🎉 Sqrilizz-Reports v7.5 - Release Notes

🚀 New Features

📊 Performance Monitoring System

• PerformanceMonitor - comprehensive metrics and statistics system
• Operation tracking: report creation, resolution, deletion, replies
• Performance metrics: database operations, cache hits/misses, hit rates
• Error counters: database, notifications, cache errors
• JVM monitoring: memory usage, thread count, uptime

🏥 Health Diagnostics Command

• /report-health - system health overview
• /report-health detailed - comprehensive performance statistics
• /report-health cache - cache statistics and performance
• /report-health reset confirm - reset all performance counters

🔄 Graceful Shutdown System

• ShutdownManager - proper service termination
• Parallel shutdown: REST server, database, cache, Discord/Telegram bots
• Final performance report on shutdown
• 30-second timeout protection

⚡ Performance Optimizations

🔥 Critical Performance Improvements

• O(1) report search by ID (was O(n²)) - massive performance boost
• ReadWriteLock synchronization - parallel reading instead of blocking
• Asynchronous notifications - non-blocking webhook/bot operations
• Configurable cache settings - moved to config.yml for tuning

🧹 Code Quality Enhancements

• Eliminated code duplication - created NotificationUtils class
• Enhanced CommandSender support - improved permission checking
• Optimized database operations - better connection handling
• Memory efficiency improvements - reduced object allocation

🔧 Technical Improvements

⚙️ Configuration Enhancements

# New performance settings in config.yml
performance:
  cache:
    expire-after-write: 30
    maximum-size: 10000
    record-stats: false