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https://issues.apache.org/jira/browse/YARN-1003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726586#comment-13726586
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Sandy Ryza commented on YARN-1003:
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bq. this can be done by being conservative on the memory and/or cpu cores per
node.
That's what I'm trying to avoid. If our true limiting factor is disk IO, we
shouldn't be conservative with CPU and memory to limit it. Finding the right
way to view configurations for memory and CPU is hard enough - using them to
limit other resource usage just makes it harder.
> Add a maxContainersPerNode config to the Fair Scheduler
> -------------------------------------------------------
>
> Key: YARN-1003
> URL: https://issues.apache.org/jira/browse/YARN-1003
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: scheduler
> Affects Versions: 2.1.0-beta
> Reporter: Sandy Ryza
> Assignee: Karthik Kambatla
>
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