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arogulin/profile-java-in-docker.md

Last active May 29, 2018 07:14
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How to profile java app inside docker container on remote host protected by firewall
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profile-java-in-docker.md
  1. Restart the app with the following JVM arguments:
-Dcom.sun.management.jmxremote.port=9010
-Dcom.sun.management.jmxremote.rmi.port=9010
-Dcom.sun.management.jmxremote=true
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.local.only=false

  1. Expose port 9010 for that docker container.

  2. Bring up an SSH tunnel to the host, which runs that docker container, to forward all communications through port 9010:

ssh vpn -L 9010:localhost:9010
  1. Start jvisualvm and add new "JMX connection" to "localhost:9010"
  2. "Profile" tab will not be available, because of JMX. But, "Sampling" tab is useful.
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