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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5892) Capacity Scheduler: Support user-specific minimum user limit percent
Date Wed, 12 Apr 2017 23:10:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-5892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15966789#comment-15966789
] 

Eric Payne edited comment on YARN-5892 at 4/12/17 11:10 PM:
------------------------------------------------------------

By the way, the latest patch reverts the behavior of what is displayed in the {{Max Resource}}
column in the Capacity Scheduler GUI to the previous behavior. The last active value is stored
and displayed rather than being recalculated based on current active users and resources.

- YARN-5892.008.patch (odd behavior) (User 2 is active):
||*User Name*||*Max Resource*||*Weight*||*Used Resource*||
|{panel:bgColor=yellow}User2{panel}|{panel:bgColor=yellow}<memory:7168, vCores:1>{panel}|{panel:bgColor=yellow}0.2{panel}|{panel:bgColor=yellow}<memory:7168,
vCores:14>{panel}|
|User5|<memory:35840, vCores:1>|1.0|<memory:2560, vCores:5>|

- YARN-5892.009.patch (sane behavior) (user2 is active):
||*User Name*||*Max Resource*||*Weight*||*Used Resource*||
|{panel:bgColor=yellow}User2{panel}|{panel:bgColor=yellow}<memory:7168, vCores:1>{panel}|{panel:bgColor=yellow}0.2{panel}|{panel:bgColor=yellow}<memory:7168,
vCores:14>{panel}|
|User5|<memory:7168, vCores:1>|1.0|<memory:2560, vCores:5>|



was (Author: eepayne):
By the way, the latest patch reverts the behavior of what is displayed in the {{Max Resource}}
column in the Capacity Scheduler GUI to the previous behavior. The last active value is stored
and displayed rather than being recalculated based on current active users and resources.

- YARN-5892.008.patch (odd behavior) (User 2 is active):
||*User Name*||*Max Resource*||*Weight*||*Used Resource*||
|{panel:bgColor=yellow}User2{panel}|{panel:bgColor=yellow}<memory:7168, vCores:1>{panel}|{panel:bgColor=yellow}0.2{panel}|{panel:bgColor=yellow}<memory:7168,
vCores:14>{panel}|
|User5|<memory:35840, vCores:1>|1.0|<memory:2560, vCores:5>|

- YARN-5892.008.patch (sane behavior) (user2 is active):
||*User Name*||*Max Resource*||*Weight*||*Used Resource*||
|{panel:bgColor=yellow}User2{panel}|{panel:bgColor=yellow}<memory:7168, vCores:1>{panel}|{panel:bgColor=yellow}0.2{panel}|{panel:bgColor=yellow}<memory:7168,
vCores:14>{panel}|
|User5|<memory:7168, vCores:1>|1.0|<memory:2560, vCores:5>|


> Capacity Scheduler: Support user-specific minimum user limit percent
> --------------------------------------------------------------------
>
>                 Key: YARN-5892
>                 URL: https://issues.apache.org/jira/browse/YARN-5892
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacityscheduler
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: Active users highlighted.jpg, YARN-5892.001.patch, YARN-5892.002.patch,
YARN-5892.003.patch, YARN-5892.004.patch, YARN-5892.005.patch, YARN-5892.006.patch, YARN-5892.007.patch,
YARN-5892.008.patch, YARN-5892.009.patch
>
>
> Currently, in the capacity scheduler, the {{minimum-user-limit-percent}} property is
per queue. A cluster admin should be able to set the minimum user limit percent on a per-user
basis within the queue.
> This functionality is needed so that when intra-queue preemption is enabled (YARN-4945
/ YARN-2113), some users can be deemed as more important than other users, and resources from
VIP users won't be as likely to be preempted.
> For example, if the {{getstuffdone}} queue has a MULP of 25 percent, but user {{jane}}
is a power user of queue {{getstuffdone}} and needs to be guaranteed 75 percent, the properties
for {{getstuffdone}} and {{jane}} would look like this:
> {code}
>   <property>
>     <name>yarn.scheduler.capacity.root.getstuffdone.minimum-user-limit-percent</name>
>     <value>25</value>
>   </property>
>   <property>
>     <name>yarn.scheduler.capacity.root.getstuffdone.jane.minimum-user-limit-percent</name>
>     <value>75</value>
>   </property>
> {code}



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