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https://issues.apache.org/jira/browse/MAPREDUCE-896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793566#action_12793566
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Hadoop QA commented on MAPREDUCE-896:
-------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12428696/MR-896.v6.patch
against trunk revision 893055.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 9 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-h6.grid.sp2.yahoo.net/331/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/331/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/331/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/331/console
This message is automatically generated.
> Users can set non-writable permissions on temporary files for TT and can
> abuse disk usage.
> ------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-896
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-896
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.21.0
> Reporter: Vinod K V
> Assignee: Ravi Gummadi
> Fix For: 0.21.0
>
> Attachments: MR-896.patch, MR-896.v1.patch, MR-896.v2.patch,
> MR-896.v3.patch, MR-896.v4.patch, MR-896.v5.patch, MR-896.v6.patch,
> y896.v1.patch, y896.v2.1.fix.patch, y896.v2.1.fix.v1.patch,
> y896.v2.1.fix.v2.patch, y896.v2.1.patch, y896.v2.patch
>
>
> As of now, irrespective of the TaskController in use, TT itself does a full
> delete on local files created by itself or job tasks. This step, depending
> upon TT's umask and the permissions set by files by the user, for e.g in
> job-work/task-work or child.tmp directories, may or may not go through
> successful completion fully. Thus is left an opportunity for abusing disk
> space usage either accidentally or intentionally by TT/users.
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