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mackerel-plugin-jvm

JVM(jstat) custom metrics plugin for mackerel.io agent.

Synopsis

mackerel-plugin-jvm -javaname=<javaname> [-pidfile=</path/to/pidfile>] [-jstatpath=</path/to/jstat] [-jpspath=/path/to/jps] [-jinfopath=/path/to/jinfo] [-host=<host>] [-port=<port>]

Requirements

  • JVM 1.6 or higher

Example of mackerel-agent.conf

[plugin.metrics.jvm]
command = "/path/to/mackerel-plugin-jvm -javaname=NettyServer -jstatpath=/usr/bin/jstat -jpspath=/usr/bin/jps -jinfopath=/usr/bin/jinfo"
user = "SOME_USER_NAME"

About javaname

You can check javaname by jps command.

# jps
14203 NettyServer
14822 Jps

Please choose an arbitrary name as javaname when you use pidfile option. It is just used as a prefix of graph label.

User to execute this plugin

This plugin (as well as the jps command explained above) must be executed by the user who executes the target Java application process, while mackerel-agent usually runs under root privilege. Since the executing user may not be root, you are required to specify the user in mackerel-agent-conf as shown above.

References