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From "Aleksandr Kovalenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-2641) Perf: Background Ops dialog pegs CPU on a large cluster
Date Fri, 12 Jul 2013 14:53:49 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706984#comment-13706984
] 

Aleksandr Kovalenko commented on AMBARI-2641:
---------------------------------------------

+1 for the patch.
                
> Perf: Background Ops dialog pegs CPU on a large cluster
> -------------------------------------------------------
>
>                 Key: AMBARI-2641
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2641
>             Project: Ambari
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.2.5
>            Reporter: Andrii Tkach
>            Assignee: Andrii Tkach
>            Priority: Critical
>             Fix For: 1.2.5
>
>         Attachments: AMBARI-2641.patch
>
>
> On a cluster with atleast 100 hosts, clicking on the background ops button (beside cluster
name) takes 3-4s for the dialog to come up. Stop like 2 services (which themselves launch
this dialog). Then clicking on the same background ops button takes like >90s to launch.
> The CPU is pegged at 100%, and Chrome warns multiple times to kill the page.

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