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From: "Vinod Kumar Vavilapalli (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Commented] (YARN-1665) Set better defaults for HA configs
 for automatic failover
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    [ https://issues.apache.org/jira/browse/YARN-1665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13894133#comment-13894133 ] 

Vinod Kumar Vavilapalli commented on YARN-1665:
-----------------------------------------------

Alright. Looks good. Checking this in.

> Set better defaults for HA configs for automatic failover
> ---------------------------------------------------------
>
>                 Key: YARN-1665
>                 URL: https://issues.apache.org/jira/browse/YARN-1665
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Arpit Gupta
>            Assignee: Xuan Gong
>         Attachments: YARN-1665.1.patch, YARN-1665.2.patch
>
>
> In order to enable HA (automatic failover) i had to set the following configs
> {code}
> <property>
>     <name>yarn.resourcemanager.ha.enabled</name>
>     <value>true</value>
>   </property>
>   
>   <property>
>     <name>yarn.resourcemanager.ha.automatic-failover.enabled</name>
>     <value>true</value>
>   </property>
>   <property>
>     <name>yarn.resourcemanager.ha.automatic-failover.embedded</name>
>     <value>true</value>
>   </property>
> {code}
> I believe the user should just have to set yarn.resourcemanager.ha.enabled=true and the rest should be set as defaults. Basically automatic failover should be the default.



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