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https://issues.apache.org/jira/browse/FLINK-5962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15926493#comment-15926493
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ASF GitHub Bot commented on FLINK-5962:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3548
Thanks for the fast review. Will fix the comments and merge!
> Cancel checkpoint canceller tasks in CheckpointCoordinator
> ----------------------------------------------------------
>
> Key: FLINK-5962
> URL: https://issues.apache.org/jira/browse/FLINK-5962
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.2.0, 1.3.0
> Reporter: Till Rohrmann
> Assignee: Stephan Ewen
> Priority: Critical
>
> The {{CheckpointCoordinator}} register a canceller task for each running
> checkpoint. The canceller task's responsibility is to cancel a checkpoint if
> it takes too long to complete. We should cancel this task as soon as the
> checkpoint has been completed, because otherwise we will keep many canceller
> tasks around. This can eventually lead to an OOM exception.
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