ab压力测试

ab -n 1000 -c 50 http://test.xxxx.com/www/

Document Path: /www/ Document Length: 28625 bytes #请求文档大小

Concurrency Level: 50 #并发数 Time taken for tests: 47.986 seconds #全部请求完成耗时 Complete requests: 1000 #全部请求 Failed requests: 0 #失败的请求 Write errors: 0 Total transferred: 29014000 bytes #总传输大小 HTML transferred: 28625000 bytes #html内容传输量 Requests per second: 20.84 [#/sec] (mean)#重要指标之一，每秒请求数（平均） Time per request: 2399.308 [ms] (mean)#重要指标之一，每次并发请求时间 Time per request: 47.986 [ms] (mean, across all concurrent requests)#每个请求实际运行时间，平均值 Transfer rate: 590.46 [Kbytes/sec] received #传输速率

Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.4 0 2 Processing: 922 2379 376.4 2389 3723 Waiting: 891 2319 369.0 2326 3715 Total: 925 2379 376.2 2389 3723

Percentage of the requests served within a certain time (ms) 50% 2389 66% 2521 75% 2594 80% 2659 90% 2806 95% 2905 98% 3113 99% 3417 100% 3723 (longest request) #50%的用户响应时间小于2389毫秒 #最长的响应时间是3723毫秒