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https://issues.apache.org/jira/browse/SPARK-27488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16839402#comment-16839402
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Thomas Graves commented on SPARK-27488:
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With this Jira we need to move the function that does the checks for various
configs to a common place and we need to address the comment here:
[https://github.com/apache/spark/pull/24406/files/b9dacef1d7d47d19df300628d3841b3a13c03547#r283617243]
To make it more clear on variables names.
> Driver interface to support GPU resources
> ------------------------------------------
>
> Key: SPARK-27488
> URL: https://issues.apache.org/jira/browse/SPARK-27488
> Project: Spark
> Issue Type: Story
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: Thomas Graves
> Assignee: Thomas Graves
> Priority: Major
>
> We want to have an interface to allow the users on the driver to get what
> resources are allocated to them. This is mostly to handle the case the
> cluster manager does not launch the driver in an isolated environment and
> where users could be sharing hosts. For instance in standalone mode it
> doesn't support container isolation so a host may have 4 gpu's, but only 2 of
> them could be assigned to the driver. In this case we need an interface for
> the cluster manager to specify what gpu's for the driver to use and an
> interface for the user to get the resource information
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