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Author	SHA1	Message	Date
mleku	eddd05eabf	Add memory optimization improvements for reduced GC pressure (v0.36.16) - Add buffer pool (pkg/database/bufpool) with SmallPool (64B) and MediumPool (1KB) for reusing bytes.Buffer instances on hot paths - Fix escape analysis in index types (uint40, letter, word) by using fixed-size arrays instead of make() calls that escape to heap - Add handler concurrency limiter (ORLY_MAX_HANDLERS_PER_CONN, default 100) to prevent unbounded goroutine growth under WebSocket load - Add pre-allocation hints to Uint40s.Union/Intersection/Difference methods - Update compact_event.go, save-event.go, serial_cache.go, and get-indexes-for-event.go to use pooled buffers Files modified: - app/config/config.go: Add MaxHandlersPerConnection config - app/handle-websocket.go: Initialize handler semaphore - app/listener.go: Add semaphore acquire/release in messageProcessor - pkg/database/bufpool/pool.go: New buffer pool package - pkg/database/compact_event.go: Use buffer pool, fix escape analysis - pkg/database/get-indexes-for-event.go: Reuse single buffer for all indexes - pkg/database/indexes/types/letter.go: Fixed array in UnmarshalRead - pkg/database/indexes/types/uint40.go: Fixed arrays, pre-allocation hints - pkg/database/indexes/types/word.go: Fixed array in UnmarshalRead - pkg/database/save-event.go: Use buffer pool for key encoding - pkg/database/serial_cache.go: Use buffer pool for lookups 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>	5 months ago

Author

SHA1

Message

Date

mleku

eddd05eabf

Add memory optimization improvements for reduced GC pressure (v0.36.16)

- Add buffer pool (pkg/database/bufpool) with SmallPool (64B) and MediumPool (1KB)
  for reusing bytes.Buffer instances on hot paths
- Fix escape analysis in index types (uint40, letter, word) by using fixed-size
  arrays instead of make() calls that escape to heap
- Add handler concurrency limiter (ORLY_MAX_HANDLERS_PER_CONN, default 100) to
  prevent unbounded goroutine growth under WebSocket load
- Add pre-allocation hints to Uint40s.Union/Intersection/Difference methods
- Update compact_event.go, save-event.go, serial_cache.go, and
  get-indexes-for-event.go to use pooled buffers

Files modified:
- app/config/config.go: Add MaxHandlersPerConnection config
- app/handle-websocket.go: Initialize handler semaphore
- app/listener.go: Add semaphore acquire/release in messageProcessor
- pkg/database/bufpool/pool.go: New buffer pool package
- pkg/database/compact_event.go: Use buffer pool, fix escape analysis
- pkg/database/get-indexes-for-event.go: Reuse single buffer for all indexes
- pkg/database/indexes/types/letter.go: Fixed array in UnmarshalRead
- pkg/database/indexes/types/uint40.go: Fixed arrays, pre-allocation hints
- pkg/database/indexes/types/word.go: Fixed array in UnmarshalRead
- pkg/database/save-event.go: Use buffer pool for key encoding
- pkg/database/serial_cache.go: Use buffer pool for lookups

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

5 months ago

1 Commits (c5be98bcaafd0b2b2e10cabea366f36e0cedad2f)