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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5181) ClusterNodeTracker: add method to get list of nodes matching a specific resourceName
Date Wed, 13 Jul 2016 22:07:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15375866#comment-15375866
] 

Arun Suresh commented on YARN-5181:
-----------------------------------

Thanks for the patch [~kasha]

Some minor comments:
# Remove the unused import
# Maybe rename the getNodes(String) to getNodesWithName(String) so that we don't need the
cast null to (NodeFilter) in getAllNodes() ?




> ClusterNodeTracker: add method to get list of nodes matching a specific resourceName
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-5181
>                 URL: https://issues.apache.org/jira/browse/YARN-5181
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: scheduler
>    Affects Versions: 2.8.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: yarn-5181-1.patch
>
>
> ClusterNodeTracker should have a method to return the list of nodes matching a particular
resourceName. This is so we could identify what all nodes a particular ResourceRequest is
interested in, which in turn is useful in YARN-5139 (global scheduler) and YARN-4752 (FairScheduler
preemption overhaul). 



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