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From "DIPAYAN BHOWMICK (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-12910) Ambari Views Framework - need support for accessing RM running under HA
Date Fri, 28 Aug 2015 07:04:45 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-12910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

DIPAYAN BHOWMICK updated AMBARI-12910:
--------------------------------------
    Attachment: AMBARI-12910_branch-2.1.patch

> Ambari Views Framework - need support for accessing RM running under HA
> -----------------------------------------------------------------------
>
>                 Key: AMBARI-12910
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12910
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-views
>    Affects Versions: 2.1.0
>            Reporter: DIPAYAN BHOWMICK
>             Fix For: 2.1.2
>
>         Attachments: AMBARI-12910_branch-2.1.patch
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> Currently all views like the Tez view, YARN cluster view and YARN admin views that need
to access YARN RMs running HA don't handle this scenario correctly.
> We need support in the views framework to enable this (note, if both RMs are running
the RMs handle redirecting from the standby RM to the active one, but it has to be tested
to work with the Ambari proxy. If one of the RMs is actually down, things are broken today).
> The Hive view might also need this.
> The following changes need to be considered:
> 1. The property that used to specify the RM location has to be extended to take a list
of RM locations
> 2. The Ambari proxy has to cycle through the locations until it find one that works
> 3. For auto-created view instances, based on the cluster configuration, the multi-RM
property in (1) has to be set correctly without user intervention



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