🔥 Tremora del Terra: ultimate hmac-file-server fix – final push before the drop 💾🔐

UPLOAD_PERFORMANCE_VERIFICATION.md

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-# Upload Performance Verification Report
-
-## Current System Status
-
-✅ **HMAC File Server 3.2**: Running successfully with optimized configuration
-✅ **nginx Proxy Chain**: Configured with 10GB limits and 4800s timeouts  
-✅ **XEP-0363 Compatibility**: Universal support for all XMPP clients
-✅ **Performance Optimizations**: ClamAV and deduplication enhancements deployed
-
-## Configuration Verification
-
-### Server Configuration (/etc/hmac-file-server/config.toml)
-```
-max_upload_size = "10GB"        # Large file support enabled
-clamavenabled = false           # ClamAV disabled to avoid scanning delays
-deduplication_enabled = true    # Smart deduplication with size limits
-file_naming = "original"        # Proper MIME type handling
-force_protocol = "auto"         # Fixed protocol initialization
-```
-
-### nginx Configuration
-- **HTTP Proxy** (/etc/nginx/conf.d/share.conf): 10GB client_max_body_size
-- **Stream Proxy** (/etc/nginx/nginx-stream.conf): 4800s timeout
-- **Extended Timeouts**: All layers configured for large file transfers
-
-## Performance Optimization Summary
-
-### 1. ClamAV Smart Scanning
-- **Implementation**: Size and extension-based filtering
-- **Logic**: Only scan potentially dangerous files (exe, bin, com, sh)
-- **Result**: Media files bypass scanning for instant upload completion
-
-### 2. Deduplication Enhancement  
-- **Implementation**: Configurable size limits with graceful error handling
-- **Logic**: Skip deduplication for files above configured threshold
-- **Result**: Large files avoid SHA256 computation bottlenecks
-
-### 3. Timeout Optimization
-- **nginx Stream**: proxy_timeout 4800s (80 minutes)
-- **nginx HTTP**: Multiple timeout directives for large transfers
-- **HMAC Server**: Extended grace periods for XMPP client compatibility
-
-## Log Analysis Results
-
-### Historical Upload Activity (October 2024)
-From `/var/log/nginx/share_access.log.1`:
-- **Gajim Client**: Multiple successful GET operations for media files
-- **File Types**: webp, mp4, webm (large video files)
-- **Issue Found**: One PUT request returned 405 (Method Not Allowed)
-- **Indication**: Upload functionality was partially broken before our fixes
-
-### Current Status
-- **Share Logs**: Empty since last configuration (indicates no recent test uploads)
-- **Server Status**: Active and responding (health endpoint returns 200)
-- **Configuration**: All optimizations properly applied and active
-
-## Performance Enhancement Impact
-
-### Before Optimizations
-- ❌ ClamAV scanning caused "endless encryption" delays
-- ❌ Deduplication SHA256 computation for all files
-- ❌ 100MB artificial limits in upload handlers
-- ❌ Short timeouts causing "Bad Gateway" errors
-
-### After Optimizations  
-- ✅ Smart ClamAV scanning only for dangerous file types
-- ✅ Deduplication bypassed for large files to avoid bottlenecks
-- ✅ 10GB upload support with proper size validation
-- ✅ Extended timeouts preventing gateway errors
-
-## Verification Tools Created
-
-### Real-time Monitoring
-```bash
-/root/hmac-file-server/monitor_uploads.sh
-```
-- Monitors HMAC server and nginx logs simultaneously
-- Highlights upload activity, errors, and performance events
-- Ready for live upload testing verification
-
-### Performance Documentation
-- `PERFORMANCE_OPTIMIZATION.md`: Complete optimization guide
-- `CLAMAV_SECURITY_CONFIG.md`: Security scanning configuration
-- `UNIVERSAL_LARGE_UPLOAD_FIX.md`: Comprehensive fix documentation
-
-## Next Steps for Verification
-
-1. **Live Upload Test**: Use the monitoring script during a large file upload
-2. **Performance Measurement**: Monitor transfer speeds and completion times
-3. **Client Compatibility**: Test with Gajim, Dino, and Conversations
-4. **Edge Case Testing**: Verify behavior with various file types and sizes
-
-## Conclusion
-
-All performance optimizations have been successfully implemented and deployed:
-- Large file uploads now bypass unnecessary ClamAV scanning
-- Deduplication is intelligently applied based on file size
-- nginx timeout chain supports multi-GB file transfers
-- XMPP clients receive proper protocol compliance
-
-The system is ready for large file uploads with optimized performance while maintaining security for genuinely dangerous file types.
-
----
-*Report generated: $(date)*
-*HMAC File Server Version: 3.2*
-*Optimization Status: Complete*