diff --git a/HUGE_DATABASE_QUICK_START.md b/HUGE_DATABASE_QUICK_START.md
deleted file mode 100644
index b5eca09..0000000
--- a/HUGE_DATABASE_QUICK_START.md
+++ /dev/null
@@ -1,268 +0,0 @@
-# 🚀 Huge Database Backup - Quick Start Guide
-
-## Problem Solved
-✅ **"signal: killed" errors on large PostgreSQL databases with BLOBs**
-
-## What Changed
-
-### Before (❌ Failing)
-- Memory: Buffered entire database in RAM
-- Format: Custom format with TOC overhead
-- Compression: In-memory compression (high CPU/RAM)
-- Result: **OOM killed on 20GB+ databases**
-
-### After (✅ Working)
-- Memory: **Constant <1GB** regardless of database size
-- Format: Auto-selects plain format for >5GB databases  
-- Compression: Streaming `pg_dump | pigz` (zero-copy)
-- Result: **Handles 100GB+ databases**
-
-## Usage
-
-### Interactive Mode (Recommended)
-```bash
-./dbbackup interactive
-
-# Then select:
-# → Backup Execution
-# → Cluster Backup
-```
-
-The tool will automatically:
-1. Detect database sizes
-2. Use plain format for databases >5GB
-3. Stream compression with pigz
-4. Cap compression at level 6
-5. Set 2-hour timeout per database
-
-### Command Line Mode
-```bash
-# Basic cluster backup (auto-optimized)
-./dbbackup backup cluster
-
-# With custom settings
-./dbbackup backup cluster \
-  --dump-jobs 4 \
-  --compression 6 \
-  --auto-detect-cores
-
-# For maximum performance
-./dbbackup backup cluster \
-  --dump-jobs 8 \
-  --compression 3 \
-  --jobs 16
-```
-
-## Optimizations Applied
-
-### 1. Smart Format Selection ✅
-- **Small DBs (<5GB)**: Custom format with compression
-- **Large DBs (>5GB)**: Plain format + external compression
-- **Benefit**: No TOC memory overhead
-
-### 2. Streaming Compression ✅
-```
-pg_dump → stdout → pigz → disk
-(no Go buffers in between)
-```
-- **Memory**: Constant 64KB pipe buffer
-- **Speed**: Parallel compression with all CPU cores
-- **Benefit**: 90% memory reduction
-
-### 3. Direct File Writing ✅
-- pg_dump writes **directly to disk**
-- No Go stdout/stderr buffering
-- **Benefit**: Zero-copy I/O
-
-### 4. Resource Limits ✅
-- **Compression**: Capped at level 6 (was 9)
-- **Timeout**: 2 hours per database (was 30 min)
-- **Parallel**: Configurable dump jobs
-- **Benefit**: Prevents hangs and OOM
-
-### 5. Size Detection ✅
-- Check database size before backup
-- Warn on databases >10GB
-- Choose optimal strategy
-- **Benefit**: User visibility
-
-## Performance Comparison
-
-### Test Database: 25GB with 15GB BLOB Table
-
-| Metric | Before | After | Improvement |
-|--------|--------|-------|-------------|
-| Memory Usage | 8.2GB | 850MB | **90% reduction** |
-| Backup Time | FAILED (OOM) | 18m 45s | **✅ Works!** |
-| CPU Usage | 98% (1 core) | 45% (8 cores) | Better utilization |
-| Disk I/O | Buffered | Streaming | Faster |
-
-### Test Database: 100GB with Multiple BLOB Tables
-
-| Metric | Before | After | Improvement |
-|--------|--------|-------|-------------|
-| Memory Usage | FAILED (OOM) | 920MB | **✅ Works!** |
-| Backup Time | N/A | 67m 12s | Successfully completes |
-| Compression | N/A | 72.3GB | 27.7% reduction |
-| Status | ❌ Killed | ✅ Success | Fixed! |
-
-## Troubleshooting
-
-### Still Getting "signal: killed"?
-
-#### Check 1: Disk Space
-```bash
-df -h /path/to/backups
-```
-Ensure 2x database size available.
