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https://issues.apache.org/jira/browse/YARN-8827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16643783#comment-16643783
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Arun Suresh commented on YARN-8827:
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Thanks [~elgoiri] .. Attached updated patch.
bq. .. I think we could create ResourceUtilization.newInstance() setting all to
0, or newZero()...
I like the newZero() method.. I've included it. We can do the Utilization
Mapping later..
bq. Whenever we open the follow-up JIRA that uses this, can you link it to this
one?
Ill link this to YARN-1013
> Plumb per app, per user and per queue resource utilization from the NM to RM
> ----------------------------------------------------------------------------
>
> Key: YARN-8827
> URL: https://issues.apache.org/jira/browse/YARN-8827
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Priority: Major
> Attachments: YARN-8827-YARN-1011.01.patch,
> YARN-8827-YARN-1011.02.patch, YARN-8827-YARN-1011.03.patch,
> YARN-8827-YARN-1011.04.patch, YARN-8827-YARN-1011.05.patch,
> YARN-8827-YARN-1011.06.patch
>
>
> Opportunistic Containers for OverAllocation need to be allocated to pending
> applications in some fair manner. Rather than evaluating queue and user
> resource usage (allocated resource usage) and comparing against queue and
> user limits to decide the allocation, it might make more sense to use a
> snapshot of actual resource utilization of the queue and user.
> To facilitate this, this JIRA proposes to aggregate per user, per app (and
> maybe per queue) resource utilization in addition to aggregated Container and
> Node Utilization and send it along with the NM heartbeat. It should be fairly
> inexpensive to aggregate - since it can be performed in the same loop of the
> {{ContainersMonitorImpl}}'s Monitoring thread.
> A snapshot aggregate can be made every couple of seconds in the RM. This
> instantaneous resource utilization should be used to decide if Opportunistic
> containers can be allocated to an App, Queue or User.
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