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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6724) Add ability to blacklist sub-clusters when invoking Routing policies
Date Wed, 21 Jun 2017 21:30:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16058283#comment-16058283
] 

Subru Krishnan commented on YARN-6724:
--------------------------------------

Thanks for the patch [~giovanni.fumarola]. It looks straightforward, +1 from me pending Jenkins.

> Add ability to blacklist sub-clusters when invoking Routing policies
> --------------------------------------------------------------------
>
>                 Key: YARN-6724
>                 URL: https://issues.apache.org/jira/browse/YARN-6724
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: router
>            Reporter: Subru Krishnan
>            Assignee: Giovanni Matteo Fumarola
>         Attachments: YARN-6724-YARN-2915.v1.patch
>
>
> The {{Router}} service invokes the policy to determine the next sub-cluster to route
the client request to. Since the current policy implementations are stateless, we need the
ability to pass in blacklisted sub-clusters (which failed previously) to prevent selection
of non-responsive sub-clusters.  



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