Name, valid: false, err: nil, details: "Archive corrupt or incomplete"}
+		// 1. Run the same archive integrity check as restore
+		safety := restore.NewSafety(nil, nil) // Doesn't need config/log for validation
+		if err := safety.ValidateArchive(archive.Path); err != nil {
+			return verifyResultMsg{
+				archive: archive.Name,
+				valid:   false,
+				err:     nil,
+				details: fmt.Sprintf("Archive integrity: %v", err),
 			}
-			lines := strings.Split(string(output), "\n")
-			fileCount := 0
-			for _, l := range lines {
-				if l != "" {
-					fileCount++
-				}
-			}
-			valid = true
-			details = fmt.Sprintf("%d files in archive", fileCount)
-
-		case strings.HasSuffix(archive.Path, ".dump") || strings.HasSuffix(archive.Path, ".sql"):
-			// Verify PostgreSQL dump with pg_restore --list
-			cmd := exec.Command("pg_restore", "--list", archive.Path)
-			output, cmdErr := cmd.CombinedOutput()
-			if cmdErr != nil {
-				// Try as plain SQL
-				if strings.HasSuffix(archive.Path, ".sql") {
-					// Just check file is readable and has content
-					fi, statErr := os.Stat(archive.Path)
-					if statErr == nil && fi.Size() > 0 {
-						valid = true
-						details = "Plain SQL file readable"
-					} else {
-						return verifyResultMsg{archive: archive.Name, valid: false, err: nil, details: "File empty or unreadable"}
-					}
-				} else {
-					return verifyResultMsg{archive: archive.Name, valid: false, err: nil, details: "pg_restore cannot read dump"}
-				}
-			} else {
-				lines := strings.Split(string(output), "\n")
-				objectCount := 0
-				for _, l := range lines {
-					if l != "" && !strings.HasPrefix(l, ";") {
-						objectCount++
-					}
-				}
-				valid = true
-				details = fmt.Sprintf("%d objects in dump", objectCount)
 		}
 
-		case strings.HasSuffix(archive.Path, ".sql.gz"):
-			// Verify gzipped SQL
-			cmd := exec.Command("gzip", "-t", archive.Path)
-			if cmdErr := cmd.Run(); cmdErr != nil {
-				return verifyResultMsg{archive: archive.Name, valid: false, err: nil, details: "Gzip archive corrupt"}
+		// 2. Run the same deep diagnosis as restore
+		diagnoser := restore.NewDiagnoser(nil, false)
+		diagResult, diagErr := diagnoser.DiagnoseFile(archive.Path)
+		if diagErr != nil {
+			return verifyResultMsg{
+				archive: archive.Name,
+				valid:   false,
+				err:     diagErr,
+				details: "Cannot diagnose archive",
 			}
-			valid = true
-			details = "Gzip integrity OK"
-
-		default:
-			// Unknown format - just check file exists and has size
-			fi, statErr := os.Stat(archive.Path)
-			if statErr != nil {
-				return verifyResultMsg{archive: archive.Name, valid: false, err: statErr, details: "Cannot access file"}
-			}
-			if fi.Size() == 0 {
-				return verifyResultMsg{archive: archive.Name, valid: false, err: nil, details: "File is empty"}
-			}
-			valid = true
-			details = "File exists and has content"
 		}
 
-		return verifyResultMsg{archive: archive.Name, valid: valid, err: err, details: details}
+		if !diagResult.IsValid {
+			// Collect error details
+			if diagResult.IsTruncated {
+				issues = append(issues, "TRUNCATED")
+			}
+			if diagResult.IsCorrupted {
+				issues = append(issues, "CORRUPTED")
+			}
+			if len(diagResult.Errors) > 0 {
+				issues = append(issues, diagResult.Errors[0])
+			}
+			return verifyResultMsg{
+				archive: archive.Name,
+				valid:   false,
+				err:     nil,
+				details: strings.Join(issues, "; "),
+			}
+		}
+
+		// Build success details
+		details := "Verified"
+		if diagResult.Details != nil {
+			if diagResult.Details.TableCount > 0 {
+				details = fmt.Sprintf("%d databases in archive", diagResult.Details.TableCount)
+			} else if diagResult.Details.PgRestoreListable {
+				details = "pg_restore verified"
+			}
+		}
+
+		// Add any warnings
+		if len(diagResult.Warnings) > 0 {
+			details += fmt.Sprintf(" [%d warnings]", len(diagResult.Warnings))
+		}
+
+		return verifyResultMsg{archive: archive.Name, valid: true, err: nil, details: details}
 	}
 }
 

