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From "Robert Joseph Evans (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-1073) Progress reported for pipes tasks is incorrect.
Date Sun, 29 Jan 2012 03:16:20 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Robert Joseph Evans updated MAPREDUCE-1073:

    Status: Open  (was: Patch Available)

Canceling the patch as the latest patch is over a year old, and will not apply to trunk any
more.  Dick, if you are still interested in getting this patch in, please up merge and repost
it.  I would be happy to review it, give you feed back on your approach, and commit it for
you.  If you have abandoned the JIRA please post a comment in the JIRA so I can close it for
> Progress reported for pipes tasks is incorrect.
> -----------------------------------------------
>                 Key: MAPREDUCE-1073
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1073
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: pipes
>    Affects Versions: 0.20.1
>            Reporter: Sreekanth Ramakrishnan
>            Assignee: Dick King
>         Attachments: MAPREDUCE-1073--yhadoop20--2010-07-22--1530.patch, MAPREDUCE-1073--yhadoop20--2010-07-22.patch,
MAPREDUCE-1073_yhadoop20.patch, mapreduce-1073--2010-03-31.patch, mapreduce-1073--2010-04-06.patch
> Currently in pipes, {{org.apache.hadoop.mapred.pipes.PipesMapRunner.run(RecordReader<K1,
V1>, OutputCollector<K2, V2>, Reporter)}} we do the following:
> {code}
>         while (input.next(key, value)) {
>           downlink.mapItem(key, value);
>           if(skipping) {
>             downlink.flush();
>           }
>         }
> {code}
> This would result in consumption of all the records for current task and taking task
progress to 100% whereas the actual pipes application would be trailing behind. 

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