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https://issues.apache.org/jira/browse/FLINK-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15455491#comment-15455491
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ASF GitHub Bot commented on FLINK-4510:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2453
Thanks for looking into this.
I wonder if we can do this simpler, without changes to the
CheckpointCoordinator.
The only thing that really needs to change is that without periodic
checkpoints, the `startCheckpointScheduler()` method is not called, which means
that the JobStatusListener that "CheckpointActivatorDeactivator" should not be
created and started.
> Always create CheckpointCoordinator
> -----------------------------------
>
> Key: FLINK-4510
> URL: https://issues.apache.org/jira/browse/FLINK-4510
> Project: Flink
> Issue Type: Sub-task
> Components: State Backends, Checkpointing
> Reporter: Ufuk Celebi
> Assignee: Jark Wu
>
> The checkpoint coordinator is only created if a checkpointing interval is
> configured. This means that no savepoints can be triggered if there is no
> checkpointing interval specified.
> Instead we should always create it and allow an interval of 0 for disabled
> periodic checkpoints.
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