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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6927) Add support for individual resource types requests in MapReduce
Date Mon, 23 Oct 2017 23:46:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16216080#comment-16216080

Daniel Templeton commented on YARN-6927:

Thanks for the updated patch, [~grepas].  At code level, it looks good.  I have a fewer higher
level comments, though.

# Looks like CPU and memory are called "cpu-vcores" and "memory".  To be more consistent with
the rest of resource types, it would be better to have "vcores" and accept both "memory" and
"memory-mb".  (Did we already talk about this before?)
# If I submit with -Dmapreduce.map.resource.memory=2048, it's treated as 2048B and set up
to 1024MB as the minimum.  Ideally if the user doesn't give units, we should infer them from
the unit for the resource type.  In this case, 2048 should be taken to be 2048MB.  Same is
true for the AM resources.

> Add support for individual resource types requests in MapReduce
> ---------------------------------------------------------------
>                 Key: YARN-6927
>                 URL: https://issues.apache.org/jira/browse/YARN-6927
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Daniel Templeton
>            Assignee: Gergo Repas
>         Attachments: YARN-6927.000.patch, YARN-6927.001.patch, YARN-6927.002.patch, YARN-6927.003.patch
> YARN-6504 adds support for resource profiles in MapReduce jobs, but resource profiles
don't give users much flexibility in their resource requests.  To satisfy users' needs, MapReduce
should also allow users to specify arbitrary resource requests.

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