[GitHub] [rocketmq] maixiaohai commented on issue #3371: [pop consuming] Some enhancement and bugfix when test pop consuming mode

[GitBox <gi...@apache.org>]

maixiaohai commented on issue #3371:
URL: https://github.com/apache/rocketmq/issues/3371#issuecomment-940937397


   > > > Part B may be caused by following code
   > > > <img alt="截屏2021-09-24 下午5 44 22" width="1050" src="https://user-images.githubusercontent.com/3734319/134654822-c67ebfa4-0b6c-4e74-ab37-63a61ede6810.png">
   > > > @odbozhou
   > > 
   > > 
   > > I will follow the above questions.
   > 
   > @maixiaohai
   > 
   > The retry topic processing methods of pop and push modes are completely different. The retry topic of push is consumed through client subscription. Therefore, SubscriptionData has a retry topic of push. The consumption of retry topic of pop is processed on the server side. There is a certain probability of consumption at the end, so when switching to pop mode, SubscriptionData will not have a retry topic
   
   Got it~
   Just think is difficult for users to understand, and difficult for admin & sre to find the consume bottleneck~


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