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https://issues.apache.org/jira/browse/FLINK-9375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16479298#comment-16479298
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Stefan Richter commented on FLINK-9375:
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[~yanghua] this task maybe a bit more tricky than it sounds. If you still want
to work on this, I think it would make a lot of sense if you would briefly
outline your implementation plan here before you start coding.
> Introduce AbortCheckpoint message from JM to TMs
> ------------------------------------------------
>
> Key: FLINK-9375
> URL: https://issues.apache.org/jira/browse/FLINK-9375
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Reporter: Stefan Richter
> Assignee: vinoyang
> Priority: Major
>
> We should introduce an {{AbortCheckpoint}} message that a jobmanager can send
> to taskmanagers if a checkpoint is canceled so that the operators can eagerly
> stop their alignment phase and continue to normal processing. This can reduce
> some backpressure issues in the context of canceled and restarted checkpoints.
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