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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2018/02/12 05:16:00 UTC
[jira] [Updated] (YARN-7920) Cleanup configuration of
PlacementConstraints
[ https://issues.apache.org/jira/browse/YARN-7920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wangda Tan updated YARN-7920:
-----------------------------
Attachment: YARN-7920.001.patch
> Cleanup configuration of PlacementConstraints
> ---------------------------------------------
>
> Key: YARN-7920
> URL: https://issues.apache.org/jira/browse/YARN-7920
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Priority: Blocker
> Attachments: YARN-7920.001.patch
>
>
> Currently it is very confusing to have the two configs in two different files (yarn-site.xml and capacity-scheduler.xml).
>
> Maybe a better approach is: we can delete the scheduling-request.allowed in CS, and update placement-constraints configs in yarn-site.xml a bit:
>
> - Remove placement-constraints.enabled, and add a new placement-constraints.handler, by default is none, and other acceptable values are a. external-processor (since algorithm is too generic to me), b. scheduler.
> - And add a new PlacementProcessor just to pass SchedulingRequest to scheduler without any modifications.
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