chia7712 opened a new pull request #9887: URL: https://github.com/apache/kafka/pull/9887
issue: https://issues.apache.org/jira/browse/KAFKA-12195 ``` threads = Collections.synchronizedList(new LinkedList<>()); ``` The synchronization list requires us to manually synchronize the iterator. non-synchronizing the list results in inconsistent results and consequently unstabilize the AdjustStreamThreadCountTest. related to aedb53a4e6313398ed9626fbd2fbd7106e2ce94e ### Committer Checklist (excluded from commit message) - [ ] Verify design and implementation - [ ] Verify test coverage and CI build status - [ ] Verify documentation (including upgrade notes) ---------------------------------------------------------------- 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