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https://issues.apache.org/jira/browse/MESOS-5159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15234449#comment-15234449
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Kevin Klues commented on MESOS-5159:
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Currently they return a TASK_FAILED because we don't do the validation on the
master, but rather in the prepare state of the isolator. I talked with
[~bmahler] about this on Friday though, and I think we are going to move it. We
were hoping to avoid doing a special case validation for GPUs, but it seems
pretty unavoidable if we want to provide intuitive semantics.
> Add test to verify error when requesting fractional GPUs
> --------------------------------------------------------
>
> Key: MESOS-5159
> URL: https://issues.apache.org/jira/browse/MESOS-5159
> Project: Mesos
> Issue Type: Task
> Reporter: Kevin Klues
> Assignee: Kevin Klues
> Labels: gpu, mesosphere
>
> Fractional GPU requests should immediately cause a TASK_FAILED without ever
> launching the task.
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