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https://issues.apache.org/jira/browse/FLINK-5218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15711988#comment-15711988
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Stephan Ewen commented on FLINK-5218:
-------------------------------------

True, will close one of the issues.

> Eagerly close checkpoint streams on cancellation
> ------------------------------------------------
>
>                 Key: FLINK-5218
>                 URL: https://issues.apache.org/jira/browse/FLINK-5218
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.1.3
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>            Priority: Critical
>             Fix For: 1.2.0, 1.1.4
>
>
> Some output streams perform blocking operations that cannot be properly 
> interrupted. This causes cancellations to take very long when happening 
> concurrently to large synchronous state snapshot operations.
> Closing the streams concurrently helps to abort these blocking operations.
> This might already be fixed in 1.2 by the {{CloseableRegistry}}.



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