ankitsultana commented on code in PR #10123: URL: https://github.com/apache/pinot/pull/10123#discussion_r1071069680
########## pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/executor/RoundRobinScheduler.java: ########## @@ -79,6 +83,9 @@ public RoundRobinScheduler(long releaseTimeoutMs, Supplier<Long> ticker) { @Override public void register(OpChain operatorChain, boolean isNew) { + if (_isShutDown) { Review Comment: Linking to the previous comment, `isShutDown` is set after the queues are drained so there's still potential for a race condition. Can we instead use a "State" enum and disallow register if the state is SHUTTING_DOWN? I think the change of this gap causing an issue is low but best to be safe. Lmk if I am missing something. -- 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: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org