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https://issues.apache.org/jira/browse/YARN-8881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16687701#comment-16687701
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Zhankun Tang commented on YARN-8881:
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[~sunilg], Thanks for the review!
Will fix point 1,2,3,4,5.
{quote}"Why MountDeviceSpec need to override compareTo?"
{quote}
We use TreeSet to store it so it needs to implement compareTo to avoid "cannot
be cast to java.lang.Comparable" exception thrown from TreeSet.add.
> Phase 1 - Add basic pluggable device plugin framework
> -----------------------------------------------------
>
> Key: YARN-8881
> URL: https://issues.apache.org/jira/browse/YARN-8881
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhankun Tang
> Assignee: Zhankun Tang
> Priority: Major
> Attachments: YARN-8881-trunk.001.patch, YARN-8881-trunk.002.patch,
> YARN-8881-trunk.003.patch, YARN-8881-trunk.004.patch,
> YARN-8881-trunk.005.patch, YARN-8881-trunk.006.patch,
> YARN-8881-trunk.007.patch, YARN-8881-trunk.008.patch,
> YARN-8881-trunk.009.patch, YARN-8881-trunk.010.patch
>
>
> It includes adding support in "ResourcePluginManager" to load plugin classes
> based on configuration, an interface for the vendor to implement and the
> adapter to decouple plugin and YARN internals. And the vendor device resource
> discovery will be ready after this support
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