-
-#### Check 2: System Resources
-```bash
-# Check available memory
-free -h
-
-# Check for OOM killer
-dmesg | grep -i "killed process"
-```
-
-#### Check 3: PostgreSQL Configuration
-```bash
-# Check work_mem setting
-psql -c "SHOW work_mem;"
-
-# Recommended for backups:
-# work_mem = 64MB (not 1GB+)
-```
-
-#### Check 4: Use Lower Compression
-```bash
-# Try compression level 3 (faster, less memory)
-./dbbackup backup cluster --compression 3
-```
-
-### Performance Tuning
-
-#### For Maximum Speed
-```bash
-./dbbackup backup cluster \
-  --compression 1 \       # Fastest compression
-  --dump-jobs 8 \         # Parallel dumps
-  --jobs 16               # Max compression threads
-```
-
-#### For Maximum Compression
-```bash
-./dbbackup backup cluster \
-  --compression 6 \       # Best ratio (safe)
-  --dump-jobs 2           # Conservative
-```
-
-#### For Huge Machines (64+ cores)
-```bash
-./dbbackup backup cluster \
-  --auto-detect-cores \   # Auto-optimize
-  --compression 6
-```
-
-## System Requirements
-
-### Minimum
-- RAM: 2GB
-- Disk: 2x database size
-- CPU: 2 cores
-
-### Recommended
-- RAM: 4GB+
-- Disk: 3x database size (for temp files)
-- CPU: 4+ cores (for parallel compression)
-
-### Optimal (for 100GB+ databases)
-- RAM: 8GB+
-- Disk: Fast SSD with 4x database size
-- CPU: 8+ cores
-- Network: 1Gbps+ (for remote backups)
-
-## Optional: Install pigz for Faster Compression
-
-```bash
-# Debian/Ubuntu
-apt-get install pigz
-
-# RHEL/CentOS
-yum install pigz
-
-# Check installation
-which pigz
-```
-
-**Benefit**: 3-5x faster compression on multi-core systems
-
-## Monitoring Backup Progress
-
-### Watch Backup Directory
-```bash
-watch -n 5 'ls -lh /path/to/backups | tail -10'
-```
-
-### Monitor System Resources
-```bash
-# Terminal 1: Monitor memory
-watch -n 2 'free -h'
-
-# Terminal 2: Monitor I/O
-watch -n 2 'iostat -x 2 1'
-
-# Terminal 3: Run backup
-./dbbackup backup cluster
-```
-
-### Check PostgreSQL Activity
-```sql
--- Active backup connections
-SELECT * FROM pg_stat_activity 
-WHERE application_name LIKE 'pg_dump%';
-
--- Current transaction locks
-SELECT * FROM pg_locks 
-WHERE granted = true;
-```
-
-## Recovery Testing
-
-Always test your backups!
-
-```bash
-# Test restore (dry run)
-./dbbackup restore /path/to/backup.sql.gz \
-  --verify-only
-
-# Full restore to test database
-./dbbackup restore /path/to/backup.sql.gz \
-  --database testdb
-```
-
-## Next Steps
-
-### Production Deployment
-1. ✅ Test on staging database first
-2. ✅ Run during low-traffic window
-3. ✅ Monitor system resources
-4. ✅ Verify backup integrity
-5. ✅ Test restore procedure
-
-### Future Enhancements (Roadmap)
-- [ ] Resume capability on failure
-- [ ] Chunked backups (1GB chunks)
-- [ ] BLOB external storage
-- [ ] Native libpq integration (CGO)
-- [ ] Distributed backup (multi-node)
-
-## Support
-
-See full optimization plan: `LARGE_DATABASE_OPTIMIZATION_PLAN.md`
-
-**Issues?** Open a bug report with:
-- Database size
-- System specs (RAM, CPU, disk)
-- Error messages
-- `dmesg` output if OOM killed
diff --git a/LARGE_DATABASE_OPTIMIZATION_PLAN.md b/LARGE_DATABASE_OPTIMIZATION_PLAN.md
deleted file mode 100644
index 90805d1..0000000
--- a/LARGE_DATABASE_OPTIMIZATION_PLAN.md
+++ /dev/null
@@ -1,324 +0,0 @@
-# 🚀 Large Database Optimization Plan
-
-## Problem Statement
-Cluster backups failing with "signal: killed" on huge PostgreSQL databases with large BLOB data (multi-GB tables).
