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Dubbo代码分析---服务端线程池

2019年1月1日 02:01

一、Dubbo服务端线程池耗尽问题

在使用Dubbo的过程中，在服务端压力大时候我们常常会遇到说线程池耗尽的这样一个错误日志：

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17:54:34,026 WARN [New I/O server worker #1-4] -  [DUBBO] Thread pool is EXHAUSTED! Thread Name: DubboServerHandler-10.8.64.57:20880, Pool Size: 300 (active: 300, core: 300, max: 300, largest: 300), Task: 5821 (completed: 5621), Executor status:(isShutdown:false, isTerminated:false, isTerminating:false), in dubbo://x.x.x.x:20880!, dubbo version: 2.6.5, current host: x.x.x.x
com.alibaba.dubbo.remoting.ExecutionException: class com.alibaba.dubbo.remoting.transport.dispatcher.all.AllChannelHandler error when process caught event .
at com.alibaba.dubbo.remoting.transport.dispatcher.all.AllChannelHandler.caught(AllChannelHandler.java:67)
at com.alibaba.dubbo.remoting.transport.AbstractChannelHandlerDelegate.caught(AbstractChannelHandlerDelegate.java:44)
at com.alibaba.dubbo.remoting.transport.AbstractChannelHandlerDelegate.caught(AbstractChannelHandlerDelegate.java:44)
at com.alibaba.dubbo.remoting.transport.AbstractPeer.caught(AbstractPeer.java:127)
at com.alibaba.dubbo.remoting.transport.netty.NettyHandler.exceptionCaught(NettyHandler.java:112)
at com.alibaba.dubbo.remoting.transport.netty.NettyCodecAdapter$InternalDecoder.exceptionCaught(NettyCodecAdapter.java:165)
at org.jboss.netty.channel...
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