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https://issues.apache.org/jira/browse/YARN-3375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524289#comment-14524289
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Wangda Tan commented on YARN-3375:
----------------------------------

+1 also, rekicked Jenkins.

> NodeHealthScriptRunner.shouldRun() check is performing 3 times for starting 
> NodeHealthScriptRunner
> --------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3375
>                 URL: https://issues.apache.org/jira/browse/YARN-3375
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>            Priority: Critical
>         Attachments: YARN-3375.patch
>
>
> 1. NodeHealthScriptRunner.shouldRun() check is happening 3 times for starting 
> the NodeHealthScriptRunner.
> {code:title=NodeManager.java|borderStyle=solid}
>     if(!NodeHealthScriptRunner.shouldRun(nodeHealthScript)) {
>       LOG.info("Abey khali");
>       return null;
>     }
> {code}
> {code:title=NodeHealthCheckerService.java|borderStyle=solid}
>     if (NodeHealthScriptRunner.shouldRun(
>         conf.get(YarnConfiguration.NM_HEALTH_CHECK_SCRIPT_PATH))) {
>       addService(nodeHealthScriptRunner);
>     }
> {code}
> {code:title=NodeHealthScriptRunner.java|borderStyle=solid}
>     if (!shouldRun(nodeHealthScript)) {
>       LOG.info("Not starting node health monitor");
>       return;
>     }
> {code}
> 2. If we don't configure node health script or configured health script 
> doesn't execute permission, NM logs with the below message.
> {code:xml}
> 2015-03-19 19:55:45,713 INFO 
> org.apache.hadoop.yarn.server.nodemanager.NodeManager: Abey khali
> {code}



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