luozenglin opened a new issue #5761:
URL: https://github.com/apache/incubator-doris/issues/5761


   When running a large number of concurrent queries, there are many lock 
conflicts in the RuntimeProfile of be.
   For example, in a stress test, the lock waiting time in RuntimeProfile 
reaches 68.2%.
   
   
![image](https://user-images.githubusercontent.com/37725793/117412036-db7e6f80-af46-11eb-8d00-dd83d25e95cc.png)
   
   


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