Standalone JVM Monitoring plugin

Stackdriver Monitoring can monitor Java Virtual Machine processes for common Java metrics.

Discovery

JVM metrics are collected when you configure one or more of the following Java-based plugins with Monitoring:

After you install the monitoring agent and configure one of the Java-based plugins, Monitoring populates the Java Virtual Machine page with inventory and metrics:

JVM Resources

Configuring Monitoring to monitor Java VMs

After you install the monitoring agent, use the following instructions to configure the JVM plugin on your instances.

Prerequisites

The JVM plugin requires version 5.5.0-257 or later of the monitoring agent. To update the agent, see Upgrading the agent.

Enabling the JVM monitoring plugin

Java Virtual Machines are monitored via JMX.

On your VM instance, download jvm-sun-hotspot.conf from the GitHub configuration repository and place it in the directory /opt/stackdriver/collectd/etc/collectd.d/:

(cd /opt/stackdriver/collectd/etc/collectd.d/ && sudo curl -O https://raw.githubusercontent.com/Stackdriver/stackdriver-agent-service-configs/master/etc/collectd.d/jvm-sun-hotspot.conf)

As root, edit the downloaded configuration file and replace JMX_PORT by the port on which your JVM is configured to allow JMX connections.

After adding the configuration file, restart the monitoring agent by running the following command:

sudo service stackdriver-agent restart

For more information on the collectd GenericJMX plugin used to monitor the JVM, see Plugin:GenericJMX.

What is monitored

The full list of metrics the JVM plugin monitors is at Agent metrics: jvm.

Any additional JMX metrics (MBean attributes) must be sent to Stackdriver Monitoring as custom metrics. For more information, see writing custom metrics. Any user-supplied MBeans added to the configuration that are not redirected to custom metrics will be rejected by the API.

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