Mit Desai created MAPREDUCE-6082:
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Summary: Excessive logging by org.apache.hadoop.util.Progress when
value is NaN
Key: MAPREDUCE-6082
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6082
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Mit Desai
Assignee: Mit Desai
MAPREDUCE-5671 fixed the "illegal" progress values that do not fall into (0,1)
interval when the progress value is given. Whenever illegal value was
encountered, LOG.warn would log that incident.
As a result, each of the task's syslog will be full of WARN [main]
org.apache.hadoop.util.Progress: Illegal progress value found, progress is
Float.NaN. Progress will be changed to 0
Each input record will contribute to one line of such log, leading to most
of the tasks' syslog > 1GB.
We will need to change the log level to debug to avoid such excessive logging.
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