[GitHub] [rocketmq] MatrixHB opened a new issue, #4842: The concurrent methods in Admin tools have thread-safety problems

Thu, 18 Aug 2022 20:18:06 -0700 


MatrixHB opened a new issue, #4842:
URL: https://github.com/apache/rocketmq/issues/4842

   Look at the method` DefaultMQAdminExtImpl#examineTopicStatsConcurrent`, 
multi threads put data into offsetTable concurrently, but the offsetTable is 
HashMap, which is not thread-safety. 
   
![image](https://user-images.githubusercontent.com/23614576/185535118-f3dfb663-a869-4a2e-9ac1-83c1a748e46b.png)
   
   The same problem also exists in 
`org.apache.rocketmq.common.admin.ConsumeStats`, 
`org.apache.rocketmq.common.protocol.body.TopicList`...
   


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