Performance Tab

The first tool that you'll want to use in performance monitoring is found on the administration console. As you've probably noticed by now, each server has a Performance tab available. Click on it and you'll see something like Figure 9-1.

Figure 9-1. Performance Tab

Five resources are graphically monitored on this tab ^[1] :

^[1] It is perhaps worth noting that the server represented in Figure 9-1 is sitting on my desk and not accessible to anyone except me and perhaps an unusually dedicated and creative cracker. On a production server, you'd typically expect to see a bit more activity.

Idle Threads	The number of threads on the server currently idle
Oldest Pending Request	The amount of time the oldest request has been waiting for service
Throughput	The rate at which this server processes requests
Queue Length	Number of client processes waiting for service
Memory Usage	The amount of memory currently being used by the server