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https://issues.apache.org/jira/browse/YARN-3926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197811#comment-15197811
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Arun Suresh commented on YARN-3926:
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bq. ..how this will affect on running apps
Agreed, might not be trivial. But my hunch is, if DRF works correctly, it
should be equivalent to Cluster Capacity / Resource change (In the
FairScheduler IIRC, a re-calculation of Queue and Application fair-shares are
done)
> Extend the YARN resource model for easier resource-type management and
> profiles
> -------------------------------------------------------------------------------
>
> Key: YARN-3926
> URL: https://issues.apache.org/jira/browse/YARN-3926
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: nodemanager, resourcemanager
> Reporter: Varun Vasudev
> Assignee: Varun Vasudev
> Attachments: Proposal for modifying resource model and profiles.pdf
>
>
> Currently, there are efforts to add support for various resource-types such
> as disk(YARN-2139), network(YARN-2140), and HDFS bandwidth(YARN-2681). These
> efforts all aim to add support for a new resource type and are fairly
> involved efforts. In addition, once support is added, it becomes harder for
> users to specify the resources they need. All existing jobs have to be
> modified, or have to use the minimum allocation.
> This ticket is a proposal to extend the YARN resource model to a more
> flexible model which makes it easier to support additional resource-types. It
> also considers the related aspect of “resource profiles” which allow users to
> easily specify the various resources they need for any given container.
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