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From "Szilard Nemeth (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-9120) Need to have a way to turn off GPU auto-discovery in GpuDiscoverer
Date Sat, 09 Feb 2019 23:23:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-9120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Szilard Nemeth resolved YARN-9120.
    Resolution: Won't Fix

> Need to have a way to turn off GPU auto-discovery in GpuDiscoverer
> ------------------------------------------------------------------
>                 Key: YARN-9120
>                 URL: https://issues.apache.org/jira/browse/YARN-9120
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Szilard Nemeth
>            Assignee: Szilard Nemeth
>            Priority: Major
> GpuDiscoverer.getGpusUsableByYarn either parses the user-defined GPU devices or should
have the value 'auto' (from property: yarn.nodemanager.resource-plugins.gpu.allowed-gpu-devices)
> In some circumstances, users would want to exclude a node from scheduling, so they should
have an option to turn off auto-discovery.
> It's straightforward that this is possible by removing the GPU resource-plugin from YARN's
config along with GPU-related config in container-executor.cfg, but doing that with a dedicated
value for yarn.nodemanager.resource-plugins.gpu.allowed-gpu-devices is a more lightweight

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