Weiwei Yang commented on YARN-7791:

Hi [~sunilg]

I think there is no code needs to be done for this one now. Once 
{{RM_PLACEMENT_CONSTRAINTS_HANDLER}} is configured to \{{scheduler}}, PCs will 
be submitted to scheduler and handled by \{{AppPlacementAllocator}}, no matter 
inter or intra app constraints. Closing this now, please let me know if you 
disagrees. Thanks.

> Support submit intra-app placement constraint in Distributed Shell to 
> AppPlacementAllocator
> -------------------------------------------------------------------------------------------
>                 Key: YARN-7791
>                 URL: https://issues.apache.org/jira/browse/YARN-7791
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: client
>            Reporter: Weiwei Yang
>            Assignee: Sunil G
>            Priority: Major
>              Labels: distributedshell
>         Attachments: YARN-7791-YARN-6592.001.patch
> Set {{yarn.resourcemanager.placement-constraints.enabled}} to {{false}}
> Submit a job with placement constraint spec, e.g
> {code}
> in/yarn org.apache.hadoop.yarn.applications.distributedshell.Client -jar 
> share/hadoop/yarn/hadoop-yarn-applications-distributedshell-3.1.0-SNAPSHOT.jar
>  -shell_command sleep -shell_args 30 -num_containers 2 -master_memory 500 
> -container_memory 200 -placement_spec foo=4,NOTIN,NODE,foo
> {code}
> got following errors in RM log
> {noformat}
> Exception message:As of now, the only accepted target key for targetKey of 
> allocation_tag target expression is: [yarn_application_label/%intra_app%]. 
> Please make changes to placement constraints accordingly.
> {noformat}
> Looks like DS needs some modification to support submitting proper scheduling 
> requests to app placement allocators.

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