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From "Zhankun Tang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3926) Extend the YARN resource model for easier resource-type management and profiles
Date Sat, 01 Apr 2017 05:52:42 GMT

    [ https://issues.apache.org/jira/browse/YARN-3926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15952056#comment-15952056
] 

Zhankun Tang commented on YARN-3926:
------------------------------------

{quote}
As mentioned above, the overrides will only be allowed for memory and cpu.
We also propose a config flag to enable/disable overrides(set to enable overrides by default)
using which admins can turn off the override behaviour.
{quote}
[~vvasudev], I have doubt on that in the design doc. Could you please explain the reason why
we only allow cpu and memory overriding in resource profile?
How about we make it by default and provide configurations/options to switch on/off the resource
that can be override?
I'd like to help on this if we need this. :)

> Extend the YARN resource model for easier resource-type management and profiles
> -------------------------------------------------------------------------------
>
>                 Key: YARN-3926
>                 URL: https://issues.apache.org/jira/browse/YARN-3926
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: nodemanager, resourcemanager
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: Proposal for modifying resource model and profiles.pdf
>
>
> Currently, there are efforts to add support for various resource-types such as disk(YARN-2139),
network(YARN-2140), and  HDFS bandwidth(YARN-2681). These efforts all aim to add support for
a new resource type and are fairly involved efforts. In addition, once support is added, it
becomes harder for users to specify the resources they need. All existing jobs have to be
modified, or have to use the minimum allocation.
> This ticket is a proposal to extend the YARN resource model to a more flexible model
which makes it easier to support additional resource-types. It also considers the related
aspect of “resource profiles” which allow users to easily specify the various resources
they need for any given container.



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