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https://issues.apache.org/jira/browse/YARN-5390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402909#comment-15402909
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Wangda Tan commented on YARN-5390:
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[~ellenfkh],
I took a quick look at the patch attached,
I'm not sure if you can provide some ideas about:
- How these interfaces will be used.
- How/Who to manage lifecycle of SubResolver (initialize, update/reload)
- Is it better to use non-static interface in this patch or static interfaces
like RackResolver.
It will be better to have some examples to show how this resolver will be used
by other components. I checked patches attached to YARN-5323, YARN-5324,
YARN-5325, they look like not updated to this patch.
Thanks,
> Federation Subcluster Resolver
> ------------------------------
>
> Key: YARN-5390
> URL: https://issues.apache.org/jira/browse/YARN-5390
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Carlo Curino
> Assignee: Ellen Hui
> Attachments: YARN-5390-YARN-2915.v0.patch,
> YARN-5390-YARN-2915.v1.patch, YARN-5390-YARN-2915.v2.patch
>
>
> This JIRA tracks effort to create a mechanism to resolve nodes/racks resource
> names to sub-cluster identifiers. This is needed by the federation policies
> in YARN-5323, YARN-5324, YARN-5325 to operate correctly.
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