-
-## Root Cause
-- **Memory Buffering**: Go processes buffering stdout/stderr in memory
-- **Custom Format Overhead**: pg_dump custom format requires memory for TOC
-- **Compression Memory**: High compression levels (7-9) use excessive RAM
-- **No Streaming**: Data flows through multiple Go buffers before disk
-
-## Solution Architecture
-
-### Phase 1: Immediate Optimizations (✅ IMPLEMENTED)
-
-#### 1.1 Direct File Writing
-- ✅ Use `pg_dump --file=output.dump` to write directly to disk
-- ✅ Eliminate Go stdout buffering
-- ✅ Zero-copy from pg_dump to filesystem
-- **Memory Reduction: 80%**
-
-#### 1.2 Smart Format Selection
-- ✅ Auto-detect database size before backup
-- ✅ Use plain format for databases > 5GB
-- ✅ Disable custom format TOC overhead
-- **Speed Increase: 40-50%**
-
-#### 1.3 Optimized Compression Pipeline
-- ✅ Use streaming: `pg_dump | pigz -p N > file.gz`
-- ✅ Parallel compression with pigz
-- ✅ No intermediate buffering
-- **Memory Reduction: 90%**
-
-#### 1.4 Per-Database Resource Limits
-- ✅ 2-hour timeout per database
-- ✅ Compression level capped at 6
-- ✅ Parallel dump jobs configurable
-- **Reliability: Prevents hangs**
-
-### Phase 2: Native Library Integration (NEXT SPRINT)
-
-#### 2.1 Replace lib/pq with pgx v5
-**Current:** `github.com/lib/pq` (pure Go, high memory)
-**Target:** `github.com/jackc/pgx/v5` (optimized, native)
-
-**Benefits:**
-- 50% lower memory usage
-- Better connection pooling
-- Native COPY protocol support
-- Batch operations
-
-**Migration:**
-```go
-// Replace:
-import _ "github.com/lib/pq"
-db, _ := sql.Open("postgres", dsn)
-
-// With:
-import "github.com/jackc/pgx/v5/pgxpool"
-pool, _ := pgxpool.New(ctx, dsn)
-```
-
-#### 2.2 Direct COPY Protocol
-Stream data without pg_dump:
-
-```go
-// Export using COPY TO STDOUT
-conn.CopyTo(ctx, writer, "COPY table TO STDOUT BINARY")
-
-// Import using COPY FROM STDIN  
-conn.CopyFrom(ctx, table, columns, reader)
-```
-
-**Benefits:**
-- No pg_dump process overhead
-- Direct binary protocol
-- Zero-copy streaming
-- 70% faster for large tables
-
-### Phase 3: Advanced Features (FUTURE)
-
-#### 3.1 Chunked Backup Mode
-```bash
-./dbbackup backup cluster --mode chunked --chunk-size 1GB
-```
-
-**Output:**
-```
-backups/
-├── cluster_20251104_chunk_001.sql.gz (1.0GB)
-├── cluster_20251104_chunk_002.sql.gz (1.0GB)
-├── cluster_20251104_chunk_003.sql.gz (856MB)
-└── cluster_20251104_manifest.json
-```
-
-**Benefits:**
-- Resume on failure
-- Parallel processing
-- Smaller memory footprint
-- Better error isolation
-
-#### 3.2 BLOB External Storage
-```bash
-./dbbackup backup single mydb --blob-mode external
-```
-
-**Output:**
-```
-backups/
-├── mydb_schema.sql.gz       # Schema + small data
-├── mydb_blobs.tar.gz        # Packed BLOBs
-└── mydb_blobs/              # Individual BLOBs
-    ├── blob_000001.bin
-    ├── blob_000002.bin
-    └── ...
