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From "Young Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7707) [GPG] Policy generator framework
Date Fri, 16 Feb 2018 02:00:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-7707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16366527#comment-16366527

Young Chen commented on YARN-7707:

Hey [~botong] thanks for taking a look so quickly!

1/2. I'll get that fixed in the next patch.

3. That was because TestPolicyGenerator sets up a RM to check calling an RM endpoint, and
the RMWebServices injects the timelineservice into the web service. The Router is set up similarly. 

4. Right now it extracts the queues into a mapping of queue type > list of queues. Although
the non-leaf queues are not used in policy generation right now, the extraction requires that
I traverse the entire tree, so it seemed a cleaner design choice to not hard code for leaf
queues. In the future we may have policies generated for non-leaf queues, as well as some
sort of policy inheritance.

> [GPG] Policy generator framework
> --------------------------------
>                 Key: YARN-7707
>                 URL: https://issues.apache.org/jira/browse/YARN-7707
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Carlo Curino
>            Assignee: Young Chen
>            Priority: Major
>              Labels: federation, gpg
>         Attachments: YARN-7707-YARN-7402.01.patch, YARN-7707-YARN-7402.02.patch, YARN-7707-YARN-7402.03.patch
> This JIRA tracks the development of a generic framework for querying sub-clusters for
metrics, running policies, and updating them in the FederationStateStore.

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