[GitHub] [incubator-dolphinscheduler] buildupchao opened a new issue #2711: [BUG] MasterExecThread frequently create/destroy thread pool.

Wed, 13 May 2020 20:52:41 -0700 


buildupchao opened a new issue #2711:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/2711


   **Describe the bug**
   In branch dev-1.3.0, MasterExecThread frequently create and destroy thread 
pool. Furthermore, you only use the thread pool once each time, why do you 
frequently create and destroy thread pool?  it's a misuse!
   
   在 dev-1.3.0分支中，MasterExecThread 
线程中频繁的进行线程池的创建和销毁。更进一步来说，既然每次只使用一次线程池，为啥要频繁的创建和销毁呢？这显然是一种线程池的错误使用方式！
   
   **Screenshots**
   
![1](https://user-images.githubusercontent.com/25910406/81890726-3ce05c80-95d9-11ea-9bc0-28f9b45e38bd.png)
   ![1 
2](https://user-images.githubusercontent.com/25910406/81890728-3e118980-95d9-11ea-8612-42342fe063e3.png)
   ![1 
3](https://user-images.githubusercontent.com/25910406/81890732-3f42b680-95d9-11ea-88b8-3194ddb3a055.png)
   
   
   


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