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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-840) Upgrade to netty 4
Date Fri, 14 Feb 2014 21:28:22 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13901963#comment-13901963
] 

Hudson commented on GIRAPH-840:
-------------------------------

FAILURE: Integrated in Giraph-trunk-Commit #1416 (See [https://builds.apache.org/job/Giraph-trunk-Commit/1416/])
GIRAPH-854: fix for test fail due to GIRAPH-840 (pavanka via majakabiljo) (majakabiljo: http://git-wip-us.apache.org/repos/asf?p=giraph.git&a=commit&h=94033dbbd6f20e03b64b63095a52939a654e52ac)
* CHANGELOG
* giraph-core/src/main/java/org/apache/giraph/conf/GiraphConstants.java


> Upgrade to netty 4
> ------------------
>
>                 Key: GIRAPH-840
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-840
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Pavan Kumar
>            Assignee: Pavan Kumar
>             Fix For: 1.1.0
>
>         Attachments: GIRAPH-840.patch, GIRAPH-840.patch
>
>
> Off late netty 4 has earned so much praise in the community. For example, 
> https://blog.twitter.com/2013/netty-4-at-twitter-reduced-gc-overhead
> A switch to netty 4 enables a significant reduction in gc pressure and also huge performance
gains. I started working on this last Sunday and have a patch that shows performance gains
on the order of 15-25% (total execution time) for some applications at Facebook. However,
I only tested it with hadoop_facebook. So there might be issues with SASL path. 
> I will release the patch today and want to open up a discussion if anyone is using the
secure feature anymore. If not we can just deprecate it.



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