ruby-on-rails – 如何查看我的应用每秒可处理的请求数量？

ab -n 2000 -c 200 http://yourdomain.com/

其中n是要发出的请求数,c是要使用的客户端数.

你会得到一份报告

Document Path:          /
Document Length:        36153 bytes

Concurrency Level:      200
Time taken for tests:   4.544 seconds
Complete requests:      2000
Failed requests:        0
Write errors:           0
Total transferred:      72732000 bytes
HTML transferred:       723
ab -n 2000 -c 200 http://yourdomain.com/

 bytes
 Requests per second: 440.17 [#/sec] (mean)
 Time per request: 454.366 [ms] (mean)
 Time per request: 2.272 [ms] (mean,across all concurrent requests)
 Transfer rate: 15632.19 [Kbytes/sec] received
Connection Times (ms)
 min mean[+/-sd] median max
 Connect: 72 77 59.1 73 1075
 Processing: 160 357 96.3 325 636
 Waiting: 73 196 95.9 165 488
 Total: 234 434 109.9 398 1340
ab -n 2000 -c 200 http://yourdomain.com/Percentage of the requests served within a certain time (ms) 50% 398 66% 419 75% 440 80% 468 90% 607 95% 671 98% 688 99% 700 100% 1340 (longest request)