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https://issues.apache.org/jira/browse/YARN-3127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Naganarasimha G R updated YARN-3127:
------------------------------------
    Description: 
1.Start RM with HA and ATS configured and run some yarn applications
2.Once applications are finished sucessfully start timeline server
3.Now failover HA form active to standby or restart the node

ATS events for the applications already existing in ATS are resent which is not 
required.


  was:
1.Start RM with HA and ATS configured and run some yarn applications
2.Once applications are finished sucessfully start timeline server
3.Now failover HA form active to standby
4.Access timeline server URL <IP>:<PORT>/applicationhistory

//Note Earlier exception was thrown when accessed. 
Incomplete information is shown in the ATS web UI. i.e. attempt container and 
other information is not displayed.

Also even if timeline server is started with RM, and on RM restart/ recovery 
ATS events for the applications already existing in ATS are resent which is not 
required.



> Avoid timeline events during RM recovery or restart
> ---------------------------------------------------
>
>                 Key: YARN-3127
>                 URL: https://issues.apache.org/jira/browse/YARN-3127
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, timelineserver
>    Affects Versions: 2.6.0, 2.7.1
>         Environment: RM HA with ATS
>            Reporter: Bibin A Chundatt
>            Assignee: Naganarasimha G R
>            Priority: Critical
>         Attachments: AppTransition.png, YARN-3127.20150213-1.patch, 
> YARN-3127.20150329-1.patch, YARN-3127.20150624-1.patch, 
> YARN-3127.20151123-1.patch
>
>
> 1.Start RM with HA and ATS configured and run some yarn applications
> 2.Once applications are finished sucessfully start timeline server
> 3.Now failover HA form active to standby or restart the node
> ATS events for the applications already existing in ATS are resent which is 
> not required.



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