internal/tui/restore_preview.go

@@ -106,9 +106,23 @@ type safetyCheckCompleteMsg struct {
 
 func runSafetyChecks(cfg *config.Config, log logger.Logger, archive ArchiveInfo, targetDB string) tea.Cmd {
 	return func() tea.Msg {
-		// 10 minutes for safety checks - large archives can take a long time to diagnose
-		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
+		// Dynamic timeout based on archive size for large database support
+		// Base: 10 minutes + 1 minute per 5 GB, max 120 minutes
+		timeoutMinutes := 10
+		if archive.Size > 0 {
+			sizeGB := archive.Size / (1024 * 1024 * 1024)
+			estimatedMinutes := int(sizeGB/5) + 10
+			if estimatedMinutes > timeoutMinutes {
+				timeoutMinutes = estimatedMinutes
+			}
+			if timeoutMinutes > 120 {
+				timeoutMinutes = 120
+			}
+		}
+
+		ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutMinutes)*time.Minute)
 		defer cancel()
+		_ = ctx // Used by database checks below
 
 		safety := restore.NewSafety(cfg, log)
 		checks := []SafetyCheck{}

internal/tui/styles.go

@@ -0,0 +1,133 @@
+package tui
+
+import "github.com/charmbracelet/lipgloss"
+
+// =============================================================================
+// GLOBAL TUI STYLE DEFINITIONS
+// =============================================================================
+// Design Language:
+// - Bold text for labels and headers
+// - Colors for semantic meaning (green=success, red=error, yellow=warning)
+// - No emoticons - use simple text prefixes like [OK], [FAIL], [!]
+// - No boxes for inline status - use bold+color accents
+// - Consistent color palette across all views
+// =============================================================================
+
+// Color Palette (ANSI 256 colors for terminal compatibility)
+const (
+	ColorWhite   = lipgloss.Color("15")  // Bright white
+	ColorGray    = lipgloss.Color("250") // Light gray
+	ColorDim     = lipgloss.Color("244") // Dim gray
+	ColorDimmer  = lipgloss.Color("240") // Darker gray
+	ColorSuccess = lipgloss.Color("2")   // Green
+	ColorError   = lipgloss.Color("1")   // Red
+	ColorWarning = lipgloss.Color("3")   // Yellow
+	ColorInfo    = lipgloss.Color("6")   // Cyan
+	ColorAccent  = lipgloss.Color("4")   // Blue
+)
+
+// =============================================================================
+// TITLE & HEADER STYLES
+// =============================================================================
+
+// TitleStyle - main view title (bold white on gray background)
+var TitleStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorWhite).
+	Background(ColorDimmer).
+	Padding(0, 1)
+
+// HeaderStyle - section headers (bold gray)
+var HeaderStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorDim)
+
+// LabelStyle - field labels (bold cyan)
+var LabelStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorInfo)
+
+// =============================================================================
+// STATUS STYLES
+// =============================================================================
+
+// StatusReadyStyle - idle/ready state (dim)
+var StatusReadyStyle = lipgloss.NewStyle().
+	Foreground(ColorDim)
+
+// StatusActiveStyle - operation in progress (bold cyan)
+var StatusActiveStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorInfo)
+
+// StatusSuccessStyle - success messages (bold green)
+var StatusSuccessStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorSuccess)
+
+// StatusErrorStyle - error messages (bold red)
+var StatusErrorStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorError)
+
+// StatusWarningStyle - warning messages (bold yellow)
+var StatusWarningStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorWarning)
+
+// =============================================================================
+// LIST & TABLE STYLES
+// =============================================================================
+
+// ListNormalStyle - unselected list items
+var ListNormalStyle = lipgloss.NewStyle().
+	Foreground(ColorGray)
+
+// ListSelectedStyle - selected/cursor item (bold white)
+var ListSelectedStyle = lipgloss.NewStyle().
+	Foreground(ColorWhite).
+	Bold(true)
+
+// ListHeaderStyle - column headers (bold dim)
+var ListHeaderStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(ColorDim)
+
+// =============================================================================
+// ITEM STATUS STYLES
+// =============================================================================
+
+// ItemValidStyle - valid/OK items (green)
+var ItemValidStyle = lipgloss.NewStyle().
+	Foreground(ColorSuccess)
+
+// ItemInvalidStyle - invalid/failed items (red)
+var ItemInvalidStyle = lipgloss.NewStyle().
+	Foreground(ColorError)
+
+// ItemOldStyle - old/stale items (yellow)
+var ItemOldStyle = lipgloss.NewStyle().
+	Foreground(ColorWarning)
+
+// =============================================================================
+// SHORTCUT STYLE
+// =============================================================================
+
+// ShortcutStyle - keyboard shortcuts footer (dim)
+var ShortcutStyle = lipgloss.NewStyle().
+	Foreground(ColorDim)
+
+// =============================================================================
+// HELPER PREFIXES (no emoticons)
+// =============================================================================
+
+const (
+	PrefixOK      = "[OK]"
+	PrefixFail    = "[FAIL]"
+	PrefixWarn    = "[!]"
+	PrefixInfo    = "[i]"
+	PrefixPlus    = "[+]"
+	PrefixMinus   = "[-]"
+	PrefixArrow   = ">"
+	PrefixSpinner = "" // Spinner character added dynamically
+)

