junrao commented on a change in pull request #8657: URL: https://github.com/apache/kafka/pull/8657#discussion_r483832980
########## File path: core/src/test/scala/unit/kafka/coordinator/AbstractCoordinatorConcurrencyTest.scala ########## @@ -201,8 +201,8 @@ object AbstractCoordinatorConcurrencyTest { } } val producerRequestKeys = entriesPerPartition.keys.map(TopicPartitionOperationKey(_)).toSeq - watchKeys ++= producerRequestKeys producePurgatory.tryCompleteElseWatch(delayedProduce, producerRequestKeys) + watchKeys ++= producerRequestKeys Review comment: @chia7712 : Thanks for the explanation. `stateLock` is created as an unfair ReentrantReadWriteLock. So, in that case, will thread_3's attempt for getting the readLock blocked after thread_2? Did the test actually failed because of this? ---------------------------------------------------------------- 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