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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3654) Disable Write-Ahead-Log in RocksDB State
Date Mon, 04 Apr 2016 14:59:25 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15224295#comment-15224295

ASF GitHub Bot commented on FLINK-3654:

GitHub user aljoscha opened a pull request:


    [FLINK-3654] Disable Write-Ahead-Log in RocksDB State


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/aljoscha/flink rocksdb-no-wal

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1850
commit 0580de64ac36bd73f505084ffac44e512f127da2
Author: Aljoscha Krettek <aljoscha.krettek@gmail.com>
Date:   2016-03-22T17:08:15Z

    [FLINK-3654] Disable Write-Ahead-Log in RocksDB State


> Disable Write-Ahead-Log in RocksDB State
> ----------------------------------------
>                 Key: FLINK-3654
>                 URL: https://issues.apache.org/jira/browse/FLINK-3654
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming
>            Reporter: Aljoscha Krettek
>            Assignee: Aljoscha Krettek
> We do our own checkpointing of the RocksDB database so the WAL is useless to us. Disabling
writes to the WAL should give us a very large performance boost.

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