geosmart commented on issue #7559:
URL: 
https://github.com/apache/dolphinscheduler/issues/7559#issuecomment-999958195


   Just the opposite, we need to deploy the logger server and worker seperately.
   
   becase when the worker down,  the logger server still worke.
   so the api server can  query log for the task.
   
   ---
   
   I deploy the worker and logger in different docker container. and the log 
path is mount with `glusterfs(a distributed filesystem)`. 
   ---
   beside the master machine also  need to deploy the logger, when master 
failover to kill the yarn task, it need to query appid by task log
   


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