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From "Cristian Barca (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2559) ResourceManager sometime become un-responsive due to NPE in SystemMetricsPublisher
Date Fri, 22 Jan 2016 16:11:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-2559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15112596#comment-15112596
] 

Cristian Barca commented on YARN-2559:
--------------------------------------

Yes, saw it after a bit of digging. Correct, is supposed to be fixed by YARN 4452 -- though
the title is a bit vague (NPE when submitting unmanaged Application). I cannot confirm the
fix since the Hadoop version I am working on is 2.7.0. The workaround I have in mind to overcome
this issue in older versions is to just disable the GHS property, yarn.resourcemanager.system-metrics-publisher.enabled=false.
Any other ideas how to do it w/o affecting the whole system, i.e. something more specific
to an AppMaster?

Will confirm the fix on my next upgrade to 2.8.0.

I've added related links to those 2 guys here as well.

Thanks!

> ResourceManager sometime become un-responsive due to NPE in SystemMetricsPublisher
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-2559
>                 URL: https://issues.apache.org/jira/browse/YARN-2559
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, timelineserver
>    Affects Versions: 2.6.0
>         Environment: Generice History Service is enabled in Timelineserver with 
> yarn.resourcemanager.system-metrics-publisher.enabled=true
> So that ResourceManager should Timeline Store for recording application history information

>            Reporter: Karam Singh
>            Assignee: Zhijie Shen
>             Fix For: 2.6.0
>
>         Attachments: YARN-2559.1.patch, YARN-2559.2.patch, YARN-2559.3.patch, YARN-2559.4.patch
>
>
> ResourceManager sometime become un-responsive due to NPE in SystemMetricsPublisher



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