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https://issues.apache.org/jira/browse/FLINK-18063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijiang updated FLINK-18063:
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Summary: Fix the race condition for aborting checkpoint in
CheckpointBarrierUnaligner (was: Fix the race condition for aborting current
checkpoint in CheckpointBarrierUnaligner)
> Fix the race condition for aborting checkpoint in CheckpointBarrierUnaligner
> ----------------------------------------------------------------------------
>
> Key: FLINK-18063
> URL: https://issues.apache.org/jira/browse/FLINK-18063
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.11.0
> Reporter: Zhijiang
> Assignee: Zhijiang
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.11.0, 1.12.0
>
>
> There are three aborting scenarios which might encounter race condition:
> 1. CheckpointBarrierUnaligner#processCancellationBarrier
> 2. CheckpointBarrierUnaligner#processEndOfPartition
> 3. AlternatingCheckpointBarrierHandler#processBarrier
> We only consider the pending checkpoint triggered by #processBarrier from
> task thread to abort it. Actually the checkpoint might also be triggered by
> #notifyBarrierReceived from netty thread in race condition, so we should also
> handle properly to abort it.
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