JConsole

After opening JConsole we either select local process or provide details of the remote process, including IP, port and credentials from etc/jmx.* files:

jconsole

Afterwards we navigate to MBeans tab from where we can access tigase.stats MBean. It offers similar options to XMPP - either accessing statistics for all components or only for particular component as well as adjusting level for which we want to obtain statistics:

jconsole