[GitHub] [rocketmq] yaowenbinqwq commented on issue #6810: [Bug] with the same clientId, the groupChannelTable in ProducerManager has data, but the clientChannelTable does not

["yaowenbinqwq (via GitHub)" <gi...@apache.org>]

yaowenbinqwq commented on issue #6810:
URL: https://github.com/apache/rocketmq/issues/6810#issuecomment-1583810051

   ProducerManager's  `ConcurrentHashMap<String /* group name */, ConcurrentHashMap<**Channel**, ClientChannelInfo>>`. using Channel as Key to maintain ClientChannelInfo in same group, instead of ClientId.
   
   So If you register different clientId **but same channel**. ProducerManager#registerProducer() will only update the lastUpdateTimestamp. instead of create new ClientChannelInfo for newer ClientId and override old.
   
   ProducerManager中`ConcurrentHashMap<String /* group name */, ConcurrentHashMap<**Channel**, ClientChannelInfo>>`。使用了Channel类作为Key来维护ClientChannelInfo，而不是String类型的ClientId。
   
   所以，如果注册了两个不同的ClientID，但是**Channel是相同的**话，那么`ProducerManager#registerProducer()`方法将只会更新该Channel的最后更新时间戳，而不是为新注册的ClientID创建一个新的ClientChannelInfo并且覆盖旧的Client。


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