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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (MAPREDUCE-2264) Job status exceeds 100% in some cases
Date Mon, 28 Jan 2013 18:55:15 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Alejandro Abdelnur reopened MAPREDUCE-2264:

Agree with Arun. Reverting from trunk and branch-2. Sandy, please take care of the proper
fix here. I'm wondering why none of the existing testcases caught this.
> Job status exceeds 100% in some cases 
> --------------------------------------
>                 Key: MAPREDUCE-2264
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2264
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.20.2,
>            Reporter: Adam Kramer
>            Assignee: Devaraj K
>              Labels: critical-0.22.0
>             Fix For: 1.2.0, 2.0.3-alpha
>         Attachments: MAPREDUCE-2264-0.20.205-1.patch, MAPREDUCE-2264-0.20.205.patch,
MAPREDUCE-2264-0.20.3.patch, MAPREDUCE-2264-branch-1-1.patch, MAPREDUCE-2264-branch-1-2.patch,
MAPREDUCE-2264-branch-1.patch, MAPREDUCE-2264-trunk-1.patch, MAPREDUCE-2264-trunk-1.patch,
MAPREDUCE-2264-trunk-2.patch, MAPREDUCE-2264-trunk-3.patch, MAPREDUCE-2264-trunk.patch, more
than 100%.bmp
> I'm looking now at my jobtracker's list of running reduce tasks. One of them is 120.05%
complete, the other is 107.28% complete.
> I understand that these numbers are estimates, but there is no case in which an estimate
of 100% for a non-complete task is better than an estimate of 99.99%, nor is there any case
in which an estimate greater than 100% is valid.
> I suggest that whatever logic is computing these set 99.99% as a hard maximum.

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