$ sudo vim /etc/rsyslog.conf
Uncomment these lines to accept UDP messages on the default port 514.
$ModLoad imudp
$UDPServerRun 514
local7.* /var/log/kafka.log
2. Restart the rsyslog service so the changes take effect
$ sudo service rsyslog restart
3. Open your log4j.properties file:
$ vi /opt/kafka/config/log4j.properties
log4j.rootLogger =INFO, stdout, SYSLOG
log4j.appender.SYSLOG =org.apache.log4j.net.SyslogAppender
log4j.appender.SYSLOG.SyslogHost =localhost
log4j.appender.SYSLOG.Facility =LOCAL7
log4j.appender.SYSLOG.threshold =INFO
log4j.appender.SYSLOG.DatePattern ='.'yyyy-MM-dd-HH
log4j.appender.SYSLOG.layout =org.apache.log4j.PatternLayout
log4j.appender.SYSLOG.layout.ConversionPattern =kafka-broker: [%d] %p %m (%c)%n
Log4j comes out of the box with a SyslogAppender
Configure SyslogAppender to write these messages as UDP over localhost to the syslog daemon. The first field in the conversion pattern is the syslog appname.
4. Restart Kafka
$ sudo stop kafka-broker
$ sudo start kafka-broker
Reference:
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