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https://issues.apache.org/jira/browse/YARN-1013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16524225#comment-16524225
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Wangda Tan commented on YARN-1013:
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Thanks [~haibochen] for explanations,
bq. we are trying to just handle G resource requests with their enforcement
flag set to false
This is the part I don't quite understand, where is the enforcement flag? Is it
per app, per request or globally?
bq. but the fair scheduler implementation (YARN-1015) tries to take into
account of queue weight ...
Does this considers resource usages for O container or it is just consider G
container usages?
> CS should watch resource utilization of containers and allocate speculative
> containers if appropriate
> -----------------------------------------------------------------------------------------------------
>
> Key: YARN-1013
> URL: https://issues.apache.org/jira/browse/YARN-1013
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun C Murthy
> Assignee: Weiwei Yang
> Priority: Major
>
> CS should watch resource utilization of containers (provided by NM in
> heartbeat) and allocate speculative containers (at lower OS priority) if
> appropriate.
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