liuluo129 opened a new issue #647: Producer 经常报RemotingTimeoutException wait response on channel<:10909> timeout, 3000(ms) URL: https://github.com/apache/rocketmq/issues/647 **FEATURE REQUEST** 目前是双 Master 模式，Producer 端经常会报异常，堆栈信息如下: ``` org.apache.rocketmq.remoting.exception.RemotingTimeoutException: wait response on the channel <172.19.4.4:10909> timeout, 3000(ms) at org.apache.rocketmq.remoting.netty.NettyRemotingAbstract.invokeSyncImpl(NettyRemotingAbstract.java:386) at org.apache.rocketmq.remoting.netty.NettyRemotingClient.invokeSync(NettyRemotingClient.java:369) at org.apache.rocketmq.client.impl.MQClientAPIImpl.sendMessageSync(MQClientAPIImpl.java:351) at org.apache.rocketmq.client.impl.MQClientAPIImpl.sendMessage(MQClientAPIImpl.java:335) at org.apache.rocketmq.client.impl.MQClientAPIImpl.sendMessage(MQClientAPIImpl.java:298) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendKernelImpl(DefaultMQProducerImpl.java:696) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendSelectImpl(DefaultMQProducerImpl.java:914) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:891) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:886) at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:389) ``` 目前双 Master 模式，配置如下: ``` brokerName=Broker-A // 第二台是 Broker-B brokerId=0 deleteWhen=04 fileReservedTime=72 brokerRole=ASYNC_MASTER flushDiskType=ASYNC_FLUSH storePathRootDir=/data/rocketmq/store storePathCommitLog=/data/rocketmq/store/commitlog autoCreateTopicEnable=TRUE clusterTopicEnable=FALSE brokerTopicEnable=FALSE fetchNamesrvAddrByAddressServer=false namesrvAddr=xxxx;xxxx waitTimeMillsInSendQueue=5000 osPageCacheBusyTimeOutMills=5000 ``` Producer 超时的，都发生在向Broker-B发送的时候 两台机器配置一致，且日志两边对比过，没发现有什么异常现象
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