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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2986) (Umbrella) Support hierarchical and unified scheduler configuration
Date Mon, 23 Feb 2015 23:29:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334079#comment-14334079
] 

Jian He commented on YARN-2986:
-------------------------------

Regarding the "policy-properties" take , I have one doubt that what if user specify a policy-property
outside of the "policy-properties" tag and non-policy-property inside "policy-properties",
will we throw exception or ignore the settings?  Ignoring seems confusing to users, as user
may have no idea which properties are set correctly and which properties are not. Either way
forces users to learn precisely which properties should be inside the policy-properties tags
and which ones should not. Each time a new property is added, users also need to be learned.
That's non-trivial effort to users.

> (Umbrella) Support hierarchical and unified scheduler configuration
> -------------------------------------------------------------------
>
>                 Key: YARN-2986
>                 URL: https://issues.apache.org/jira/browse/YARN-2986
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Wangda Tan
>         Attachments: YARN-2986.1.patch
>
>
> Today's scheduler configuration is fragmented and non-intuitive, and needs to be improved.
Details in comments.



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