A line chart labeled Average Active Sessions is shown. The units of the x-axis are times of the day, shown in 10-minute intervals. The x-coordinates shown range from 2:45 pm to 4:00 pm. The units of the y-axis are: active sessions. The y-coordinates shown range from 0.0 to 2.5. The following types of information are plotted in the chart: Other, Queueing, Network, Administrative, Configuration, Commit, Application, Concurrency, System I/O, User I/O, Scheduler, CPU Used. The chart indicates that spikes occurred from 2:45 to 3:15, and at 3:30. The largest spike was at about 3:10. The spikes were mainly caused by CPU usage, user I/O, and system I/O.

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