Diane Feddema created AMBARI-10745:
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Summary: Property settings mapreduce.map.log.level=DEBUG and
mapreduce.reduce.log.level=DEBUG set in ambari UI not taking effect
Key: AMBARI-10745
URL: https://issues.apache.org/jira/browse/AMBARI-10745
Project: Ambari
Issue Type: Bug
Reporter: Diane Feddema
In ambari version 1.6.1 setting properties
mapreduce.map.log.level=DEBUG
and
mapreduce.reduce.log.level=DEBUG
has no effect. Only "INFO" level log message are printed to the container
logs.
I also set yarn.nodemanager.delete.debug-delay-sec=6000
so that the container logs will not be deleted when the job finishes.
If you set env var
HADOOP_ROOT_LOGGER=DEBUG,console
And you specify these options on the command line, then DEBUG level messages
from "mapreduce" appear in standard output.
-Dyarn.app.mapreduce.am.log.level=DEBUG,console
-Dmapreduce.map.log.level=DEBUG,console
-Dmapreduce.reduce.log.level=DEBUG,console
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