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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-8827) Plumb per app, per user and per queue resource utilization from the NM to RM
Date Sun, 07 Oct 2018 18:03:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-8827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun Suresh updated YARN-8827:
------------------------------
    Attachment: YARN-8827-YARN-1011.01.patch

> 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
>
>
> 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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