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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7863) Modify placement constraints to support node attributes
Date Wed, 31 Jan 2018 07:59:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16346391#comment-16346391

Arun Suresh commented on YARN-7863:

[~sunilg], There are actually two aspects to this:
# Supporting node attributes as a Target Expression: For eg: place containers with allocation
tags on nodes with attribute java_version = 1.8.
# Supporting a node attribute as a Scope: For eg: place 5 containers, no more than one per
failure domain. Assuming all nodes in cluster has a node attribute called "failure_domain"
with values 1 - 10.

1) can be tackled here I guess. but 2) needs some modifications to the AllocationTagsManager
and should be handled YARN-7858.

Thoughts [~kkaranasos] / [~leftnoteasy] ? 

> Modify placement constraints to support node attributes
> -------------------------------------------------------
>                 Key: YARN-7863
>                 URL: https://issues.apache.org/jira/browse/YARN-7863
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Sunil G
>            Assignee: Sunil G
>            Priority: Major
> This Jira will track to *Modify existing placement constraints to support node attributes.*

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