$ ab -n 100 -c 20 http://fl8.jp/
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking fl8.jp (be patient).....done
Server Software: Apache/2.2.15
Server Hostname: fl8.jp
Server Port: 80
Document Path: /
Document Length: 25 bytes
Concurrency Level: 20
Time taken for tests: 1.027 seconds
Complete requests: 100
Failed requests: 68
(Connect: 0, Receive: 0, Length: 68, Exceptions: 0)
Write errors: 0
Non-2xx responses: 68
Total transferred: 63053 bytes
HTML transferred: 41965 bytes
Requests per second: 97.33 [#/sec] (mean)
Time per request: 205.482 [ms] (mean)
Time per request: 10.274 [ms] (mean, across all concurrent requests)
Transfer rate: 59.93 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 8 8 0.1 8 8
Processing: 17 177 206.1 48 586
Waiting: 17 160 180.7 47 508
Total: 25 185 206.1 56 594
Percentage of the requests served within a certain time (ms)
50% 56
66% 86
75% 432
80% 451
90% 520
95% 541
98% 585
99% 594
100% 594 (longest request)