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https://issues.apache.org/jira/browse/YARN-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16434268#comment-16434268
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Gour Saha commented on YARN-7142:
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{quote}I think we should be able to support a simple PC language, by specifying
something like: notin,node,foo
{quote}
[~cheersyang] thank you for the good suggestions. In my opinion, YARN Service
should be viewed as a higher level abstraction for layman users who do not
understand and don't want to understand YARN internals. They only understand
their own application and their app deployment model. If the YARN Service API
and spec are not simple and crisp it will immediately cause a barrier to such
application-owners from coming to YARN. What do you think?
> Support placement policy in yarn native services
> ------------------------------------------------
>
> Key: YARN-7142
> URL: https://issues.apache.org/jira/browse/YARN-7142
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn-native-services
> Reporter: Billie Rinaldi
> Assignee: Gour Saha
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: YARN-7142-branch-3.1.004.patch, YARN-7142.001.patch,
> YARN-7142.002.patch, YARN-7142.003.patch, YARN-7142.004.patch
>
>
> Placement policy exists in the API but is not implemented yet.
> I have filed YARN-8074 to move the composite constraints implementation out
> of this phase-1 implementation of placement policy.
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