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https://issues.apache.org/jira/browse/YARN-1033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13733681#comment-13733681
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Bikas Saha commented on YARN-1033:
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This would depend on the implementation choice for YARN-1027. If we dont start
all/external-facing services in standby mode then this jira will not work.
> Expose RM active/standby state to web UI and metrics
> ----------------------------------------------------
>
> Key: YARN-1033
> URL: https://issues.apache.org/jira/browse/YARN-1033
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 2.1.0-beta
> Reporter: nemon lou
> Assignee: nemon lou
>
> Both active and standby RM shall expose it's web server and show it's current
> state (active or standby) on web page.
> Cluster metrics also need this state for monitor.
> Standby RM web services shall refuse client request unless querying for RM
> state.
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