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https://issues.apache.org/jira/browse/MAPREDUCE-654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12748306#action_12748306
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Hadoop QA commented on MAPREDUCE-654:
-------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12411513/d_count_v1.patch
against trunk revision 808320.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
-1 patch. The patch command could not apply the patch.
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/525/console
This message is automatically generated.
> Add an option -count to distcp for displaying some info about the src files
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-654
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-654
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: distcp
> Affects Versions: 0.21.0
> Reporter: Ravi Gummadi
> Assignee: Ravi Gummadi
> Fix For: 0.21.0
>
> Attachments: d_count.patch, d_count_v1.patch
>
>
> Add an option -count to distcp for displaying metadata about src files like
> number of files to be copied and total size of src files to be copied.
> WIth -count, distcp doesn't do any copy. Just displays info and exits.
> This is useful specifically when used with -update.
> distcp -update -count <src>* <dst>
> would display the number of files to be updated and the total size of
> copy needs to be done(by comparing the file sizes and checksums at src and
> dst). Based on this info, users could allocate the number of nodes needed for
> the actual update job.
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