本站Web性能评估与优化

测试

# ab -c50 -n3000 http://jackslab.org/index.php
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 jackslab.org (be patient)
Completed 300 requests
Completed 600 requests
Completed 900 requests
Completed 1200 requests
Completed 1500 requests
Completed 1800 requests
Completed 2100 requests
Completed 2400 requests
Completed 2700 requests
Completed 3000 requests
Finished 3000 requests


Server Software:        Apache/2.4.7
Server Hostname:        jackslab.org
Server Port:            80

Document Path:          /index.php
Document Length:        0 bytes

Concurrency Level:      50
Time taken for tests:   220.660 seconds
Complete requests:      3000
Failed requests:        0
Write errors:           0
Non-2xx responses:      3000
Total transferred:      915000 bytes
HTML transferred:       0 bytes
Requests per second:    13.60 [#/sec] (mean)
Time per request:       3677.669 [ms] (mean)
Time per request:       73.553 [ms] (mean, across all concurrent requests)
Transfer rate:          4.05 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   5.5      0      57
Processing:  1698 3668 247.1   3672    6404
Waiting:     1698 3659 247.2   3664    6404
Total:       1698 3669 246.7   3672    6404

Percentage of the requests served within a certain time (ms)
  50%   3672
  66%   3705
  75%   3727
  80%   3744
  90%   3800
  95%   3885
  98%   4120
  99%   4412
 100%   6404 (longest request)