liuluo129 commented on issue #647: Producer 经常报RemotingTimeoutException wait response on channel<:10909> timeout, 3000(ms) URL: https://github.com/apache/rocketmq/issues/647#issuecomment-451365559 > @liuluo129 Make the waitTimeMillsInSendQueue is smaller than 3000 and you may get another error 'TIMEOUT_CLEAN_QUEUE'. 多谢回复，我再补充一些信息，出现超时的时候，并不是高峰期，而且只会在其中一台超时，观察两台机器的cpu,io,网络和日志，没发现有什么异常点，如果是性能问题，该如何排查呢
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