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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2017/02/15 18:01:41 UTC

[jira] [Closed] (FLINK-5800) Make sure that the CheckpointStreamFactory is instantiated once per operator only

     [ https://issues.apache.org/jira/browse/FLINK-5800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen closed FLINK-5800.
-------------------------------

> 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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