-```
-
-**Benefits:**
-- BLOBs stored as files
-- Deduplicated storage
-- Selective restore
-- Cloud storage friendly
-
-#### 3.3 Parallel Table Export
-```bash
-./dbbackup backup single mydb --parallel-tables 4
-```
-
-Export multiple tables simultaneously:
-```
-workers: [table1] [table2] [table3] [table4]
-         ↓        ↓        ↓        ↓
-         file1    file2    file3    file4
-```
-
-**Benefits:**
-- 4x faster for multi-table DBs
-- Better CPU utilization
-- Independent table recovery
-
-### Phase 4: Operating System Tuning
-
-#### 4.1 Kernel Parameters
-```bash
-# /etc/sysctl.d/99-dbbackup.conf
-vm.overcommit_memory = 1
-vm.swappiness = 10
-vm.dirty_ratio = 10
-vm.dirty_background_ratio = 5
-```
-
-#### 4.2 Process Limits
-```bash
-# /etc/security/limits.d/dbbackup.conf
-postgres soft nofile 65536
-postgres hard nofile 65536
-postgres soft nproc 32768
-postgres hard nproc 32768
-```
-
-#### 4.3 I/O Scheduler
-```bash
-# For database workloads
-echo deadline > /sys/block/sda/queue/scheduler
-echo 0 > /sys/block/sda/queue/add_random
-```
-
-#### 4.4 Filesystem Options
-```bash
-# Mount with optimal flags for large files
-mount -o noatime,nodiratime,data=writeback /dev/sdb1 /backups
-```
-
-### Phase 5: CGO Native Integration (ADVANCED)
-
-#### 5.1 Direct libpq C Bindings
-```go
-// #cgo LDFLAGS: -lpq
-// #include <libpq-fe.h>
-import "C"
-
-func nativeExport(conn *C.PGconn, table string) {
-    result := C.PQexec(conn, C.CString("COPY table TO STDOUT"))
-    // Direct memory access, zero-copy
-}
-```
-
-**Benefits:**
-- Lowest possible overhead
-- Direct memory access
-- Native PostgreSQL protocol
-- Maximum performance
-
-## Implementation Timeline
-
-### Week 1: Quick Wins ✅ DONE
-- [x] Direct file writing
-- [x] Smart format selection  
-- [x] Streaming compression
-- [x] Resource limits
-- [x] Size detection
-
-### Week 2: Testing & Validation
-- [ ] Test on 10GB+ databases
-- [ ] Test on 50GB+ databases  
-- [ ] Test on 100GB+ databases
-- [ ] Memory profiling
-- [ ] Performance benchmarks
-
-### Week 3: Native Integration
-- [ ] Integrate pgx v5
-- [ ] Implement COPY protocol
-- [ ] Connection pooling
-- [ ] Batch operations
-
-### Week 4: Advanced Features
-- [ ] Chunked backup mode
-- [ ] BLOB external storage
-- [ ] Parallel table export
-- [ ] Resume capability
-
-### Month 2: Production Hardening
-- [ ] CGO integration (optional)
-- [ ] Distributed backup
-- [ ] Cloud streaming
-- [ ] Multi-region support
-
-## Performance Targets
-
-### Current Issues
-- ❌ Cluster backup fails on 20GB+ databases
-- ❌ Memory usage: ~8GB for 10GB database
-- ❌ Speed: 50MB/s
-- ❌ Crashes with OOM
-
-### Target Metrics (Phase 1)
-- ✅ Cluster backup succeeds on 100GB+ databases
-- ✅ Memory usage: <1GB constant regardless of DB size
-- ✅ Speed: 150MB/s (with pigz)
-- ✅ No OOM kills
-
-### Target Metrics (Phase 2)
-- ✅ Memory usage: <500MB constant
-- ✅ Speed: 250MB/s (native COPY)
-- ✅ Resume on failure
-- ✅ Parallel processing
-
-### Target Metrics (Phase 3)
-- ✅ Memory usage: <200MB constant  
-- ✅ Speed: 400MB/s (chunked parallel)
-- ✅ Selective restore
-- ✅ Cloud streaming
-
-## Testing Strategy
-
-### Test Databases
-1. **Small** (1GB) - Baseline
-2. **Medium** (10GB) - Common case
-3. **Large** (50GB) - BLOB heavy
-4. **Huge** (100GB+) - Stress test
-5. **Extreme** (500GB+) - Edge case
-
-### Test Scenarios
-- Single table with 50GB BLOB column
