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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2794) [MR-279] Incorrect metrics value for AvailableGB per queue per user
Date Wed, 05 Oct 2011 16:59:34 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121136#comment-13121136

Hadoop QA commented on MAPREDUCE-2794:

+1 overall.  Here are the results of testing the latest attachment 
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/952//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/952//console

This message is automatically generated.
> [MR-279] Incorrect metrics value for AvailableGB per queue per user
> -------------------------------------------------------------------
>                 Key: MAPREDUCE-2794
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2794
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Ramya Sunil
>            Assignee: John George
>            Priority: Blocker
>             Fix For: 0.23.0
>         Attachments: MAPREDUCE-2794.patch, MAPREDUCE-2794.patch
> AvailableGB per queue is not the same as AvailableGB per queue per user when the user
limit is set to 100%.
> i.e. if the total available GB of the cluster is 60, and queue "default" has 92% capacity
with 100% as the user limit, AvailableGB per queue default = 55 (i.e. 0.92*60) whereas AvailableGB
per queue for user ramya is 56 (however it should be 55 = 0.92*60*1) 
> Also, unlike the AvailableGB/queue, AvailableGB/queue/user is not decremented when user
ramya is running apps on the "default" queue.

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