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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-840) Upgrade to netty 4
Date Fri, 14 Feb 2014 17:26:20 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13901667#comment-13901667
] 

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

ABORTED: Integrated in Giraph-trunk-Commit #1414 (See [https://builds.apache.org/job/Giraph-trunk-Commit/1414/])
GIRAPH-840: Upgrade to netty 4 (pavanka via majakabiljo) (majakabiljo: http://git-wip-us.apache.org/repos/asf?p=giraph.git&a=commit&h=62f9fd3fd3c13c8387e7448c4f3ea6b8f65b8a8c)
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/SaslServerHandler.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/ResponseEncoder.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/OutboundByteCounter.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/RequestServerHandler.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/RequestInfo.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/RequestEncoder.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/ByteCounterDelegate.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/ResponseClientHandler.java
* giraph-core/src/main/java/org/apache/giraph/conf/GiraphConstants.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/SaslClientHandler.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/RequestDecoder.java
* giraph-core/src/main/java/org/apache/giraph/utils/DynamicChannelBufferInputStream.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/NettyServer.java
* giraph-core/pom.xml
* giraph-core/src/main/java/org/apache/giraph/comm/netty/InboundByteCounter.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/WrappedAdaptiveReceiveBufferSizePredictorFactory.java
* giraph-core/src/main/java/org/apache/giraph/utils/DynamicChannelBufferOutputStream.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/ByteCounter.java
* giraph-core/src/main/java/org/apache/giraph/utils/PipelineUtils.java
* CHANGELOG
* giraph-core/src/main/java/org/apache/giraph/comm/netty/ChannelRotater.java
* giraph-core/src/main/java/org/apache/giraph/conf/GiraphConfiguration.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/NettyClient.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/handler/AuthorizeServerHandler.java
* pom.xml
* giraph-core/src/main/java/org/apache/giraph/utils/ProgressableUtils.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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