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https://issues.apache.org/jira/browse/HADOOP-18779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17735940#comment-17735940
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ASF GitHub Bot commented on HADOOP-18779:
-----------------------------------------

slfan1989 commented on PR #5762:
URL: https://github.com/apache/hadoop/pull/5762#issuecomment-1601858533

   > I wonder if not outputting anything was done by design.
   > I can see the case for a daemon not outputting anything.
   
   Thanks for your explanation! I will use this command again in the test 
environment. 




> 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
>            Priority: Major
>              Labels: pull-request-available
>
> 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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