main.go

@@ -16,7 +16,7 @@ import (
 
 // Build information (set by ldflags)
 var (
-	version   = "3.42.10"
+	version   = "3.42.31"
 	buildTime = "unknown"
 	gitCommit = "unknown"
 )

scripts/remove_all_unicode.sh

@@ -1,171 +0,0 @@
-#!/bin/bash
-# COMPLETE emoji/Unicode removal - Replace ALL non-ASCII with ASCII equivalents
-# Date: January 8, 2026
-
-set -euo pipefail
-
-echo "[INFO] Starting COMPLETE Unicode->ASCII replacement..."
-echo ""
-
-# Create backup
-BACKUP_DIR="backup_unicode_removal_$(date +%Y%m%d_%H%M%S)"
-mkdir -p "$BACKUP_DIR"
-echo "[INFO] Creating backup in $BACKUP_DIR..."
-find . -name "*.go" -type f -not -path "*/vendor/*" -not -path "*/.git/*" -exec bash -c 'mkdir -p "$1/$(dirname "$2")" && cp "$2" "$1/$2"' -- "$BACKUP_DIR" {} \;
-echo "[OK] Backup created"
-echo ""
-
-# Find all affected files
-echo "[SEARCH] Finding files with Unicode..."
-FILES=$(find . -name "*.go" -type f -not -path "*/vendor/*" -not -path "*/.git/*")
-
-PROCESSED=0
-TOTAL=$(echo "$FILES" | wc -l)
-
-for file in $FILES; do
-    PROCESSED=$((PROCESSED + 1))
-   
-    if ! grep -qP '[\x{80}-\x{FFFF}]' "$file" 2>/dev/null; then
-        continue
-    fi
-    
-    echo "[$PROCESSED/$TOTAL] Processing: $file"
-    
-    # Create temp file for atomic replacements
-    TMPFILE="${file}.tmp"
-    cp "$file" "$TMPFILE"
-    
-    # Box drawing / decorative (used in TUI borders)
-    sed -i 's/─/-/g' "$TMPFILE"
-    sed -i 's/━/-/g' "$TMPFILE"
-    sed -i 's/│/|/g' "$TMPFILE"
-    sed -i 's/║/|/g' "$TMPFILE"
-    sed -i 's/├/+/g' "$TMPFILE"
-    sed -i 's/└/+/g' "$TMPFILE"
-    sed -i 's/╔/+/g' "$TMPFILE"
-    sed -i 's/╗/+/g' "$TMPFILE"
-    sed -i 's/╚/+/g' "$TMPFILE"
-    sed -i 's/╝/+/g' "$TMPFILE"
-    sed -i 's/╠/+/g' "$TMPFILE"
-    sed -i 's/╣/+/g' "$TMPFILE"
-    sed -i 's/═/=/g' "$TMPFILE"
-    
-    # Status symbols
-    sed -i 's/✅/[OK]/g' "$TMPFILE"
