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From "Kan Zhang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1900) MapReduce daemons should close FileSystems that are not needed anymore
Date Tue, 03 Aug 2010 00:11:16 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12894753#action_12894753
] 

Kan Zhang commented on MAPREDUCE-1900:
--------------------------------------

Here is the test-patch result. Also ran ant test and test-contrib. TestSimulatorDeterministicReplay
failed, but it also fails without the patch. Other tests are passing.

     [exec] -1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no new tests are needed for this patch.
     [exec]                         Also please list what manual steps were performed to verify
this patch.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.




> MapReduce daemons should close FileSystems that are not needed anymore
> ----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1900
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1900
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker, tasktracker
>            Reporter: Devaraj Das
>             Fix For: 0.22.0
>
>         Attachments: fs-close-delta.patch, m1900-04.patch, mapred-fs-close.patch
>
>
> Related to HADOOP-6843, this jira is to make MapReduce behave better with respect to
closing FileSystems when they are not needed anymore.

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