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https://issues.apache.org/jira/browse/YARN-6484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025456#comment-16025456
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Subru Krishnan commented on YARN-6484:
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Thanks [~curino] for the solid documentation. I have a few minor comments:
* Can you please add a sequence diagram for the *Job execution flow* as
that'll make it much easier to understand.
* It'll be good if we can also reuse the {{AMRMProxy}} internals diagram from
our Hadoop summit talk.
* We should call out that the _yarn.resourcemanager.cluster-id_ is the same
as what's used for RM HA, i.e. we simply reuse the config.
* I feel we should clarify that the _yarn.resourcemanager.epoch_ is unique
per sub-cluster, _yarn.resourcemanager.cluster-id_ and having increments of
1000 will provide practical safety from ContainerId clashes.
* NIt: {{Federation.md}} has a whitespace at the end.
> [Documentation] Documenting the YARN Federation feature
> -------------------------------------------------------
>
> Key: YARN-6484
> URL: https://issues.apache.org/jira/browse/YARN-6484
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Affects Versions: YARN-2915
> Reporter: Subru Krishnan
> Assignee: Carlo Curino
> Attachments: YARN-6484-YARN-2915.v0.patch,
> YARN-6484-YARN-2915.v1.patch, YARN-6484-YARN-2915.v2.patch
>
>
> We should document the high level design and configuration to enable YARN
> Federation
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