jvm stats should be monitored in cacti

[James E. Blair]

a jmx based approach could work, but requires a lot of extra software on the cacti machine, as well as a jmx plugin installed in the gerrit container:
http://forums.cacti.net/post-197459.html

snmp is probably the easiest and most elegant way:
http://forums.cacti.net/viewtopic.php?f=12&t=23490&start=0

requires openjdk 7, and upgrading the gerrit machines to oneiric

[Gustavo Morozowski (gustavomzw)]

a good altenative is to use a combination of jolokia agent (http://www.jolokia.org/) to export jmx as HTTP/JSON and cacti jmx4perl plugin.