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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License. See accompanying LICENSE file.
#
# Define some default values that can be overridden by system properties
hadoop.root.logger=DEBUG,CLA
yarn.app.mapreduce.shuffle.logger=${hadoop.root.logger}

# Define the root logger to the system property "hadoop.root.logger".
log4j.rootLogger=${hadoop.root.logger}, EventCounter

# Logging Threshold
log4j.threshold=ALL

#
# ContainerLog Appender
#

#Default values
yarn.app.container.log.dir=null
yarn.app.container.log.filesize=100

log4j.appender.CLA=org.apache.hadoop.yarn.ContainerLogAppender
log4j.appender.CLA.containerLogDir=${yarn.app.container.log.dir}
log4j.appender.CLA.containerLogFile=${hadoop.root.logfile}
log4j.appender.CLA.totalLogFileSize=${yarn.app.container.log.filesize}
log4j.appender.CLA.layout=org.apache.log4j.PatternLayout
log4j.appender.CLA.layout.ConversionPattern=%d{ISO8601} %p [%t] %c: %m%n

log4j.appender.CRLA=org.apache.hadoop.yarn.ContainerRollingLogAppender
log4j.appender.CRLA.containerLogDir=${yarn.app.container.log.dir}
log4j.appender.CRLA.containerLogFile=${hadoop.root.logfile}
log4j.appender.CRLA.maximumFileSize=${yarn.app.container.log.filesize}
log4j.appender.CRLA.maxBackupIndex=${yarn.app.container.log.backups}
log4j.appender.CRLA.layout=org.apache.log4j.PatternLayout
log4j.appender.CRLA.layout.ConversionPattern=%d{ISO8601} %p [%t] %c: %m%n

log4j.appender.shuffleCLA=org.apache.hadoop.yarn.ContainerLogAppender
log4j.appender.shuffleCLA.containerLogDir=${yarn.app.container.log.dir}
log4j.appender.shuffleCLA.containerLogFile=${yarn.app.mapreduce.shuffle.logfile}
log4j.appender.shuffleCLA.totalLogFileSize=${yarn.app.mapreduce.shuffle.log.filesize}
log4j.appender.shuffleCLA.layout=org.apache.log4j.PatternLayout
log4j.appender.shuffleCLA.layout.ConversionPattern=%d{ISO8601} %p [%t] %c: %m%n

log4j.appender.shuffleCRLA=org.apache.hadoop.yarn.ContainerRollingLogAppender
log4j.appender.shuffleCRLA.containerLogDir=${yarn.app.container.log.dir}
log4j.appender.shuffleCRLA.containerLogFile=${yarn.app.mapreduce.shuffle.logfile}
log4j.appender.shuffleCRLA.maximumFileSize=${yarn.app.mapreduce.shuffle.log.filesize}
log4j.appender.shuffleCRLA.maxBackupIndex=${yarn.app.mapreduce.shuffle.log.backups}
log4j.appender.shuffleCRLA.layout=org.apache.log4j.PatternLayout
log4j.appender.shuffleCRLA.layout.ConversionPattern=%d{ISO8601} %p [%t] %c: %m%n

################################################################################
# Shuffle Logger
#
log4j.logger.org.apache.hadoop.mapreduce.task.reduce=${yarn.app.mapreduce.shuffle.logger}
log4j.additivity.org.apache.hadoop.mapreduce.task.reduce=false
# Merger is used for both map-side and reduce-side spill merging. On the map
# side yarn.app.mapreduce.shuffle.logger == hadoop.root.logger
#
log4j.logger.org.apache.hadoop.mapred.Merger=${yarn.app.mapreduce.shuffle.logger}
log4j.additivity.org.apache.hadoop.mapred.Merger=false
#
# Event Counter Appender
# Sends counts of logging messages at different severity levels to Hadoop Metrics.
#
log4j.appender.EventCounter=org.apache.hadoop.log.metrics.EventCounter