[jira] [Updated] (YARN-9477) Implement VE discovery using libudev

["Peter Bacsko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-9477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Bacsko updated YARN-9477:
-------------------------------
    Attachment: YARN-9477-004.patch

> Implement VE discovery using libudev
> ------------------------------------
>
>                 Key: YARN-9477
>                 URL: https://issues.apache.org/jira/browse/YARN-9477
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>            Priority: Major
>         Attachments: YARN-9477-001.patch, YARN-9477-002.patch, YARN-9477-003.patch, YARN-9477-004.patch, YARN-9477-POC.patch, YARN-9477-POC2.patch, YARN-9477-POC3.patch
>
>
> Right now we have a Python script which is able to discover VE cards using pyudev: https://pyudev.readthedocs.io/en/latest/
> Java does not officially support libudev. There are some projects on Github (example: https://github.com/Zubnix/udev-java-bindings) but they're not available as Maven artifacts.
> However it's not that difficult to create a minimal layer around libudev using JNA. We don't have to wrap every function, we need to call 4-5 methods.



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