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Date: Wed, 1 Mar 2017 11:24:45 +0000 (UTC)
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Subject: [jira] [Commented] (FLINK-4810) Checkpoint Coordinator should fail
 ExecutionGraph after "n" unsuccessful checkpoints
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archived-at: Wed, 01 Mar 2017 11:24:52 -0000


    [ https://issues.apache.org/jira/browse/FLINK-4810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15889998#comment-15889998 ] 

ASF GitHub Bot commented on FLINK-4810:
---------------------------------------

Github user ramkrish86 commented on the issue:

    https://github.com/apache/flink/pull/3334
  
    Thanks for the input. I read the code. There are two ways a checkpoint fails (as per my code understanding). If for some reason checkpointing cannot be performed we send DeclineCheckpoint message. That is handled by the Checkpointcoordinator.
    Another is if there is an external error in checkpointing and in that case we call failExternally. Which transitions the state to FAILED and closes all the watchdog, and cancels the invokable also. Now is the intent to track how many times this happens and if so track such occurences of failure and then fail the execution graph?


> Checkpoint Coordinator should fail ExecutionGraph after "n" unsuccessful checkpoints
> ------------------------------------------------------------------------------------
>
>                 Key: FLINK-4810
>                 URL: https://issues.apache.org/jira/browse/FLINK-4810
>             Project: Flink
>          Issue Type: Sub-task
>          Components: State Backends, Checkpointing
>            Reporter: Stephan Ewen
>
> The Checkpoint coordinator should track the number of consecutive unsuccessful checkpoints.
> If more than {{n}} (configured value) checkpoints fail in a row, it should call {{fail()}} on the execution graph to trigger a recovery.


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