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How to collect statistics

Jetty 6 currently has two levels of statistic collection:

  1. Connectors optionally collect statistics about connections
  2. The StatisticsHandler class may be used to collect request statistics.

General

To view statistics, you must be able to view mbeans with either jconsole or some other
mbean agent. By default Connector statistics are turned off and must either be configured
or turned on via the mbean interface.

Connector statistics

Detailed statitics on connection duration and number of requests is only collated when a connection is closed. The current, min and maximum number of connections is the only "live" statistic. The following example shows how to turn on connector statistics in jetty.xml (although this is not recommended and it is best to use an mbean agent to select statistics only when needed).

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Contact the core Jetty developers at www.webtide.com
private support for your internal/customer projects ... custom extensions and distributions ... versioned snapshots for indefinite support ... scalability guidance for your apps and Ajax/Comet projects ... development services from 1 day to full product delivery