dailidong commented on issue #4386:
URL: 
https://github.com/apache/incubator-dolphinscheduler/issues/4386#issuecomment-758505123


   
   > 2. And, how does ds gets logs of different type tasks,such as 
**datax**、**impala**、**hive**?
   
   to this question , Dolphin runs eash task as child process which is using 
java ProcessBuilder class, when calling this class, it will show the task 
runtime log 
   
   
   


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