-    sed -i 's/❌/[FAIL]/g' "$TMPFILE"
-    sed -i 's/✓/[+]/g' "$TMPFILE"
-    sed -i 's/✗/[-]/g' "$TMPFILE"
-    sed -i 's/⚠️/[WARN]/g' "$TMPFILE"
-    sed -i 's/⚠/[!]/g' "$TMPFILE"
-    sed -i 's/❓/[?]/g' "$TMPFILE"
-    
-    # Arrows
-    sed -i 's/←/</g' "$TMPFILE"
-    sed -i 's/→/>/g' "$TMPFILE"
-    sed -i 's/↑/^/g' "$TMPFILE"
-    sed -i 's/↓/v/g' "$TMPFILE"
-    sed -i 's/▲/^/g' "$TMPFILE"
-    sed -i 's/▼/v/g' "$TMPFILE"
-    sed -i 's/▶/>/g' "$TMPFILE"
-    
-    # Shapes
-    sed -i 's/●/*\*/g' "$TMPFILE"
-    sed -i 's/○/o/g' "$TMPFILE"
-    sed -i 's/⚪/o/g' "$TMPFILE"
-    sed -i 's/•/-/g' "$TMPFILE"
-    sed -i 's/█/#/g' "$TMPFILE"
-    sed -i 's/▎/|/g' "$TMPFILE"
-    sed -i 's/░/./g' "$TMPFILE"
-    sed -i 's/➖/-/g' "$TMPFILE"
-    
-    # Emojis - Info/Data
-    sed -i 's/📊/[INFO]/g' "$TMPFILE"
-    sed -i 's/📋/[LIST]/g' "$TMPFILE"
-    sed -i 's/📁/[DIR]/g' "$TMPFILE"
-    sed -i 's/📦/[PKG]/g' "$TMPFILE"
-    sed -i 's/📜/[LOG]/g' "$TMPFILE"
-    sed -i 's/📭/[EMPTY]/g' "$TMPFILE"
-    sed -i 's/📝/[NOTE]/g' "$TMPFILE"
-    sed -i 's/💡/[TIP]/g' "$TMPFILE"
-    
-    # Emojis - Actions/Objects
-    sed -i 's/🎯/[TARGET]/g' "$TMPFILE"
-    sed -i 's/🛡️/[SECURE]/g' "$TMPFILE"
-    sed -i 's/🔒/[LOCK]/g' "$TMPFILE"
-    sed -i 's/🔓/[UNLOCK]/g' "$TMPFILE"
-    sed -i 's/🔍/[SEARCH]/g' "$TMPFILE"
-    sed -i 's/🔀/[SWITCH]/g' "$TMPFILE"
-    sed -i 's/🔥/[FIRE]/g' "$TMPFILE"
-    sed -i 's/💾/[SAVE]/g' "$TMPFILE"
-    sed -i 's/🗄️/[DB]/g' "$TMPFILE"
-    sed -i 's/🗄/[DB]/g' "$TMPFILE"
-    
-    # Emojis - Time/Status
-    sed -i 's/⏱️/[TIME]/g' "$TMPFILE"
-    sed -i 's/⏱/[TIME]/g' "$TMPFILE"
-    sed -i 's/⏳/[WAIT]/g' "$TMPFILE"
-    sed -i 's/⏪/[REW]/g' "$TMPFILE"
-    sed -i 's/⏹️/[STOP]/g' "$TMPFILE"
-    sed -i 's/⏹/[STOP]/g' "$TMPFILE"
-    sed -i 's/⟳/[SYNC]/g' "$TMPFILE"
-    
-    # Emojis - Cloud
-    sed -i 's/☁️/[CLOUD]/g' "$TMPFILE"
