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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-7602) Usability UX: color indicator to signify NameNode is in safemode
Date Wed, 01 Oct 2014 22:35:35 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-7602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14155683#comment-14155683
] 

Hadoop QA commented on AMBARI-7602:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12672435/AMBARI-7602.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/66//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/66//console

This message is automatically generated.

> Usability UX: color indicator to signify NameNode is in safemode
> ----------------------------------------------------------------
>
>                 Key: AMBARI-7602
>                 URL: https://issues.apache.org/jira/browse/AMBARI-7602
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-web
>    Affects Versions: 1.4.0
>            Reporter: Xi Wang
>            Assignee: Xi Wang
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-7602.patch, Screen Shot 2014-10-01 at 3.00.45 PM.png
>
>
> PROBLEM: Not obvious when the namenode is in safemode. It does show safemode status in
small text but it would be nice if there was a color indicator in Ambari for HDFS showing
it is in safemode
> BUSINESS IMPACT: Can decrease confusion when safemode is on either due to manually placing
it in safemode, a restart, or low HDFS space that automatically placed it in safemode
> USE CASE: Customer did not realize safemode had been entered due to low HDFS space and
it took a while to figure out status
> SOLUTION:
> - Plan: (see attached)
> If NN is in safe mode, make the text 'in safe mode' orange.
> If NN is not in safe mode, the text remains in grey color.
> - A similar scenario we did:
> For HDFS Upgrade Status, if 'No pending upgrade', the text remains in grey color;
> If upgrade required, the text would be orange.



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