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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5567) Fix script exit code checking in NodeHealthScriptRunner#reportHealthStatus
Date Tue, 13 Sep 2016 07:37:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-5567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15486556#comment-15486556
] 

Naganarasimha G R commented on YARN-5567:
-----------------------------------------

bq. standardizing on a specific error code for "detected bad Node" vs "bad script"
I was thinking something in the same lines when i mentioned earlier ??"Should we think of
some other state which could warn the admin about this(which is captured in webui/Rest)"??

If NM can inform Healthy/UnHealthy/HealthValidationError, And this can be sent across Heartbeat
to RM and RM can capture the state of this NM to be other than Running and UnHealthy (a New
state).  This can be displayed in the WebUI and also in the can be queried using {{./yarn
node -list -state}}

> Fix script exit code checking in NodeHealthScriptRunner#reportHealthStatus
> --------------------------------------------------------------------------
>
>                 Key: YARN-5567
>                 URL: https://issues.apache.org/jira/browse/YARN-5567
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.8.0, 3.0.0-alpha1
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>             Fix For: 3.0.0-alpha1
>
>         Attachments: YARN-5567.001.patch
>
>
> In case of FAILED_WITH_EXIT_CODE, health status should be false.
> {code}
>       case FAILED_WITH_EXIT_CODE:
>         setHealthStatus(true, "", now);
>         break;
> {code}
> should be 
> {code}
>       case FAILED_WITH_EXIT_CODE:
>         setHealthStatus(false, "", now);
>         break;
> {code}



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