junaiddshaukat opened a new issue, #37213: URL: https://github.com/apache/beam/issues/37213
### What needs to happen? ## Problem The `CachingStateProvider` in `sdks/typescript/src/apache_beam/worker/state.ts` currently has unbounded cache growth. The cache can grow indefinitely, which can lead to memory issues in long-running workers. There's a TODO comment indicating this needs to be addressed: cript // TODO: (Perf) Cache eviction.## Proposed Solution Implement LRU (Least Recently Used) cache eviction: - Add a configurable `maxCacheSize` parameter (default: 1000 entries) - Evict the least recently used entry when the cache reaches capacity - Maintain LRU order by moving accessed items to the end of the Map ## Benefits - Prevents unbounded memory growth in long-running workers - Improves reliability for production workloads - Configurable cache size allows tuning based on use case ## Implementation Details - Use JavaScript Map's insertion order to track access order - When cache is full, remove the first (oldest) entry - On cache hit, move entry to end (most recently used) ### Issue Priority Priority: 2 (default / most normal work should be filed as P2) ### Issue Components - [ ] Component: Python SDK - [ ] Component: Java SDK - [ ] Component: Go SDK - [x] Component: Typescript SDK - [ ] Component: IO connector - [ ] Component: Beam YAML - [ ] Component: Beam examples - [ ] Component: Beam playground - [ ] Component: Beam katas - [ ] Component: Website - [ ] Component: Infrastructure - [ ] Component: Spark Runner - [ ] Component: Flink Runner - [ ] Component: Samza Runner - [ ] Component: Twister2 Runner - [ ] Component: Hazelcast Jet Runner - [ ] Component: Google Cloud Dataflow Runner -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
