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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8859) RocksDB backend should pass WriteOption to Rocks.put() when restoring
Date Mon, 05 Mar 2018 12:38:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16386014#comment-16386014
] 

ASF GitHub Bot commented on FLINK-8859:
---------------------------------------

Github user sihuazhou commented on the issue:

    https://github.com/apache/flink/pull/5635
  
    @StefanRRichter Could you please have a look at this? This is a trivial work, but can
improve performance a lot (It looks like we forgot it when restoring).


> RocksDB backend should pass WriteOption to Rocks.put() when restoring
> ---------------------------------------------------------------------
>
>                 Key: FLINK-8859
>                 URL: https://issues.apache.org/jira/browse/FLINK-8859
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.5.0
>            Reporter: Sihua Zhou
>            Assignee: Sihua Zhou
>            Priority: Major
>             Fix For: 1.5.0
>
>
> We should pass `WriteOption` to Rocks.put() when restoring from handle (Both in full
& incremental checkpoint). Because of `WriteOption.setDisableWAL(true)`, the performance
can be increased by about 2 times.



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