[jira] [Commented] (YARN-8016) Refine PlacementRule interface and add a app-name queue mapping rule as an example

["Bibin A Chundatt (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-8016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16664875#comment-16664875 ] 

Bibin A Chundatt commented on YARN-8016:
----------------------------------------

[~leftnoteasy]

{code}
  public abstract boolean initialize(
      CapacitySchedulerContext schedulerContext) throws IOException;
{code}

I think its better to change to rmcontext so that other schedulers will be able to use. thoughts??


> Refine PlacementRule interface and add a app-name queue mapping rule as an example
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-8016
>                 URL: https://issues.apache.org/jira/browse/YARN-8016
>             Project: Hadoop YARN
>          Issue Type: Task
>            Reporter: Zian Chen
>            Assignee: Zian Chen
>            Priority: Major
>             Fix For: 3.2.0
>
>         Attachments: YARN-8016.001.patch, YARN-8016.002.patch, YARN-8016.003.patch, YARN-8016.004.patch, YARN-8016.005.patch
>
>
> After YARN-3635/YARN-6689, PlacementRule becomes a common interface which can be used by scheduler and can be dynamically updated by scheduler according to configs. There're some other works. 
> - There's no way to initialize PlacementRule.
> - No example of PlacementRule except the user-group mapping one.
> This JIRA is targeted to refine PlacementRule interfaces and add another PlacementRule example.



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