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Peter Bacsko commented on YARN-9477: ------------------------------------ Thanks [~snemeth] for the comments. _In VEDeviceDiscoverer#getDeviceState: Please use a more descriptive and detailed error message rather than "Unknown <some_number>"_ That string was taken from the Python script given to us by NEC and will not be printed as an error message, so I think it's good. _Could you please add some testcases for VEDeviceDiscoverer?_ Yes, once this POC is considered to be good, I'll upload them as non-POC. > 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-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. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org