[jira] [Updated] (YARN-5387) FairScheduler: add the ability to specify a parent queue to all placement rules

["Ray Chiang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-5387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ray Chiang updated YARN-5387:
-----------------------------
    Issue Type: Sub-task  (was: New Feature)
        Parent: YARN-5397

> FairScheduler: add the ability to specify a parent queue to all placement rules
> -------------------------------------------------------------------------------
>
>                 Key: YARN-5387
>                 URL: https://issues.apache.org/jira/browse/YARN-5387
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>            Reporter: Wilfred Spiegelenburg
>            Assignee: Wilfred Spiegelenburg
>
> In the current placement policy there all rules generate a queue name under the root. The only exception is the nestedUserQueue rule. This rule allows a queue to be created under a parent queue defined by a second rule.
> Instead of creating new rules to also allow nested groups, secondary groups or  nested queues for new rules that we think of we should generalise this by allowing a parent attribute to be specified in each rule like the create flag.
> The optional parent attribute for a rule should allow the following values:
> - empty (which is the same as not specifying the attribute)
> - a rule
> - a fixed value (with or without the root prefix)



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