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https://issues.apache.org/jira/browse/MAPREDUCE-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15153651#comment-15153651
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Sunil G commented on MAPREDUCE-6304:
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Yes. I also was having similar thoughts. If we know any user s using labels in
2.6 line, we can document only that much. I have seen the doc in 307 line,
and it's pretty much fine. But I agree that effort of simple backport won't be
easy as we do not have all set of functionality of labels in 2.6.
I am fine with current way, but was getting confused sometimes as Eric used a
deprecated way to test labels. Also I too tested the way I do in 2.7 or trunk
and met with some pblm. So it may help users if they use labels in 2.6. If its
not intended, then we may not need it.
> Specifying node labels when submitting MR jobs
> ----------------------------------------------
>
> Key: MAPREDUCE-6304
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6304
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Jian Fang
> Assignee: Naganarasimha G R
> Labels: mapreduce
> Fix For: 2.8.0
>
> Attachments: MAPREDUCE-6304.20150410-1.patch,
> MAPREDUCE-6304.20150411-1.patch, MAPREDUCE-6304.20150501-1.patch,
> MAPREDUCE-6304.20150510-1.patch, MAPREDUCE-6304.20150511-1.patch,
> MAPREDUCE-6304.20150512-1.patch
>
>
> Per the discussion on YARN-796, we need a mechanism in MAPREDUCE to specify
> node labels when submitting MR jobs.
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