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https://issues.apache.org/jira/browse/FLINK-5800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15867898#comment-15867898
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ASF GitHub Bot commented on FLINK-5800:
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Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/3312
> Make sure that the CheckpointStreamFactory is instantiated once per operator
> only
> ---------------------------------------------------------------------------------
>
> Key: FLINK-5800
> URL: https://issues.apache.org/jira/browse/FLINK-5800
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.2.0
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.3.0, 1.2.1
>
>
> Previously, the {{CheckpointSteamFactory}} was created once per checkpoint,
> and its repeated initialization logic (like ensuring existence of the parent
> directory) caused unnecessary load on some file systems at very large scale.
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