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From "Jeff Sposetti (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-9080) capacity scheduler UI
Date Sat, 10 Jan 2015 00:34:34 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-9080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14272148#comment-14272148
] 

Jeff Sposetti commented on AMBARI-9080:
---------------------------------------

There has been some work towards this as a contrib view.

https://github.com/apache/ambari/tree/trunk/contrib/views/capacity-scheduler

> capacity scheduler UI
> ---------------------
>
>                 Key: AMBARI-9080
>                 URL: https://issues.apache.org/jira/browse/AMBARI-9080
>             Project: Ambari
>          Issue Type: Wish
>          Components: ambari-web
>            Reporter: Laurent EDEL
>
> Capacity scheduler is widely used in Hadoop clusters.
> Its configuration is as much easy to understand as complicated to define, consisting
as filling a XML with some "ahem" notions :
> - "all" rights are represented by "*" (normal) but "no" rights are represented by " "
> - ACLs works only by extending them, not reducing : if root queue is set to all (default),
no ACL will be considered at all
> A UI should be provided to abstract those concepts, as well as define more easily the
queues weights, using sliders
> Additionally, if you forget to check yarn.acl.enabled in the resourcemanager there should
be a warning about scheduler ACL rules



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