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https://issues.apache.org/jira/browse/FLINK-7220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16091697#comment-16091697
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ASF GitHub Bot commented on FLINK-7220:
---------------------------------------
GitHub user StefanRRichter opened a pull request:
https://github.com/apache/flink/pull/4360
[FLINK-7220] [checkpoints] Update RocksDB dependency to 5.5.1
This PR updates the RocksDB dependency to 5.5.1. Further changes:
- the more performant merge operator is used via
`setMergeOperatorName("stringappendtest")`.
- the option `.setDisableDataSync(...)` was removed from RocksDB. Usage is
also removed from Flink.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/StefanRRichter/flink rocksUpdate
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4360.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 #4360
----
commit 5071d6da08af84dc7a160ceba7063df7828ee6f8
Author: Stefan Richter <s.rich...@data-artisans.com>
Date: 2017-05-29T09:11:41Z
WIP
----
> Update RocksDB dependency to 5.5.1
> ----------------------------------
>
> Key: FLINK-7220
> URL: https://issues.apache.org/jira/browse/FLINK-7220
> Project: Flink
> Issue Type: Improvement
> Affects Versions: 1.4.0, 1.3.2
> Reporter: Stefan Richter
> Assignee: Stefan Richter
>
> The latest release of RocksDB (5.5.1) fixes the issues from previous versions
> (slow merge performance, segfaults) in connection with Flink and seems stable
> for us to use. We can move away from our custom FRocksDB build, back to the
> latest release.
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