Enable JMX on Kafka Brokers -

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i enabled jmx on kafka brokers adding 

    `kafka_jmx_opts="-dcom.sun.management.jmxremote=true       -dcom.sun.management.jmxremote.authenticate=false        -dcom.sun.management.jmxremote.ssl=false       -djava.rmi.server.hostname=<server_ip>       -djava.net.preferipv4stack=true`“.

however, when use ‘kafka.tools.jmxtool’ metrics, outputs unix time stamps not expected behavior. 

    sh /usr/local/kafka/bin/kafka-run-class.sh kafka.tools.jmxtool --    object-name 'kafka.server:type=brokertopicmetrics,name=alltopicsmessagesinpersec' --jmx-url service:jmx:rmi:///jndi/rmi://<server_ip>:9111/jmxrmi

the above command prints out unix time stamps. how can fix , have print out metrics?

you must set 'jmx_port' variable, or add following line bin/kafka-server-start.sh.

export jmx_port=${jmx_port:-9999}

then able connect kafka jmx metrics. use jconsole tool , 'localhost:9999' address.


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