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• TransactionManager Statistics
• JVM Statistics
• AJP/Web/WebSSL Connector Statistics
• ThreadPool Statistics
• Web Application Statistics

What is the impact on performance?

Generally speaking, the more monitoring that is enabled, the greater impact on overall performance. Following this rule, the more MBeans being tracked by the monitoring plug-in on a given server, the greater the impact. It is generally good practice to limit enabled MBeans to only those that are necessary as opposed to having everything enabled.

Additionally, the monitoring plug-in is in a dormant state when not collecting snapshots. On a default deployment, it will only consume cycles once every 5 minutes.

Installation

There are two methods for installing the necessary Monitoring Plug-ins. The first (and easiest), is to log into the Geronimo administrative console for the instance of Geronimo onto which the plug-in(s) will be installed, and select 'Plugins' from the left navigation menu.

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