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Posted to yarn-issues@hadoop.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2013/08/08 18:57:49 UTC

[jira] [Commented] (YARN-1033) Expose RM active/standby state to web UI and metrics

    [ https://issues.apache.org/jira/browse/YARN-1033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13733681#comment-13733681 ] 

Bikas Saha commented on YARN-1033:
----------------------------------

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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