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ASF GitHub Bot commented on FLINK-4437: --------------------------------------- Github user tedyu closed the pull request at: https://github.com/apache/flink/pull/2409 > Lock evasion around lastTriggeredCheckpoint may lead to lost updates to > related fields > -------------------------------------------------------------------------------------- > > Key: FLINK-4437 > URL: https://issues.apache.org/jira/browse/FLINK-4437 > Project: Flink > Issue Type: Bug > Reporter: Ted Yu > Fix For: 1.2.0 > > > In CheckpointCoordinator#triggerCheckpoint(): > {code} > // make sure the minimum interval between checkpoints has passed > if (lastTriggeredCheckpoint + minPauseBetweenCheckpoints > timestamp) > { > {code} > If two threads evaluate 'lastTriggeredCheckpoint + minPauseBetweenCheckpoints > > timestamp' in close proximity before lastTriggeredCheckpoint is updated, > the two threads may have an inconsistent view of "lastTriggeredCheckpoint" > and updates to fields correlated with "lastTriggeredCheckpoint" may be lost. -- This message was sent by Atlassian JIRA (v6.3.4#6332)