[infinispan-issues] [JBoss JIRA] (ISPN-2015) Upgrade to Netty 3.4.2 when ready

[Galder Zamarreño (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12692883#comment-12692883 ] 

Galder Zamarreño commented on ISPN-2015:
----------------------------------------

I'm holding off sending a pull req for this yet since we've found some exceptions while testing 3.4.4:

{code}10:43:05,805 ERROR [org.infinispan.server.hotrod.HotRodDecoder] (HotRodClientMaster-30) ISPN005009: Unexpected error before any request parameters read: java.lang.UnsupportedOperationException
	at java.util.AbstractList.add(AbstractList.java:131) [rt.jar:1.6.0_30]
	at java.util.AbstractList.add(AbstractList.java:91) [rt.jar:1.6.0_30]
	at org.jboss.netty.buffer.CompositeChannelBuffer.discardReadBytes(CompositeChannelBuffer.java:640) [netty-3.4.4.Final.jar:]
	at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:487) [netty-3.4.4.Final.jar:]
	at org.infinispan.server.core.AbstractProtocolDecoder.messageReceived(AbstractProtocolDecoder.scala:369) [infinispan-server-core-5.1.5.ER8-redhat-1.jar:5.1.5.ER8-redhat-1]
	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268) [netty-3.4.4.Final.jar:]
	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255) [netty-3.4.4.Final.jar:]
	at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:94) [netty-3.4.4.Final.jar:]
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(AbstractNioWorker.java:372) [netty-3.4.4.Final.jar:]
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:246) [netty-3.4.4.Final.jar:]
	at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:38) [netty-3.4.4.Final.jar:]
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_30]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_30]
	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_30]{code}
                
> Upgrade to Netty 3.4.2 when ready
> ---------------------------------
>
>                 Key: ISPN-2015
>                 URL: https://issues.jboss.org/browse/ISPN-2015
>             Project: Infinispan
>          Issue Type: Component  Upgrade
>          Components: Cache Server
>    Affects Versions: 5.1.3.FINAL
>            Reporter: Galder Zamarreño
>            Assignee: Galder Zamarreño
>             Fix For: 5.1.x, 5.2.0.FINAL
>
>
> According to Norman, there's some important memory optimisations coming in this version, that should in theory allow us to get rid of the custom replaying decoder.
> I'll do the upgrade in a separate branch and I'll pass on to QE to run:
> * Data stress tests and compare with current version
> * Client stress tests and compare with native Memcached and previous versions
> Depending on the results of this, we can potentially consider doing the upgrade in 5.1.x.

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