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https://issues.apache.org/jira/browse/MAPREDUCE-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14485844#comment-14485844
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Yuliya Feldman commented on MAPREDUCE-6304:
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I do not think labels should be dictated by RM, since different types of jobs
may require different types of resources. It is definitely true that cluster
admins label nodes so those labels can be used while making a decision from the
application prospective.
It is true that job is submitted from the client, but it is not like you submit
different classes of jobs every time, so eventually job owner will know what
resources he/she needs for that specific class of jobs.
The case you described warrants just setting labels in mapred-site.xml on
client side and be done. If you submit all sorts of jobs then may be you don't
even care about labels.
Yet another choice is to utilize labels on Queues - this will be set on the
cluster so for jobs submitted to a specific queue specific labels will be
applied
> 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
>
> Per the discussion on YARN-796, we need a mechanism in MAPREDUCE to specify
> node labels when submitting MR jobs.
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