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https://issues.apache.org/jira/browse/MAPREDUCE-1302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799081#action_12799081
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Hadoop QA commented on MAPREDUCE-1302:
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+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12429929/MAPREDUCE-1302.5.patch
against trunk revision 898019.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 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 passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/375/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/375/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/375/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/375/console
This message is automatically generated.
> TrackerDistributedCacheManager can delete file asynchronously
> -------------------------------------------------------------
>
> Key: MAPREDUCE-1302
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1302
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: tasktracker
> Affects Versions: 0.20.2, 0.21.0, 0.22.0
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Attachments: MAPREDUCE-1302.0.patch, MAPREDUCE-1302.1.patch,
> MAPREDUCE-1302.2.patch, MAPREDUCE-1302.3.patch, MAPREDUCE-1302.4.patch,
> MAPREDUCE-1302.5.patch
>
>
> With the help of AsyncDiskService from MAPREDUCE-1213, we should be able to
> delete files from distributed cache asynchronously.
> That will help make task initialization faster, because task initialization
> calls the code that localizes files into the cache and may delete some other
> files.
> The deletion can slow down the task initialization speed.
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