The request that has been processed. The number of emited bytes in reply's body. The processing time of the request. A number between 1 and 4 . The number of threads ready to server client requests.
Idle threads are the threads ready to accept more requests on a given connection.
The number of idle threads. The total number of created threads. The total number of processed requests since the server is up. The average time to process a request. A long giving the maximum duration for a request.