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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2139) [Umbrella] Support for Disk as a Resource in YARN
Date Tue, 02 Dec 2014 23:24:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14232293#comment-14232293
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Karthik Kambatla commented on YARN-2139:
----------------------------------------

The NMs will specify the amount of disk resources on a node, and the RM automatically allocates
a fixed amount to each container. For example, each NM could report a vdisks value equal to
the number of disks on the node, and each container would get one vdisk. That way, we limit
the number of containers running on a node to number of disks on that node. 

> [Umbrella] Support for Disk as a Resource in YARN 
> --------------------------------------------------
>
>                 Key: YARN-2139
>                 URL: https://issues.apache.org/jira/browse/YARN-2139
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Wei Yan
>         Attachments: Disk_IO_Isolation_Scheduling_3.pdf, Disk_IO_Scheduling_Design_1.pdf,
Disk_IO_Scheduling_Design_2.pdf, YARN-2139-prototype-2.patch, YARN-2139-prototype.patch
>
>
> YARN should consider disk as another resource for (1) scheduling tasks on nodes, (2)
isolation at runtime, (3) spindle locality. 



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