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https://issues.apache.org/jira/browse/YARN-5531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15956086#comment-15956086
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Karthik Kambatla commented on YARN-5531:
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Barely skimmed through the patch. Some high-level comments:
# Looks like we are tracking, with booleans, if the app is registered/finished.
Would AbstractService be appropriate for this? Callers could init, start and
stop? The downside would be init doesn't return
{{RegisterApplicationMasterResponse}}.
# Logging could use more details. For instance, application_id.
> UnmanagedAM pool manager for federating application across clusters
> -------------------------------------------------------------------
>
> Key: YARN-5531
> URL: https://issues.apache.org/jira/browse/YARN-5531
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Subru Krishnan
> Assignee: Botong Huang
> Attachments: YARN-5531-YARN-2915.v1.patch,
> YARN-5531-YARN-2915.v2.patch, YARN-5531-YARN-2915.v3.patch
>
>
> One of the main tenets the YARN Federation is to *transparently* scale
> applications across multiple clusters. This is achieved by running UAMs on
> behalf of the application on other clusters. This JIRA tracks the addition of
> a UnmanagedAM pool manager for federating application across clusters which
> will be used the FederationInterceptor (YARN-3666) which is part of the
> AMRMProxy pipeline introduced in YARN-2884.
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