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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-18407) BE: /api/v1/persist/CLUSTER_CURRENT_STATUS takes more than 2s for transferring 307KB response
Date Fri, 16 Sep 2016 12:32:21 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-18407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15496218#comment-15496218
] 

Hudson commented on AMBARI-18407:
---------------------------------

FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #5682 (See [https://builds.apache.org/job/Ambari-trunk-Commit/5682/])
AMBARI-18407 BE:api/v1/persist/CLUSTER_CURRENT_STATUS takes more than 2s (atkach: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=51cbf0df6b6ba6922b236c3a0a4cfa39e3d919e5])
* (edit) ambari-web/test/controllers/global/user_settings_controller_test.js
* (edit) ambari-web/test/views/main/alerts/manage_alert_notifications_view_test.js
* (edit) ambari-web/app/router.js
* (edit) ambari-web/app/views/common/widget/graph_widget_view.js
* (edit) ambari-web/test/views/common/widget/graph_widget_view_test.js
* (edit) ambari-web/app/controllers/login_controller.js
* (edit) ambari-web/app/controllers/global/user_settings_controller.js
* (edit) ambari-web/test/controllers/login_controller_test.js


> BE: /api/v1/persist/CLUSTER_CURRENT_STATUS takes more than 2s for transferring 307KB
response
> ---------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-18407
>                 URL: https://issues.apache.org/jira/browse/AMBARI-18407
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.1.0
>            Reporter: Andrii Tkach
>            Assignee: Andrii Tkach
>            Priority: Critical
>             Fix For: 3.0.0
>
>         Attachments: AMBARI-18047.patch
>
>
> Ambari UI when logging-in requests the persisted cluster status from the /api/v1/persist/CLUSTER_CURRENT_STATUS
call. On a 800 node cluster this takes 2s or more to GET.
> The majority of time is in the transfer of bytes. 
> A 3.8s call had a wait time (time to first byte) of 815ms, and content download time
of 2.98s.
> We need to see if the download time can be improved.



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