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From "Roman Shaposhnik (JIRA)" <>
Subject [jira] [Commented] (GIRAPH-840) Upgrade to netty 4
Date Fri, 14 Feb 2014 22:43:20 GMT


Roman Shaposhnik commented on GIRAPH-840:

[~pavanka] please make sure that hadoop_1 and hadoop_2 profiles work. These are the ones we
absolutely need to make work for the 1.1.0 release.


> Upgrade to netty 4
> ------------------
>                 Key: GIRAPH-840
>                 URL:
>             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, 
> 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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