[jira] [Commented] (AMBARI-13025) Switching config versions results in 'Restart Required' message showing up with delay

["Andrii Tkach (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-13025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14733792#comment-14733792 ] 

Andrii Tkach commented on AMBARI-13025:
---------------------------------------

 6715 tests complete (12 seconds)
  94 tests pending

> 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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