[jira] [Commented] (YARN-6689) PlacementRule should be configurable

["Jonathan Hung (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-6689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16037674#comment-16037674 ] 

Jonathan Hung commented on YARN-6689:
-------------------------------------

Here's an initial patch which reads from yarn.scheduler.queue-placement-rules to determine which placement rules to apply.

> PlacementRule should be configurable
> ------------------------------------
>
>                 Key: YARN-6689
>                 URL: https://issues.apache.org/jira/browse/YARN-6689
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Jonathan Hung
>            Assignee: Jonathan Hung
>         Attachments: YARN-6689.001.patch
>
>
> YARN-3635 introduces PlacementRules for placing applications in queues. It is currently hardcoded to one rule, {{UserGroupMappingPlacementRule}}. This should be configurable as mentioned in the comments:{noformat}  private void updatePlacementRules() throws IOException {
>     List<PlacementRule> placementRules = new ArrayList<>();
>     // Initialize UserGroupMappingPlacementRule
>     // TODO, need make this defineable by configuration.
>     UserGroupMappingPlacementRule ugRule = getUserGroupMappingPlacementRule();
>     if (null != ugRule) {
>       placementRules.add(ugRule);
>     }
>     rmContext.getQueuePlacementManager().updateRules(placementRules);
>   }{noformat}



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