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https://issues.apache.org/jira/browse/YARN-2346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14075462#comment-14075462
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Nikunj Bansal commented on YARN-2346:
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HADOOP-9902 is being resolved for 3.0.0. Meanwhile for 2.5.0 I do have a patch
based on the current scripts.
> Add a 'status' command to yarn-daemon.sh
> ----------------------------------------
>
> Key: YARN-2346
> URL: https://issues.apache.org/jira/browse/YARN-2346
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.2.0, 2.3.0, 2.2.1, 2.4.0, 2.4.1
> Reporter: Nikunj Bansal
> Assignee: Allen Wittenauer
> Priority: Minor
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Adding a 'status' command to yarn-daemon.sh will be useful for finding out
> the status of yarn daemons.
> Running the 'status' command should exit with a 0 exit code if the target
> daemon is running and non-zero code in case its not.
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