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https://issues.apache.org/jira/browse/YARN-2619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14519342#comment-14519342
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Varun Vasudev commented on YARN-2619:
-------------------------------------
The sharing is just an equal split of disk operations. The number 500 is just
arbitrary - all that matters is that all containers get assigned the same
weight which ensures they get an equal share of disk operations. Once we have
scheduling support, the weight will be determined dynamically based on the
allocated resources.
> NodeManager: Add cgroups support for disk I/O isolation
> -------------------------------------------------------
>
> Key: YARN-2619
> URL: https://issues.apache.org/jira/browse/YARN-2619
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Wei Yan
> Assignee: Wei Yan
> Attachments: YARN-2619-1.patch, YARN-2619.002.patch,
> YARN-2619.003.patch
>
>
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