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OS X Mountain Lion Server For Dummies by John Rizzo

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Seeing the Long View with the Stats Pane

The Stats pane of the Server app displays information useful when considering long-term trends. As Figure 18-12 shows, the Stats pane displays one of three graphs: processor usage, memory usage, and incoming and outgoing network traffic. You change which one to view with the pop-up menu at the lower left of the pane. The pop-up menu at the lower right lets you change the time period displayed, with choices ranging from the past hour to the past 7 days.

Figure 18-12: Network traffic displayed on the Stats pane.

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All three graphs measure things that can affect server performance, which can slow if the processor, memory, or network usage get too high. Viewing these indicators over different time periods lets you see if the heavy usage is an anomaly, periodic, or constant. Heavy usage might be an indicator that your server is doing more than it can handle and that you might need to offload some its tasks to another server.

Even if the usage levels are not at a critical point, the graphs are useful. You can find the times of least usage to determine when to do maintenance, for instance.

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