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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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<Item> <New class="org.mortbay.jetty.nio.SelectChannelConnector"> <Set name="port">8080</Set> <Set name="maxIdleTime">30000</Set> <Set name="lowResourceMaxIdleTime">3000</Set> <Set name="Acceptors">1</Set> <Set name="StatsOn">true</Set> </New> </Item> |
Request Statistics
To collect request statistics a StatisticsHandler must be configured as one of the handlers of the server. Typically this can be done as the top level handler, but you may wish to configure a statistics handler for just one context. The following jetty.xml fragment shows how to configure a top level statistics handler:
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<!-- =========================================================== --> <!-- Set handler Collection Structure --> <!-- =========================================================== --> <Set name="handler"> <New class="org.mortbay.jetty.handler.StatisticsHandler"> <Set name="handler"> <New id="handlers" class="org.mortbay.jetty.handler.HandlerCollection"> <Set name="handlers"> <Array type="org.mortbay.jetty.Handler"> <Item><New id="contexts" class="org.mortbay.jetty.handler.ContextHandlerCollection"/></Item> <Item><New id="defaultHandler" class="org.mortbay.jetty.handler.DefaultHandler"/></Item> <Item><New id="requestLog" class="org.mortbay.jetty.handler.RequestLogHandler"/></Item> </Array> </Set> </New> </Set> </New> </Set> |