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From "Binglin Chang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6068) Illegal progress value warnings in map tasks
Date Thu, 11 Sep 2014 11:17:34 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Binglin Chang updated MAPREDUCE-6068:
-------------------------------------
    Attachment: MAPREDUCE-6068.v1.patch

> Illegal progress value warnings in map tasks
> --------------------------------------------
>
>                 Key: MAPREDUCE-6068
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6068
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, task
>    Affects Versions: 3.0.0
>            Reporter: Todd Lipcon
>            Assignee: Binglin Chang
>         Attachments: MAPREDUCE-6068.v1.patch
>
>
> When running a terasort on latest trunk, I see the following in my task logs:
> {code}
> 2014-09-02 17:42:28,437 INFO [main] org.apache.hadoop.mapred.MapTask: Map output collector
class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
> 2014-09-02 17:42:42,238 WARN [main] org.apache.hadoop.util.Progress: Illegal progress
value found, progress is larger than 1. Progress will be changed to 1
> 2014-09-02 17:42:42,238 WARN [main] org.apache.hadoop.util.Progress: Illegal progress
value found, progress is larger than 1. Progress will be changed to 1
> 2014-09-02 17:42:42,241 INFO [main] org.apache.hadoop.mapred.MapTask: Starting flush
of map output
> {code}
> We should eliminate these warnings.



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