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https://issues.apache.org/jira/browse/FLINK-4975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15648215#comment-15648215
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ASF GitHub Bot commented on FLINK-4975:
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Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2754
Really good changes @StephanEwen. With the safeguard against spilling too
much data while aligning the checkpoint barriers Flink will be more robust and
deliver a better user experience in large scale situations.
I think the code is in a really good shape and the changes are well tested.
Thus +1 for merging.
> Add a limit for how much data may be buffered during checkpoint alignment
> -------------------------------------------------------------------------
>
> Key: FLINK-4975
> URL: https://issues.apache.org/jira/browse/FLINK-4975
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.1.3
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.2.0, 1.1.4
>
>
> During checkpoint alignment, data may be buffered/spilled.
> We should introduce an upper limit for the spilled data volume. After
> exceeding that limit, the checkpoint alignment should abort and the
> checkpoint be canceled.
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