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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2723) MR-279: port MAPREDUCE-2324 to mrv2
Date Wed, 27 Jul 2011 14:43:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071768#comment-13071768

Hudson commented on MAPREDUCE-2723:

Integrated in Hadoop-Mapreduce-trunk #750 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/750/])
    MAPREDUCE-2723. Remove directly accessing FSNamesystem.LOG from TestCopyFiles and TestDistCh.

szetszwo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1151349
Files : 
* /hadoop/common/trunk/mapreduce/src/test/mapred/org/apache/hadoop/tools/TestCopyFiles.java
* /hadoop/common/trunk/mapreduce/src/test/mapred/org/apache/hadoop/tools/TestDistCh.java
* /hadoop/common/trunk/mapreduce/CHANGES.txt

> MR-279: port MAPREDUCE-2324 to mrv2
> -----------------------------------
>                 Key: MAPREDUCE-2723
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2723
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>             Fix For: 0.23.0
> MRV2 currently does not take reduce disk usage into account when trying to schedule a
container.  For feature parity with the original map reduce it should be extended to allow
for disk space requests within containers along with RAM requests.  We then also need to port
MAPREDUCE-2324 to the scheduler to allow it to avoid starvation of containers that might never
get the resources that they need.

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