-- Multiple tables (1000+ tables)
-- High transaction rate during backup
-- Network interruption (resume)
-- Disk space exhaustion
-- Memory pressure (8GB RAM limit)
-
-### Success Criteria
-- ✅ Zero OOM kills
-- ✅ Constant memory usage (<1GB)
-- ✅ Successful completion on all test sizes
-- ✅ Resume capability
-- ✅ Data integrity verification
-
-## Monitoring & Observability
-
-### Metrics to Track
-```go
-type BackupMetrics struct {
-    MemoryUsageMB     int64
-    DiskIORate        int64  // bytes/sec
-    CPUUsagePercent   float64
-    DatabaseSizeGB    float64
-    BackupDurationSec int64
-    CompressionRatio  float64
-    ErrorCount        int
-}
-```
-
-### Logging Enhancements
-- Per-table progress
-- Memory consumption tracking
-- I/O rate monitoring
-- Compression statistics
-- Error recovery actions
-
-## Risk Mitigation
-
-### Risks
-1. **Disk Space** - Backup size unknown until complete
-2. **Time** - Very long backup windows
-3. **Network** - Remote backup failures
-4. **Corruption** - Data integrity issues
-
-### Mitigations
-1. **Pre-flight check** - Estimate backup size
-2. **Timeouts** - Per-database limits
-3. **Retry logic** - Exponential backoff
-4. **Checksums** - Verify after backup
-
-## Conclusion
-
-This plan provides a phased approach to handle massive PostgreSQL databases:
-
-- **Phase 1** (✅ DONE): Immediate 80-90% memory reduction
-- **Phase 2**: Native library integration for better performance
-- **Phase 3**: Advanced features for production use
-- **Phase 4**: System-level optimizations
-- **Phase 5**: Maximum performance with CGO
-
-The current implementation should handle 100GB+ databases without OOM issues.
diff --git a/PRIORITY2_PGX_INTEGRATION.md b/PRIORITY2_PGX_INTEGRATION.md
deleted file mode 100644
index 3214953..0000000
--- a/PRIORITY2_PGX_INTEGRATION.md
+++ /dev/null
@@ -1,296 +0,0 @@
-# ✅ Phase 2 Complete: Native pgx Integration
-
-## Migration Summary
-
-### **Replaced lib/pq with jackc/pgx v5**
-
-**Before:**
-```go
-import _ "github.com/lib/pq"
-db, _ := sql.Open("postgres", dsn)
-```
-
-**After:**
-```go
-import "github.com/jackc/pgx/v5/pgxpool"
-pool, _ := pgxpool.NewWithConfig(ctx, config)
-db := stdlib.OpenDBFromPool(pool)
-```
-
----
-
-## Performance Improvements
-
-### **Memory Usage**
-| Workload | lib/pq | pgx v5 | Improvement |
-|----------|---------|--------|-------------|
-| 10GB DB | 2.1GB | 1.1GB | **48% reduction** |
-| 50GB DB | OOM | 1.3GB | **✅ Works now** |
-| 100GB DB | OOM | 1.4GB | **✅ Works now** |
-
-### **Connection Performance**
-- **50% faster** connection establishment
-- **Better connection pooling** (2-10 connections)
-- **Lower overhead** per query
-- **Native prepared statements**
-
-### **Query Performance**
-- **30% faster** for large result sets
-- **Zero-copy** binary protocol
-- **Better BLOB handling**
-- **Streaming** large queries
-
----
-
-## Technical Benefits
-
-### 1. **Connection Pooling** ✅
-```go
-config.MaxConns = 10          // Max connections
-config.MinConns = 2           // Keep ready
-config.HealthCheckPeriod = 1m // Auto-heal
-```
-
-### 2. **Runtime Optimization** ✅
-```go
-config.ConnConfig.RuntimeParams["work_mem"] = "64MB"
-config.ConnConfig.RuntimeParams["maintenance_work_mem"] = "256MB"
-```
-
-### 3. **Binary Protocol** ✅
-- Native binary encoding/decoding
-- Lower CPU usage for type conversion
-- Better performance for BLOB data
-
-### 4. **Better Error Handling** ✅
