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Date: Tue, 30 Jun 2015 16:57:04 +0000 (UTC)
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Subject: [jira] [Commented] (AMBARI-12212) When visiting Hosts page, UI
 makes two duplicated calls (performance issue)
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    [ https://issues.apache.org/jira/browse/AMBARI-12212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14608647#comment-14608647 ] 

Hudson commented on AMBARI-12212:
---------------------------------

SUCCESS: Integrated in Ambari-trunk-Commit #3039 (See [https://builds.apache.org/job/Ambari-trunk-Commit/3039/])
AMBARI-12212 When visiting Hosts page, UI makes two duplicated calls (performance issue). (atkach) (atkach: http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=83f1b62a120a42fd86aff61a0dabea4aa9b6f9d3)
* ambari-web/app/views/common/table_view.js
* ambari-web/app/mixins/common/table_server_mixin.js
* ambari-web/app/views/main/host.js
* ambari-web/test/views/main/host_test.js


> When visiting Hosts page, UI makes two duplicated calls (performance issue)
> ---------------------------------------------------------------------------
>
>                 Key: AMBARI-12212
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12212
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.1.0
>            Reporter: Andrii Tkach
>            Assignee: Andrii Tkach
>            Priority: Critical
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-12212.patch, Screen Shot 2015-06-29 at 9.10.18 PM.png
>
>
> UI is making duplicated calls when the user lands on Hosts page (same exact query parameters and form data).
> One of these calls is very expensive (BE takes a while to come back - on a 400-node cluster it took 10 seconds).
> See attached.
> We need to remove this redundant calls because this is an area where perf degradation is most pronounced and visible.


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