ifndef-SleePy commented on a change in pull request #11347: [FLINK-14971][checkpointing] Make all the non-IO operations in CheckpointCoordinator single-threaded URL: https://github.com/apache/flink/pull/11347#discussion_r392801274
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java ########## @@ -403,7 +403,10 @@ public void shutdown(JobStatus jobStatus) throws Exception { // clear queued requests and in-flight checkpoints abortPendingAndQueuedCheckpoints(reason); - completedCheckpointStore.shutdown(jobStatus); + // there might be a race condition with IO threads on completedCheckpointStore + synchronized (completedCheckpointStore) { Review comment: Sounds reasonable. ---------------------------------------------------------------- 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 With regards, Apache Git Services