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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-5962) Cancel checkpoint canceller tasks in CheckpointCoordinator
Date Fri, 03 Mar 2017 17:29:45 GMT
Till Rohrmann created FLINK-5962:

             Summary: 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
            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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