-- Detailed error codes (SQLSTATE)
-- Connection retry logic built-in
-- Graceful degradation
-
----
-
-## Code Changes
-
-### Files Modified:
-1. **`internal/database/postgresql.go`**
-   - Added `pgxpool.Pool` field
-   - Implemented `buildPgxDSN()` with URL format
-   - Optimized connection config
-   - Custom Close() to handle both pool and db
-
-2. **`internal/database/interface.go`**
-   - Replaced lib/pq import with pgx/stdlib
-   - Updated driver registration
-
-3. **`go.mod`**
-   - Added `github.com/jackc/pgx/v5 v5.7.6`
-   - Added `github.com/jackc/puddle/v2 v2.2.2` (pool manager)
-   - Removed `github.com/lib/pq v1.10.9`
-
----
-
-## Connection String Format
-
-### **pgx URL Format**
-```
-postgres://user:password@host:port/database?sslmode=prefer&pool_max_conns=10
-```
-
-### **Features:**
-- Standard PostgreSQL URL format
-- Better parameter support
-- Connection pool settings in URL
-- SSL configuration
-- Application name tracking
-
----
-
-## Compatibility
-
-### **Backward Compatible** ✅
-- Still uses `database/sql` interface
-- No changes to backup/restore commands
-- Existing code works unchanged
-- Same pg_dump/pg_restore tools
-
-### **New Capabilities** 🚀
-- Native connection pooling
-- Better resource management
-- Automatic connection health checks
-- Lower memory footprint
-
----
-
-## Testing Results
-
-### Test 1: Simple Connection
-```bash
-./dbbackup --db-type postgres status
-```
-**Result:** ✅ Connected successfully with pgx driver
-
-### Test 2: Large Database Backup
-```bash
-./dbbackup backup cluster
-```
-**Result:** ✅ Memory usage 48% lower than lib/pq
-
-### Test 3: Concurrent Operations
-```bash
-./dbbackup backup cluster --dump-jobs 8
-```
-**Result:** ✅ Better connection pool utilization
-
----
-
-## Migration Path
-
-### For Users:
-**✅ No action required!**
-- Drop-in replacement
-- Same commands work
-- Same configuration
-- Better performance automatically
-
-### For Developers:
-```bash
-# Update dependencies
-go get github.com/jackc/pgx/v5@latest
-go get github.com/jackc/pgx/v5/pgxpool@latest
-go mod tidy
-
-# Build
-go build -o dbbackup .
-
-# Test
-./dbbackup status
-```
-
----
-
-## Future Enhancements (Phase 3)
-
-### 1. **Native COPY Protocol** 🎯
-Use pgx's COPY support for direct data streaming:
-
-```go
-// Instead of pg_dump, use native COPY
-conn.CopyFrom(ctx, pgx.Identifier{"table"}, 
-    []string{"col1", "col2"}, 
-    readerFunc)
-```
-
-**Benefits:**
-- No pg_dump process overhead
-- Direct binary protocol
-- 50-70% faster for large tables
-- Real-time progress tracking
-
-### 2. **Batch Operations** 🎯
-```go
-batch := &pgx.Batch{}
-batch.Queue("SELECT * FROM table1")
-batch.Queue("SELECT * FROM table2")
-results := conn.SendBatch(ctx, batch)
-```
-
-**Benefits:**
-- Multiple queries in one round-trip
-- Lower network overhead
-- Better throughput
-
-### 3. **Listen/Notify for Progress** 🎯
-```go
-conn.Listen(ctx, "backup_progress")
-// Real-time progress updates from database
-```
-
-**Benefits:**
-- Live progress from database
-- No polling required
-- Better user experience
-
----
-
-## Performance Benchmarks
-
-### Connection Establishment
-```
-lib/pq:  avg 45ms, max 120ms
-pgx v5:  avg 22ms, max 55ms
-Result:  51% faster
-```
-
-### Large Query (10M rows)
-```
-lib/pq:  memory 2.1GB, time 42s
-pgx v5:  memory 1.1GB, time 29s  
-Result:  48% less memory, 31% faster
-```
-
-### BLOB Handling (5GB binary data)
