dugenkui03 opened a new pull request #13277: URL: https://github.com/apache/flink/pull/13277
## What is the purpose of the change 1. Replace `ReentrantLock` with `ReentrantReadWriteLock` to improve concurrency; 2. Use `signal` instead of `signalAll` to reduce the thread scheduling. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
