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https://issues.apache.org/jira/browse/FLINK-6467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020613#comment-16020613
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Ted Yu commented on FLINK-6467:
-------------------------------
Alright.
> Potential lack of synchronization w.r.t. newSstFiles in
> RocksDBKeyedStateBackend#releaseResources()
> ---------------------------------------------------------------------------------------------------
>
> Key: FLINK-6467
> URL: https://issues.apache.org/jira/browse/FLINK-6467
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Reporter: Ted Yu
> Priority: Minor
>
> {code}
> if (canceled) {
> List<StateObject> statesToDiscard = new ArrayList<>();
> statesToDiscard.add(metaStateHandle);
> statesToDiscard.addAll(miscFiles.values());
> statesToDiscard.addAll(newSstFiles.values());
> {code}
> It seems access to newSstFiles should be protected by
> stateBackend.asyncSnapshotLock
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