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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2016/12/09 22:33:59 UTC

[jira] [Updated] (YARN-5829) FS preemption should reserve a node before considering containers on it for preemption

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

Karthik Kambatla updated YARN-5829:
-----------------------------------
    Parent Issue: YARN-5990  (was: YARN-4752)

> 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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