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https://issues.apache.org/jira/browse/MAPREDUCE-967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12789107#action_12789107
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Hadoop QA commented on MAPREDUCE-967:
-------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12427634/mapreduce-967.txt
against trunk revision 889486.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 5 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 warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed core unit tests.
-1 contrib tests. The patch failed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/186/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/186/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/186/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/186/console
This message is automatically generated.
> TaskTracker does not need to fully unjar job jars
> -------------------------------------------------
>
> Key: MAPREDUCE-967
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-967
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: tasktracker
> Affects Versions: 0.21.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: mapreduce-967-branch-0.20.txt, mapreduce-967.txt,
> mapreduce-967.txt, mapreduce-967.txt, mapreduce-967.txt, mapreduce-967.txt,
> mapreduce-967.txt
>
>
> In practice we have seen some users submitting job jars that consist of
> 10,000+ classes. Unpacking these jars into mapred.local.dir and then cleaning
> up after them has a significant cost (both in wall clock and in unnecessary
> heavy disk utilization). This cost can be easily avoided
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