-```
-lib/pq:  memory 8.2GB, OOM killed
-pgx v5:  memory 1.3GB, completed
-Result:  ✅ Works vs fails
-```
-
----
-
-## Troubleshooting
-
-### Issue: "Peer authentication failed"
-**Solution:** Use password authentication or configure pg_hba.conf
-
-```bash
-# Test with explicit auth
-./dbbackup --host localhost --user myuser --password mypass status
-```
-
-### Issue: "Pool exhausted"
-**Solution:** Increase max connections in config
-
-```go
-config.MaxConns = 20  // Increase from 10
-```
-
-### Issue: "Connection timeout"
-**Solution:** Check network and increase timeout
-
-```
-postgres://user:pass@host:port/db?connect_timeout=30
-```
-
----
-
-## Documentation
-
-### Related Files:
-- `LARGE_DATABASE_OPTIMIZATION_PLAN.md` - Overall optimization strategy
-- `HUGE_DATABASE_QUICK_START.md` - User guide for large databases
-- `PRIORITY2_PGX_INTEGRATION.md` - This file
-
-### References:
-- [pgx Documentation](https://github.com/jackc/pgx)
-- [pgxpool Guide](https://pkg.go.dev/github.com/jackc/pgx/v5/pgxpool)
-- [PostgreSQL Connection Pooling](https://www.postgresql.org/docs/current/runtime-config-connection.html)
-
----
-
-## Conclusion
-
-✅ **Phase 2 Complete**: Native pgx integration successful
-
-**Key Achievements:**
-- 48% memory reduction
-- 30-50% performance improvement
-- Better resource management
-- Production-ready and tested
-- Backward compatible
-
-**Next Steps:**
-- Phase 3: Native COPY protocol
-- Chunked backup implementation
-- Resume capability
-
-The foundation is now ready for advanced optimizations! 🚀
diff --git a/QUICKRUN.MD b/QUICKRUN.MD
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-# DB Backup Tool - Quick Start Guide
-
-## 🌟 NEW: Real-Time Progress Tracking!
-
-The database backup tool now includes **enhanced progress tracking** with:
-- � **Live progress bars** with percentage completion
-- ⏱️ **Real-time timing** and performance metrics  
-- 📝 **Detailed logging** with timestamps
-- 🎨 **Beautiful interactive UI** with color indicators
-
-## �🚀 Quick Installation
-
-### Option 1: Pre-compiled Binary (Recommended)
-```bash
-# Linux AMD64
-./bin/dbbackup_linux_amd64
-chmod +x ./bin/dbbackup_linux_amd64
-
-# Linux ARM64  
-./bin/dbbackup_linux_arm64
-chmod +x ./bin/dbbackup_linux_arm64
-
-# macOS Intel
-./bin/dbbackup_darwin_amd64
-chmod +x ./bin/dbbackup_darwin_amd64
-
-# macOS M1/M2
-./bin/dbbackup_darwin_arm64  
-chmod +x ./bin/dbbackup_darwin_arm64
-
-# Windows
-./bin/dbbackup_windows_amd64.exe
-```
-
-### Option 2: Build from Source
-```bash
-git clone https://git.uuxo.net/renz/dbbackup.git
-cd dbbackup
-go build -o dbbackup .
-```
-
-## ⚡ Quick Start with Progress Tracking
-
-### 🎨 Enhanced Interactive Mode (Best for Beginners)
-```bash
-# Start with real-time progress tracking
-dbbackup interactive --database your_database
-
-# Example with PostgreSQL
-dbbackup interactive --database postgres --host localhost --user postgres
-```
-
-> Tip: In the interactive menu, tap the left/right arrows (or `t`) to toggle between PostgreSQL and MySQL/MariaDB before starting a task.
-
-### 📊 Command Line with Progress
-```bash
-# Single backup with live progress
-dbbackup backup single your_database --progress
-
-# Cluster backup with detailed logging  
-dbbackup backup cluster --progress --verbose --timestamps
-```
-
-## 🎬 Progress Tracking in Action
-
-### Real-Time Progress Display
-```bash
-🔄 PostgreSQL Backup [67%] - Compressing archive...
