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https://issues.apache.org/jira/browse/MAPREDUCE-648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755674#action_12755674
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Hadoop QA commented on MAPREDUCE-648:
-------------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12419610/d_648_644.patch
against trunk revision 815249.
+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/80/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/80/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/80/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/80/console
This message is automatically generated.
> distcp -update launches job when there is at least one dir in source paths to
> be copied, even though there is nothing to copy
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-648
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-648
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: distcp
> Reporter: Ravi Gummadi
> Assignee: Ravi Gummadi
> Priority: Minor
> Attachments: d_648_644.patch, d_dirCount648.patch,
> d_dirCount648.v1.patch, d_dirCount_648.patch
>
>
> distcp -update launches job when there is at least one dir in source paths to
> be copied, even though there is nothing to copy.
> HADOOP-5675 added fileCount > 0 to be checked to decide whether to launch
> job. And HADOOP-5762 changed this to fileCount + dirCount > 0 to solve the
> issue of empty directories not getting copied to destination. With -update,
> dirCount is incremented without checking if that dir already exists at the
> destination. So distcp job is launched because of dirCount > 0 even though
> there is nothing to copy. Incrementing dirCount can be skipped if that dir
> already exists at the destination in case of -update.
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