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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/04/04 16:59:25 UTC
[jira] [Commented] (FLINK-3654) Disable Write-Ahead-Log in RocksDB
State
[ 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:
https://github.com/apache/flink/pull/1850
[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:
https://github.com/apache/flink/pull/1850.patch
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 <al...@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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