duhenglucky commented on issue #1585: RMQ 4.2.0 - 4.5.2 [TIMEOUT_CLEAN_QUEUE] URL: https://github.com/apache/rocketmq/issues/1585#issuecomment-552408018 @baihezhuo 尝试一下打开transientStorePoolEnable，另外如果可以的话试下spin锁，useReentrantLockWhenPutMessage设置为flase，同时把sendMessageThreadPoolNums设置小一点，比如说5个（不要多，具体要自己调节一下），还有就是查看下具体报上述错误时候的磁盘相关情况，还有消费端的相关情况，有没有在持续消费冷数据，另外可以先看下这个[文章](https://mp.weixin.qq.com/s/1yFedcwtQ7mYcuHDvGCrqw)，
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