Monitoring and Tuning Your Server

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Using PerfMon to Monitor Connections

Table 5.5 lists the counters that you use with PerfMon to monitor connections to IIS 5.0.

Table 5.5   Performance Counters for IIS 5.0 Service Connections

Counter Indicates
Web Service\ Current Connections
FTP Service\ Current Connections
The number of connections maintained by the service during the most recent sample interval
Web Service\ Maximum Connections
FTP Service\ Maximum Connections
The largest number of connections maintained simultaneously since the server was started

Because these counters display the last value they observe, and not an average, you must log their values over time to collect reliable data.

Also, these counters can exaggerate the number of simultaneous connections. This is because, at any given moment, some entries may not have been deleted, even though their connections have been closed.


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