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https://issues.apache.org/jira/browse/YARN-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16416297#comment-16416297
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Gour Saha commented on YARN-7142:
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[~leftnoteasy] thank you for the review.
bq. 1) Placement policy removed from Service? How user to specify common
placement policies for components.
I don't think common/service-level placement policies make sense at least in
this first phase of implementation since we support self allocation tag
namespace only. We can introduce service level placement policy later once we
support other namespaces and if it seems helpful. For now, it will be good to
keep it simple.
bq. 2) Compatibility of the placement policy?
The existing placement policy was a dummy placeholder and not supported. There
was no implementation backing it. Hence there should not be any backward
compatibility issue.
I incorporated all your other suggestions in patch 002.
> 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
> Attachments: YARN-7142.001.patch, YARN-7142.002.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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