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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5052) Job History UI and web services confusing job start time and job submit time
Date Fri, 22 Nov 2013 17:18:40 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13830126#comment-13830126
] 

Hadoop QA commented on MAPREDUCE-5052:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12615353/MAPREDUCE-5052.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 4 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 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

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

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site:

                  org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4226//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4226//console

This message is automatically generated.

> Job History UI and web services confusing job start time and job submit time
> ----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5052
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5052
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver, webapps
>    Affects Versions: 0.23.6
>            Reporter: Kendall Thrapp
>            Assignee: Chen He
>            Priority: Critical
>             Fix For: 2.3.0
>
>         Attachments: MAPREDUCE-5052.patch
>
>
> The "Start Time" column shown on Job History server's main webpage (http://<host>:<port>/jobhistory)
is actually showing the *submit* time for jobs.  However, when you drill down to an individual
job's page, there the "Start Time" really does refer to when the job actually started.  
> This also true for the web services REST API, where the Jobs listing returns the submit
times as "startTime", but the single Job API returns the start time as "startTime".
> The two different times being referred to by the same name is confusing.  However, it
is useful to have both times, as the difference between the submit time and start time can
show how long a job was stuck waiting in a queue.  The column on the main job history page
should be changed to "Submit Time" and the individual job's page should show both the submit
time and start time.  The web services REST API should be updated with these changes as well.



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