pnowojski 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_r391493247
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java
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@@ -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
Review comment:
The race condition is between io threads and just the shut down? And
previously was it working becase `CompletedCheckpointStore` access were
synchronized on the checkopint coordinator's lock?
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