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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-6068) Illegal progress value warnings in map tasks
Date Wed, 03 Sep 2014 17:16:52 GMT
Todd Lipcon created MAPREDUCE-6068:
--------------------------------------

             Summary: 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


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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