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MAPREDUCE-6149. Document override log4j.properties in MR job. Contributed by Junping Du. 

(cherry picked from commit 6621c3598e)
This commit is contained in:
Harsh J 2014-12-30 23:12:32 +05:30
parent e25b789b19
commit 6d65e74670
2 changed files with 18 additions and 0 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -8,6 +8,9 @@ Release 2.7.0 - UNRELEASED
IMPROVEMENTS IMPROVEMENTS
MAPREDUCE-6149. Document override log4j.properties in MR job.
(Junping Du via harsh)
MAPREDUCE-6194. Bubble up final exception in failures during creation MAPREDUCE-6194. Bubble up final exception in failures during creation
of output collectors (Varun Saxena via harsh) of output collectors (Varun Saxena via harsh)

15
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
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@ -581,6 +581,8 @@
<value>INFO</value> <value>INFO</value>
<description>The logging level for the map task. The allowed levels are: <description>The logging level for the map task. The allowed levels are:
OFF, FATAL, ERROR, WARN, INFO, DEBUG, TRACE and ALL. OFF, FATAL, ERROR, WARN, INFO, DEBUG, TRACE and ALL.
The setting here could be overridden if "mapreduce.job.log4j-properties-file"
is set.
</description> </description>
</property> </property>
@ -589,6 +591,8 @@
<value>INFO</value> <value>INFO</value>
<description>The logging level for the reduce task. The allowed levels are: <description>The logging level for the reduce task. The allowed levels are:
OFF, FATAL, ERROR, WARN, INFO, DEBUG, TRACE and ALL. OFF, FATAL, ERROR, WARN, INFO, DEBUG, TRACE and ALL.
The setting here could be overridden if "mapreduce.job.log4j-properties-file"
is set.
</description> </description>
</property> </property>
@ -1598,6 +1602,17 @@
</description> </description>
</property> </property>
<property>
<name>mapreduce.job.log4j-properties-file</name>
<value></value>
<description>Used to override the default settings of log4j in container-log4j.properties
for NodeManager. Like container-log4j.properties, it requires certain
framework appenders properly defined in this overriden file. The file on the
path will be added to distributed cache and classpath. If no-scheme is given
in the path, it defaults to point to a log4j file on the local FS.
</description>
</property>
<property> <property>
<name>mapreduce.job.end-notification.max.retry.interval</name> <name>mapreduce.job.end-notification.max.retry.interval</name>
<value>5000</value> <value>5000</value>