-    [███████████████▒▒▒▒▒▒▒] 
-    ⏱️  Elapsed: 1m 45.2s | ETA: 42s
-    📁 Files: 18/25 processed
-    💾 Data: 1.4GB/2.1GB transferred
-    
-    Steps:
-    ✅ Prepare backup directory
-    ✅ Build backup command  
-    ✅ Execute database backup
-    🔄 Verify backup file
-    ⏳ Create metadata file
-    
-    Details:
-    database: postgres | type: single | compression: 6
-    output_file: /backups/db_postgres_20241203_143527.dump
-```
-
-### Post-Operation Summary
-```bash
-✅ Single database backup completed: db_postgres_20241203_143527.dump
-
-📊 Operation Summary:
-  Total: 1 | Completed: 1 | Failed: 0 | Running: 0
-  Total Duration: 2m 18.7s
-
-📁 Backup Details:
-  File: /backups/db_postgres_20241203_143527.dump
-  Size: 1.1GB (compressed from 2.1GB)
-  Verification: PASSED
-  Metadata: Created successfully
-```
-
-### Command Line (For Scripts/Automation)
-
-#### PostgreSQL Examples
-```bash
-# Single database backup (auto-optimized)
-dbbackup backup single myapp_db --db-type postgres
-
-# Sample backup (10% of data)
-dbbackup backup sample myapp_db --sample-ratio 10 --db-type postgres
-
-# Full cluster backup
-dbbackup backup cluster --db-type postgres
-
-# Check connection
-dbbackup status --db-type postgres
-```
-
-#### MySQL Examples
-```bash
-# Single database backup
-dbbackup backup single myapp_db --db-type mysql
-
-# Using the short flag for database selection
-dbbackup backup single myapp_db -d mysql
-
-# Sample backup
-dbbackup backup sample myapp_db --sample-ratio 10 --db-type mysql
-
-# Check connection
-dbbackup status --db-type mysql
-```
-
-## 🧠 CPU Optimization Commands
-
-```bash
-# Show CPU information and recommendations
-dbbackup cpu
-
-# Auto-optimize for your hardware
-dbbackup backup single mydb --auto-detect-cores
-
-# Manual configuration for big servers
-dbbackup backup cluster --jobs 16 --dump-jobs 8 --max-cores 32
-```
-
-## 🔧 Common Options
-
-| Option | Description | Example |
-|--------|-------------|---------|
-| `--host` | Database host | `--host db.example.com` |
-| `--port` | Database port | `--port 5432` |
-| `--user` | Database user | `--user backup_user` |
-| `-d`, `--db-type` | Database type (`postgres`, `mysql`, `mariadb`) | `-d mysql` |
-| `--insecure` | Disable SSL | `--insecure` |
-| `--jobs` | Parallel jobs | `--jobs 8` |
-| `--debug` | Debug mode | `--debug` |
-
-### PostgreSQL Quick Options
-
-- Default target is PostgreSQL; explicitly add `--db-type postgres` when switching between engines in scripts.
-- Run as the `postgres` OS user for local clusters: `sudo -u postgres dbbackup ...` ensures socket authentication succeeds.
-- Pick an SSL strategy: omit `--ssl-mode` for local sockets, use `--ssl-mode require` (or stricter) for remote TLS, or `--insecure` to disable TLS.
-- Cluster backups (`backup cluster`) and plain `.dump` restores are PostgreSQL-only operations.
-
-### MySQL / MariaDB Quick Options
-
-- Select the engine with `--db-type mysql` (or `mariadb`); supply `--host`, `--port 3306`, `--user`, `--password`, and `--database` explicitly.
-- Use `--insecure` to emit `--skip-ssl`; choose `--ssl-mode require|verify-ca|verify-identity` when TLS is mandatory.
-- MySQL dumps are gzipped SQL scripts (`*.sql.gz`); the restore preview shows `gunzip -c ... | mysql` so you know the exact pipeline.
-- Credentials can also come from `MYSQL_PWD` or option files if you prefer not to use the `--password` flag.
-
-## 📁 Available Binaries
-
-Choose the right binary for your platform:
-
-- **Linux**: `dbbackup_linux_amd64`, `dbbackup_linux_arm64`
-- **macOS**: `dbbackup_darwin_amd64`, `dbbackup_darwin_arm64`
-- **Windows**: `dbbackup_windows_amd64.exe`
-- **BSD**: `dbbackup_freebsd_amd64`, `dbbackup_openbsd_amd64`
-
-## 🆘 Need Help?
-
-```bash
-# General help
-dbbackup --help
-
-# Command-specific help
-dbbackup backup --help
-dbbackup backup single --help
-
-# Check CPU configuration
-dbbackup cpu
-
-# Test connection
-dbbackup status --debug
-```
-
-For complete documentation, see `README.md`.
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