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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3036) Some of the Resource Manager memory metrics go negative.
Date Wed, 21 Sep 2011 01:17:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13109164#comment-13109164
] 

Hudson commented on MAPREDUCE-3036:
-----------------------------------

Integrated in Hadoop-Common-trunk-Commit #923 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/923/])
    MAPREDUCE-3036. Fixed metrics for reserved resources in CS. Contributed by Robert Evans.

acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1173453
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/QueueMetrics.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java


> Some of the Resource Manager memory metrics go negative.
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-3036
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3036
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Blocker
>             Fix For: 0.23.0, 0.24.0
>
>         Attachments: MAPREDUCE-3036.patch, MR-3036.txt
>
>
> ReservedGB seems to always be decremented when a container is released, even though the
container never reserved any memory.
> AvailableGB also seems to be able to go negative in a few situations.

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