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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/01/27 08:24:14 UTC

[GitHub] [rocketmq] ni-ze commented on issue #3800: console dashboard Broker 5min trend data question

ni-ze commented on issue #3800:
URL: https://github.com/apache/rocketmq/issues/3800#issuecomment-1022960202


   > @ni-ze 我查了，我的指标是400，基本上全是MissTPS 造成的，FoundTPS值很小。
   > 
   > “从存储中查询消息，如果能找到就算在FoundTPS中，找不到就算在MissTPS中。” When org.apache.rocketmq.store.DefaultMessageStore#getMessage is called, getMessageTimesTotalFound or getMessageTimesTotalMiss is incremented.
   > 
   > 对不起，我没有听懂，因为找一次，MissTPS或FoundTPS其中一个必+1, 也就是两者之和 TotalTPS必+1。那我的指标值不就是恒等于DefaultMessageStore#getMessage的调用次数了吗？
   
   是等于getMessage调用次数，但是不等于你消息的条数，比如两个groupId都把6万各消息消费一遍，那么getMessage也被调用了12万次，totalTPS也是12万


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