Weiwei Yang edited comment on YARN-8015 at 4/13/18 12:10 PM:

Hi [~leftnoteasy] could you please help to review?

FYI, I think we need a Jira to revisit how to support node-partition in PC, I 
can see some problems/limitation in current approach (which only supports 
affinity to a partition).

was (Author: cheersyang):
Hi [~leftnoteasy] could you please help to review?

> Support inter-app placement constraints in AppPlacementAllocator
> ----------------------------------------------------------------
>                 Key: YARN-8015
>                 URL: https://issues.apache.org/jira/browse/YARN-8015
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacity scheduler
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Major
>         Attachments: YARN-8015.001.patch, YARN-8015.002.patch
> AppPlacementAllocator currently only supports intra-app anti-affinity 
> placement constraints, once YARN-8002 and YARN-8013 are resolved, it needs to 
> support inter-app constraints too. Also, this may require some refactoring on 
> the existing code logic. Use this JIRA to track.

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