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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7339) LocalityMulticastAMRMProxyPolicy should handle cancel request properly
Date Wed, 25 Oct 2017 20:58:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16219500#comment-16219500
] 

Carlo Curino commented on YARN-7339:
------------------------------------

Thanks [~botong] committed this to branch-2, closing the JIRA.

> LocalityMulticastAMRMProxyPolicy should handle cancel request properly
> ----------------------------------------------------------------------
>
>                 Key: YARN-7339
>                 URL: https://issues.apache.org/jira/browse/YARN-7339
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.9.0, 3.0
>            Reporter: Botong Huang
>            Assignee: Botong Huang
>            Priority: Minor
>             Fix For: 2.9.0, 3.0
>
>         Attachments: YARN-7339-branch-2.v6.patch, YARN-7339-v1.patch, YARN-7339-v2.patch,
YARN-7339-v3.patch, YARN-7339-v4.patch, YARN-7339-v5.patch, YARN-7339-v6.patch
>
>
> Currently inside AMRMProxy, LocalityMulticastAMRMProxyPolicy is not handling and splitting
cancel requests from AM properly: 
> # For node cancel request, we should not treat it as a localized resource request. Otherwise
it can lead to all weight zero issue when computing localized resource weight. 
> # For ANY cancel, we should broadcast to all known subclusters, not just the ones associated
with localized resources. 



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