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From "Yusaku Sako (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-2635) Perf: Service summary view inefficiently binds to host components
Date Fri, 12 Jul 2013 23:03:48 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-2635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13707508#comment-13707508
] 

Yusaku Sako commented on AMBARI-2635:
-------------------------------------

+1 for the updated patch.
                
> Perf: Service summary view inefficiently binds to host components
> -----------------------------------------------------------------
>
>                 Key: AMBARI-2635
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2635
>             Project: Ambari
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.2.5
>            Reporter: Srimanth Gunturi
>            Assignee: Srimanth Gunturi
>              Labels: performance
>             Fix For: 1.2.5
>
>         Attachments: AMBARI-2635_2.patch, AMBARI-2635.patch
>
>
> In {{ambari-web/app/views/main/service/info/summary.js#hostComponentsUpd()}}, is called
per each hostComponent's host and master property change. On a 150 node cluster, we get like
300 calls just for this method.
> Due to this, service_mapper, which usually maps in 600ms, takes now 5.8s. 

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