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Posted to yarn-issues@hadoop.apache.org by "Miklos Szegedi (JIRA)" <ji...@apache.org> on 2017/03/10 05:12:38 UTC
[jira] [Assigned] (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 ]
Miklos Szegedi reassigned YARN-5829:
------------------------------------
Assignee: Miklos Szegedi (was: 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: Miklos Szegedi
>
> 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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