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Fabric3 monitoring is built on SCA pub/sub eventing (c.f. PubSub Eventing). Monitor events are sent to an underlying channel where consumers can observe them. By default, monitor events emitted from application components are set to the ApplicationMonitorChannel, which is a channel provided by the Fabric3 runtime. The ApplicationMonitorChannel has a consumer attached which records events to a log using LogBack (LogBack). For more information on how to configure application event logging, see The Fabric3 Server.