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https://issues.apache.org/jira/browse/AMBARI-13025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14733802#comment-14733802
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Aleksandr Kovalenko commented on AMBARI-13025:
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+1 for the patch
> Switching config versions results in 'Restart Required' message showing up
> with delay
> -------------------------------------------------------------------------------------
>
> Key: AMBARI-13025
> URL: https://issues.apache.org/jira/browse/AMBARI-13025
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.0
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Priority: Critical
> Fix For: 2.1.2
>
> Attachments: AMBARI-13025.patch, Screen Shot 2015-08-12 at 1.30.44
> PM.png, network-log-screenshot.png, timeline.png
>
>
> In ZK service I had 5 different config versions and the service was all
> in-sync. Then I made an older version current. After like 5s the 'Restart
> Required' message showed up. This problem becomes worse on larger clusters -
> it took 20s on a 20 node cluster etc.
> We need to see if UI is updating the status with such delay, or if there is a
> specific API that is slow to provide the updated status. If it is an API
> issue, please specify the exact API and turn it into a BE issue.
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