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excerpt
The Geronimo monitoring plug-in is broken down between server and client plug-ins, referred to as the 'Agent' and 'Console' respectively. When properly setup, these plug-ins provide both local and remote real-time JSR77 compliant statistic monitoring, as well as historical tracking of any exposed statistic with visual representations drawn in the form of graphs through the Dojo Toolkit's dojoX Charting packages.
Agent (Server) The Agent plug-in can be deployed headless on an instance of Geronimo requiring no administrative console able to be polled by the console plug-in from any instance of Geronimo that can communicate with it. There are two flavors of the Agent plug-in available; the first allowing for EJB connections, and the second allowing for JMX connections between the Console and Agent.
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For monitoring the Web server performance the Monitoring portlet is available by selecting Monitoring on the Console Navigation menu on the left hand side. This feature will allow you to view a number of server statistics on the system JVM, web servers, and information via the AJP protocol. The graph information is provided by the data exposed by the connector MBean. You can use predefined graphs and views in Geronimo already. See Monitoring the server with predefined graphs and views for the details.
In this example, we attempt to determine if there is a correlation between the server JVM heap space and the web containers number of bytes downloaded. In other words, this monitoring session will show if the server is releasing heap memory after client downloads.
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- Name=GeronimoServer
- IP/Hostname=localhost
Wiki Markup - Port=\[default=4201\]
- Username=system
- Password=manager
- Password(verify)=manager
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