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Date: Wed, 29 Aug 2012 11:18:07 +1100 (NCT)
From: "Hitesh Shah (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <1822703317.9595.1346199487485.JavaMail.jiratomcat@arcas>
Subject: [jira] [Moved] (YARN-55) YARN needs to properly check the NM,AM
 memory properties in yarn-site.xml and mapred.xml and report errors
 accordingly.
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     [ https://issues.apache.org/jira/browse/YARN-55?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hitesh Shah moved MAPREDUCE-4508 to YARN-55:
--------------------------------------------

                 Tags:   (was: YARN, NodeManager)
          Component/s:     (was: nodemanager)
                           (was: resourcemanager)
                       resourcemanager
                       nodemanager
    Affects Version/s:     (was: 2.0.0-alpha)
                       0.23.3
                       2.2.0-alpha
                  Key: YARN-55  (was: MAPREDUCE-4508)
              Project: Hadoop YARN  (was: Hadoop Map/Reduce)
    
> YARN needs to properly check the NM,AM memory properties in yarn-site.xml and mapred.xml and report errors accordingly.
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-55
>                 URL: https://issues.apache.org/jira/browse/YARN-55
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager, resourcemanager
>    Affects Versions: 2.2.0-alpha, 0.23.3
>         Environment: CentOs6.0, Hadoop2.0.0 Alpha
>            Reporter: Anil Gupta
>              Labels: Map, Reduce, YARN
>
> Please refer to this discussion on the Hadoop Mailing list:
> http://comments.gmane.org/gmane.comp.jakarta.lucene.hadoop.user/33110
> Summary:
> I was running YARN(Hadoop2.0.0 Alpha) on a 8 datanode, 4 admin node Hadoop/HBase cluster. My datanodes were only having 3.2GB of memory. So, i configured the yarn.nodemanager.resource.memory-mb property in yarn-site.xml to 1200. After setting the property if i run any Yarn Job then the NodemManager wont be able to start any Map task since by default the yarn.app.mapreduce.am.resource.mb property is set to 1500 MB in mapred-site.xml. 
> Expected Behavior: NodeManager should give an error if yarn.app.mapreduce.am.resource.mb >= yarn.nodemanager.resource.memory-mb.
> Please let me know if more information is required.

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