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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4711) Append time elapsed since job-start-time for finished tasks
Date Mon, 08 Oct 2012 17:52:03 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471696#comment-13471696

Robert Joseph Evans commented on MAPREDUCE-4711:

The patch looks OK to me, but I don't know if I like seeing all of the extra text in the table.
 It starts to make the table very crowded and busy and it already is too overcrowded for my
taste.  I would much rather have something visual then have a huge table with all of this
information in it, but that is probably a ways off.  Perhaps we could look at adding in something
to show/hide columns so we don't need to see everything, and if someone wants to dig deeper
into an issue they can add in more columns. Alternatively I would not mind having an analyze
this job link like in 1.0, at least until something better can be determined.

I also noticed that there appears to be a bug in the history server.  It is reporting the
task start time to be the same as the job start time (or at least the time that the task was
initialized by the AM).  In both 1.x and in the AM the task start time is the start time of
the first task attempt.  We need to file a JIRA for this too or else your new time is always
going to be the same as the column right next to it.
> Append time elapsed since job-start-time for finished tasks
> -----------------------------------------------------------
>                 Key: MAPREDUCE-4711
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4711
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>    Affects Versions: 0.23.3
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>         Attachments: MAPREDUCE-4711.branch-0.23.patch
> In 0.20.x/1.x, the analyze job link gave this information
> bq. The last Map task task_<sometask> finished at (relative to the Job launch time):
5/10 20:23:10 (1hrs, 27mins, 54sec)
> The time it took for the last task to finish needs to be calculated mentally in 0.23.
I believe we should print it next to the finish time.

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