-    sed -i 's/☁/[CLOUD]/g' "$TMPFILE"
-    sed -i 's/📤/[UPLOAD]/g' "$TMPFILE"
-    sed -i 's/📥/[DOWNLOAD]/g' "$TMPFILE"
-    sed -i 's/🗑️/[DELETE]/g' "$TMPFILE"
-    
-    # Emojis - Misc
-    sed -i 's/📈/[UP]/g' "$TMPFILE"
-    sed -i 's/📉/[DOWN]/g' "$TMPFILE"
-    sed -i 's/⌨️/[KEY]/g' "$TMPFILE"
-    sed -i 's/⌨/[KEY]/g' "$TMPFILE"
-    sed -i 's/⚙️/[CONFIG]/g' "$TMPFILE"
-    sed -i 's/⚙/[CONFIG]/g' "$TMPFILE"
-    sed -i 's/✏️/[EDIT]/g' "$TMPFILE"
-    sed -i 's/✏/[EDIT]/g' "$TMPFILE"
-    sed -i 's/⚡/[FAST]/g' "$TMPFILE"
-    
-    # Spinner characters (braille patterns for loading animations)
-    sed -i 's/⠋/|/g' "$TMPFILE"
-    sed -i 's/⠙/\//g' "$TMPFILE"
-    sed -i 's/⠹/-/g' "$TMPFILE"
-    sed -i 's/⠸/\\/g' "$TMPFILE"
-    sed -i 's/⠼/|/g' "$TMPFILE"
-    sed -i 's/⠴/\//g' "$TMPFILE"
-    sed -i 's/⠦/-/g' "$TMPFILE"
-    sed -i 's/⠧/\\/g' "$TMPFILE"
-    sed -i 's/⠇/|/g' "$TMPFILE"
-    sed -i 's/⠏/\//g' "$TMPFILE"
-    
-    # Move temp file over original
-    mv "$TMPFILE" "$file"
-done
-
-echo ""
-echo "[OK] Replacement complete!"
-echo ""
-
-# Verify
-REMAINING=$(grep -roP '[\x{80}-\x{FFFF}]' --include="*.go" . 2>/dev/null | wc -l || echo "0")
-
-echo "[INFO] Unicode characters remaining: $REMAINING"
-if [ "$REMAINING" -gt 0 ]; then
-    echo "[WARN] Some Unicode still exists (might be in comments or safe locations)"
-    echo "[INFO] Unique remaining characters:"
-    grep -roP '[\x{80}-\x{FFFF}]' --include="*.go" . 2>/dev/null | grep -oP '[\x{80}-\x{FFFF}]' | sort -u | head -20
-else
-    echo "[OK] All Unicode characters replaced with ASCII!"
-fi
-
-echo ""
-echo "[INFO] Backup: $BACKUP_DIR"
-echo "[INFO] To restore: cp -r $BACKUP_DIR/* ."
-echo ""
-echo "[INFO] Next steps:"
-echo "  1. go build"
-echo "  2. go test ./..."
-echo "  3. Test TUI: ./dbbackup"
-echo "  4. Commit: git add . && git commit -m 'v3.42.11: Replace all Unicode with ASCII'"
-echo ""

