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https://issues.apache.org/jira/browse/YARN-1033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13864892#comment-13864892
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Karthik Kambatla commented on YARN-1033:
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Hey [~nemon]. Are you still planning to work on this? Otherwise, I would like
to take a stab at it.
> 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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