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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARTEMIS-994) Support Netty Native Epoll on Linux
Date Sat, 18 Mar 2017 23:41:41 GMT

    [ https://issues.apache.org/jira/browse/ARTEMIS-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15931476#comment-15931476
] 

ASF GitHub Bot commented on ARTEMIS-994:
----------------------------------------

Github user michaelandrepearce commented on the issue:

    https://github.com/apache/activemq-artemis/pull/1093
  
    Also:
    
    #1:
    	io.netty.buffer.AdvancedLeakAwareByteBuf.writeBytes(AdvancedLeakAwareByteBuf.java:600)
    	io.netty.buffer.AbstractByteBuf.readBytes(AbstractByteBuf.java:829)
    	io.netty.buffer.WrappedByteBuf.readBytes(WrappedByteBuf.java:616)
    	io.netty.buffer.AdvancedLeakAwareByteBuf.readBytes(AdvancedLeakAwareByteBuf.java:469)
    	io.netty.handler.codec.ByteToMessageDecoder.handlerRemoved(ByteToMessageDecoder.java:217)
    	io.netty.channel.DefaultChannelPipeline.callHandlerRemoved0(DefaultChannelPipeline.java:631)
    	io.netty.channel.DefaultChannelPipeline.remove(DefaultChannelPipeline.java:468)
    	io.netty.channel.DefaultChannelPipeline.remove(DefaultChannelPipeline.java:428)
    	org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.decode(ProtocolHandler.java:185)
    	io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:411)
    	io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248)
    	org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.channelRead(ProtocolHandler.java:128)
    	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
    	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
    	io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
    	io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
    	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
    	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
    	io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)
    	io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:1018)
    	io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:394)
    	io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:299)
    	io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
    	java.lang.Thread.run(Thread.java:745)
    



> Support Netty Native Epoll on Linux
> -----------------------------------
>
>                 Key: ARTEMIS-994
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-994
>             Project: ActiveMQ Artemis
>          Issue Type: New Feature
>          Components: Broker
>    Affects Versions: 1.5.3, 2.0.0
>            Reporter: Michael Andre Pearce (IG)
>             Fix For: 2.next
>
>
> Netty has support for native epoll, this is available only on linux systems. This is
more performant.
> http://netty.io/wiki/native-transports.html
> This is inline with supporting asyncio with libaio using such native feature to bring
perfomance benefits to artemis.



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