scripts/remove_emojis.sh

@@ -1,130 +0,0 @@
-#!/bin/bash
-# Remove ALL emojis/unicode symbols from Go code and replace with ASCII
-# Date: January 8, 2026
-# Issue: 638 lines contain Unicode emojis causing display issues
-
-set -euo pipefail
-
-echo "[INFO] Starting emoji removal process..."
-echo ""
-
-# Find all Go files with emojis (expanded emoji list)
-echo "[SEARCH] Finding affected files..."
-FILES=$(find . -name "*.go" -type f -not -path "*/vendor/*" -not -path "*/.git/*" | xargs grep -l -P '[\x{1F000}-\x{1FFFF}]|[\x{2300}-\x{27BF}]|[\x{2600}-\x{26FF}]' 2>/dev/null || true)
-
-if [ -z "$FILES" ]; then
-    echo "[WARN] No files with emojis found!"
-    exit 0
-fi
-
-FILECOUNT=$(echo "$FILES" | wc -l)
-echo "[INFO] Found $FILECOUNT files containing emojis"
-echo ""
-
-# Count total emojis before
-BEFORE=$(find . -name "*.go" -type f -not -path "*/vendor/*" | xargs grep -oP '[\x{1F000}-\x{1FFFF}]|[\x{2300}-\x{27BF}]|[\x{2600}-\x{26FF}]' 2>/dev/null | wc -l || echo "0")
-echo "[INFO] Total emojis found: $BEFORE"
-echo ""
-
-# Create backup
-BACKUP_DIR="backup_before_emoji_removal_$(date +%Y%m%d_%H%M%S)"
-mkdir -p "$BACKUP_DIR"
-echo "[INFO] Creating backup in $BACKUP_DIR..."
-for file in $FILES; do
-    mkdir -p "$BACKUP_DIR/$(dirname "$file")"
-    cp "$file" "$BACKUP_DIR/$file"
-done
-echo "[OK] Backup created"
-echo ""
-
-# Process each file
-echo "[INFO] Replacing emojis with ASCII equivalents..."
-PROCESSED=0
-
-for file in $FILES; do
-    PROCESSED=$((PROCESSED + 1))
-    echo "[$PROCESSED/$FILECOUNT] Processing: $file"
-    
-    # Create temp file
-    TMPFILE="${file}.tmp"
-    
-    # Status indicators
-    sed 's/✅/[OK]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/❌/[FAIL]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/✓/[+]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/✗/[-]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    
-    # Warning symbols (⚠️ has variant selector, handle both)
-    sed 's/⚠️/[WARN]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/⚠/[!]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    
-    # Info/Data symbols
-    sed 's/📊/[INFO]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/📋/[LIST]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/📁/[DIR]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/📦/[PKG]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    
-    # Target/Security
-    sed 's/🎯/[TARGET]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/🛡️/[SECURE]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/🔒/[LOCK]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/🔓/[UNLOCK]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    
-    # Actions
-    sed 's/🔍/[SEARCH]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/⏱️/[TIME]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    
-    # Cloud operations (☁️ has variant selector, handle both)
-    sed 's/☁️/[CLOUD]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/☁/[CLOUD]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/📤/[UPLOAD]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/📥/[DOWNLOAD]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/🗑️/[DELETE]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    
-    # Other
-    sed 's/📈/[UP]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/📉/[DOWN]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    
-    # Additional emojis found
-    sed 's/⌨️/[KEY]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/⌨/[KEY]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/🗄️/[DB]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/🗄/[DB]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/⚙️/[CONFIG]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/⚙/[CONFIG]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/✏️/[EDIT]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-    sed 's/✏/[EDIT]/g' "$file" > "$TMPFILE" && mv "$TMPFILE" "$file"
-done
-
-echo ""
-echo "[OK] Replacement complete!"
-echo ""
-
-# Count remaining emojis
-AFTER=$(find . -name "*.go" -type f -not -path "*/vendor/*" | xargs grep -oP '[\x{1F000}-\x{1FFFF}]|[\x{2300}-\x{27BF}]|[\x{2600}-\x{26FF}]' 2>/dev/null | wc -l || echo "0")
-
-echo "[INFO] Emojis before: $BEFORE"
-echo "[INFO] Emojis after: $AFTER"
-echo "[INFO] Emojis removed: $((BEFORE - AFTER))"
-echo ""
-
-if [ "$AFTER" -gt 0 ]; then
-    echo "[WARN] $AFTER emojis still remaining!"
-    echo "[INFO] Listing remaining emojis:"
-    find . -name "*.go" -type f -not -path "*/vendor/*" | xargs grep -nP '[\x{1F000}-\x{1FFFF}]|[\x{2300}-\x{27BF}]|[\x{2600}-\x{26FF}]' 2>/dev/null | head -20
-else
-    echo "[OK] All emojis successfully removed!"
-fi
-
-echo ""
-echo "[INFO] Backup location: $BACKUP_DIR"
-echo "[INFO] To restore: cp -r $BACKUP_DIR/* ."
-echo ""
-echo "[INFO] Next steps:"
-echo "  1. Build: go build"
-echo "  2. Test: go test ./..."
-echo "  3. Manual testing: ./dbbackup status"
-echo "  4. If OK, commit: git add . && git commit -m 'Replace emojis with ASCII'"
-echo "  5. If broken, restore: cp -r $BACKUP_DIR/* ."
-echo ""
-echo "[OK] Emoji removal script completed!"