log4j.template.properties

# Unspecified loggers and loggers with additivity=true output to server.log and stdout
# Note that INFO only applies to unspecified loggers, the log level of the child logger is used otherwise

log4j.rootLogger={{ env["KAFKA_LOG4J_ROOT_LOGLEVEL"] | default('INFO') }}, stdout, kafkaAppender

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c)%n

log4j.appender.kafkaAppender=org.apache.log4j.RollingFileAppender
log4j.appender.kafkaAppender.File=/var/log/broker/server.log
log4j.appender.kafkaAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.kafkaAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
log4j.appender.kafkaAppender.Append=true
log4j.appender.kafkaAppender.MaxBackupIndex=10
log4j.appender.kafkaAppender.MaxFileSize=100MB

log4j.appender.stateChangeAppender=org.apache.log4j.RollingFileAppender
log4j.appender.stateChangeAppender.File=/var/log/broker/state-change.log
log4j.appender.stateChangeAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.stateChangeAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
log4j.appender.stateChangeAppender.Append=true
log4j.appender.stateChangeAppender.MaxBackupIndex=10
log4j.appender.stateChangeAppender.MaxFileSize=100MB
log4j.additivity.state.change.logger=false

log4j.appender.requestAppender=org.apache.log4j.RollingFileAppender
log4j.appender.requestAppender.File=/var/log/broker/kafka-request.log
log4j.appender.requestAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.requestAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
log4j.appender.requestAppender.Append=true
log4j.appender.requestAppender.MaxBackupIndex=10
log4j.appender.requestAppender.MaxFileSize=100MB
log4j.additivity.kafka.request.logger=false

log4j.appender.cleanerAppender=org.apache.log4j.RollingFileAppender
log4j.appender.cleanerAppender.File=/var/log/broker/log-cleaner.log
log4j.appender.cleanerAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.cleanerAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
log4j.appender.cleanerAppender.Append=true
log4j.appender.cleanerAppender.MaxBackupIndex=10
log4j.appender.cleanerAppender.MaxFileSize=100MB
log4j.additivity.kafka.log.LogCleaner=false

log4j.appender.controllerAppender=org.apache.log4j.RollingFileAppender
log4j.appender.controllerAppender.File=/var/log/broker/controller.log
log4j.appender.controllerAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.controllerAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
log4j.appender.controllerAppender.Append=true
log4j.appender.controllerAppender.MaxBackupIndex=10
log4j.appender.controllerAppender.MaxFileSize=100MB
log4j.additivity.kafka.controller=false

log4j.appender.authorizerAppender=org.apache.log4j.RollingFileAppender
log4j.appender.authorizerAppender.File=/var/log/broker/kafka-authorizer.log
log4j.appender.authorizerAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.authorizerAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
log4j.appender.authorizerAppender.Append=true
log4j.appender.authorizerAppender.MaxBackupIndex=10
log4j.appender.authorizerAppender.MaxFileSize=100MB
log4j.additivity.kafka.authorizer.logger=false


{% set loggers = {
  'kafka': 'INFO',
  'kafka.network.RequestChannel$': 'WARN',
  'kafka.producer.async.DefaultEventHandler': 'DEBUG',
  'kafka.request.logger': 'WARN',
  'kafka.controller': 'TRACE',
  'kafka.log.LogCleaner': 'INFO',
  'state.change.logger': 'TRACE',
  'kafka.authorizer.logger': 'WARN'
  } -%}


{% if env['KAFKA_LOG4J_LOGGERS'] %}
{% set loggers = parse_log4j_loggers(env['KAFKA_LOG4J_LOGGERS'], loggers) %}
{% endif %}

{% for logger,loglevel in loggers.items() %}
log4j.logger.{{logger}}={{loglevel}}
{% endfor %}