Shilun Fan created HADOOP-18779:
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             Summary: Improve hadoop-function.sh#status script
                 Key: HADOOP-18779
                 URL: https://issues.apache.org/jira/browse/HADOOP-18779
             Project: Hadoop Common
          Issue Type: Improvement
          Components: common
    Affects Versions: 3.4.0
            Reporter: Shilun Fan
            Assignee: Shilun Fan


When we use yarn --daemon status router/nodemanager, I found that no 
information can be displayed. I checked the script and modified the script of 
hadoop-functions.sh#status to increase the output information.

yarn --daemon status router

- If the service is started
router is running as process 47626.

- If the service is stop
router is stopped.



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