Microsoft IIS Performance Metrics

Metric

Explanation

Performance Object

Bytes Sent / Sec.

The number of bytes that are sent by the server each second.

Web Service(_Total)Bytes Sent
/sec

Bytes Received / Sec.

The number of bytes that are received by the server each second.

Web Service(_Total)Bytes Received/sec

Anonymous Users / Sec.

The rate, in seconds, at which users have made anonymous requests to the IIS server.

Web Service(_Total) Anonymous Users/sec

Non-anonymous Users / Sec.

The rate, in seconds, at which registered users have made non anonymous requests to the IIS service.

Web Service(_Total) NonAnonymous Users/sec

Current Connections

The number of active connections to the IIS server.

Web Service(_Total)Current Connections

Connection Attempts / Sec.

The number of connection attempts that have been made, per second, since the IIS server was started.

Web Service(_Total)Connection Attempts/sec

Logon Attempts / Sec.

The number of attempts, per second, that are being made to log on to the server.

Web Service(_Total)Logon Attempts/sec

Get Requests / Sec.

The rate, in seconds, at which HTTP requests using the GET method have been made to the server.

Web Service(_Total)Get Requests/sec

Post Requests / Sec.

The rate, in seconds, at which HTTP requests using the POST method have been made to the server.

Web Service(_Total)Post Requests/sec

CGI Requests / Sec.

The rate, in seconds, at which the server is processing simultaneous CGI (Common Gateway Interface) requests.

Web Service(_Total)CGI Requests/sec

ISAPI Requests / Sec.

The rate, in seconds, at which the server is processing ISAPI extension requests.

Web Service(_Total)ISAPI Extension Requests/sec

Not Found Errors
/ Sec.

The maximum number of 404 file not found errors indicating that the requested document cannot be found on the server that can occur each second.

Web Service(_Total)Not Found Errors/sec