Built-In Trackers

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Several trackers are built into AggreGate Server and appear under default administrator's user account:

•	Total Users. Shows the number of user accounts in the system.

•	Total Devices. Shows the number of Devices in the system.

•	Online Devices. Shows the number of Devices currently online.

•	Offline Devices. Shows the number of Devices currently offline.

•	Suspended Devices. Shows the number of Devices currently suspended.

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AggreGate Server Memory Usage. Shows the memory used by AggreGate Server as a percentage of the total memory available for it according to the Java Virtual Machine (JVM) startup configuration. The usage tend to follow a "sawtooth pattern" since it grows during normal server activities and instantly drops during a garbage collection that occurs in the JVM.

Garbage collection is a form of automatic memory management. The garbage collector periodically attempts to reclaim garbage, or memory occupied by objects that are no longer in use by the program.