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https://issues.apache.org/jira/browse/YARN-8456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhankun Tang reassigned YARN-8456:
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Assignee: Zhankun Tang
> Fix a bug when user leave FPGA discover executable path configuration empty
> but set OpenCL SDK path environment variable
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-8456
> URL: https://issues.apache.org/jira/browse/YARN-8456
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Zhankun Tang
> Assignee: Zhankun Tang
> Priority: Major
>
> *Issue:*
> When the user doesn't configure
> "yarn.nodemanager.resource-plugins.fpga.path-to-discovery-executables" in
> yarn-site.xml and have "ALTERAOCLSDKROOT" environment variable set, the FPGA
> discoverer cannot find the correct executable path (with
> IntelFPGAOpenclPlugin).
> *Reason:*
> In IntelFPGAOpenclPlugin, the current code builds a wrong path string after
> getting the environment variable value. It should append "/bin/<executable
> name>" otherwise it would fail the FPGA resource discovery.
>
> *Solution:*
> Fix the path construction code in IntelFPGAOpenclPlugin.
>
> *MISC:*
> The patch also corrects some minor errors:
> # Change _"yarn-io/_gpu_"_ and _"yarn-io/_fpga_"_ to _"yarn.io/gpu"_,
> _"yarn.io/fpga"_ in documents
> # Use _"auto"_ as the default value for
> "yarn.nodemanager.resource-plugins.fpga.allowed-fpga-devices". The original
> "0,1" won't cause any problem but use "auto" is better
>
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