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One of the primary goals in developing the monitoring and management plugin was to allow an administrator to monitor any exposed component on any Geronimo server.
Datasources
The datasources used to communicate to the DB on the server and client side are all packaged into separate plugins. By default, the provided datasources are used to connect an Apache Derby database (the reason for this is because the default DB that Geronimo uses is also Derby). However, since these datasources are packaged as plugins, anyone is able to write their own datasource deployment descriptor, package it into a plugin, and use it instead of the one provided by default. Check the Configuring your own Monitoring Plugin DataSource section for further details.
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