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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-5829) FS preemption should reserve a node before considering containers on it for preemption
Date Fri, 09 Dec 2016 22:32:58 GMT

     [ https://issues.apache.org/jira/browse/YARN-5829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla reassigned YARN-5829:
--------------------------------------

    Assignee: Karthik Kambatla

> FS preemption should reserve a node before considering containers on it for preemption
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-5829
>                 URL: https://issues.apache.org/jira/browse/YARN-5829
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>
> FS preemption evaluates nodes for preemption, and subsequently preempts identified containers.
If this node is not reserved for a specific application, any other application could be allocated
resources on this node. 
> Reserving the node for the starved application before preempting containers would help
avoid this.



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