[jira] [Commented] (AMBARI-12656) Hosts Page Performance: Avoid triggering hosts loading immediately after switching to hosts tab

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-12656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659378#comment-14659378 ] 

Hadoop QA commented on AMBARI-12656:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12748966/AMBARI-12656.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/3538//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/3538//console

This message is automatically generated.

> Hosts Page Performance: Avoid triggering hosts loading immediately after switching to hosts tab
> -----------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-12656
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12656
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.1.0
>            Reporter: Richard Zang
>            Assignee: Richard Zang
>            Priority: Critical
>             Fix For: 2.1.2
>
>         Attachments: AMBARI-12656.patch
>
>
> When the page of hosts has already been loaded to FE model store, we should avoid trigger hosts loading when user switch in/out hosts tab. Just reuse the front-end model to render the page and schedule an update request after a few seconds.



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