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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-16432) Give user visual feedback while we do background request and next button is disabled
Date Wed, 11 May 2016 08:33:13 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-16432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15279785#comment-15279785
] 

Hadoop QA commented on AMBARI-16432:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12803242/AMBARI-16432.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 6 new or modified
test files.

    {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 ambari-web.

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/6818//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/6818//console

This message is automatically generated.

> Give user visual feedback while we do background request and next button is disabled
> ------------------------------------------------------------------------------------
>
>                 Key: AMBARI-16432
>                 URL: https://issues.apache.org/jira/browse/AMBARI-16432
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-web
>    Affects Versions: 2.4.0
>            Reporter: Oleg Nechiporenko
>            Assignee: Oleg Nechiporenko
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-16432.patch
>
>
> User may think that he is blocked or did something wrong, on one of wizard (any wiz)
steps because Next button can be disabled (on significant time), especially on big clusters
or in case of slow connection speed, or bad ping. 
> We have many places where we disable "Next" button while we do some background operations/calculations.
Usually this are requests on validations/recommendations. Sometimes this can take a significant
time frame, before we will enable Next button. At the same time user is not aware why Next
button is disabled and he cannot proceed to next step. We should give user a visual feedback
that we are doing some calculations and that's why Next button is disabled. The easiest way
is, to switch Next button on spinner while we do our background stuff.



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