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https://issues.apache.org/jira/browse/YARN-4496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15109805#comment-15109805
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Arun Suresh commented on YARN-4496:
-----------------------------------
Got it... missed that... thanks for clarifying
+1, pending jenkins
> Improve HA ResourceManager Failover detection on the client
> -----------------------------------------------------------
>
> Key: YARN-4496
> URL: https://issues.apache.org/jira/browse/YARN-4496
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: client, resourcemanager
> Reporter: Arun Suresh
> Assignee: Jian He
> Attachments: YARN-4496.1.patch, YARN-4496.2.patch, YARN-4496.3.patch,
> YARN-4496.4.patch
>
>
> HDFS deployments can currently use the {{RequestHedgingProxyProvider}} to
> improve Namenode failover detection in the client. It does this by
> concurrently trying all namenodes and picks the namenode that returns the
> fastest with a successful response as the active node.
> It would be useful to have a similar ProxyProvider for the Yarn RM (it can
> possibly be done by converging some the class hierarchies to use the same
> ProxyProvider)
> This would especially be useful for large YARN deployments with multiple
> standby RMs where clients will be able to pick the active RM without having
> to traverse a list of configured RMs.
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