内容简介:ApacheBench是命令行下一个常用的HTTP服务压力测试工具。默认情况下,ApacheBench只进行一次测试。
ApacheBench是命令行下一个常用的HTTP服务压力测试工具。
ApacheBench使用示例
1. 测试百度首页一次
ab www.baidu.com/
默认情况下,ApacheBench只进行一次测试。
注意: URL必须至少有一个斜杠,否则ApacheBench不识别。
控制台输出
This is ApacheBench, Version 2.3 <$Revision: 1826891 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking www.baidu.com (be patient).....done Server Software: BWS/1.1 Server Hostname: www.baidu.com Server Port: 80 Document Path: / Document Length: 153011 bytes Concurrency Level: 1 Time taken for tests: 0.048 seconds Complete requests: 1 Failed requests: 0 Total transferred: 153973 bytes HTML transferred: 153011 bytes Requests per second: 21.04 [#/sec] (mean) Time per request: 47.533 [ms] (mean) Time per request: 47.533 [ms] (mean, across all concurrent requests) Transfer rate: 3163.37 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 12 12 0.0 12 12 Processing: 35 35 0.0 35 35 Waiting: 13 13 0.0 13 13 Total: 48 48 0.0 48 48
2. 压测百度首页,4并发共40个请求
ab -n 40 -c 4 www.baidu.com/
控制台输出
This is ApacheBench, Version 2.3 <$Revision: 1826891 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking www.baidu.com (be patient).....done Server Software: BWS/1.1 Server Hostname: www.baidu.com Server Port: 80 Document Path: / Document Length: 153337 bytes Concurrency Level: 4 Time taken for tests: 5.136 seconds Complete requests: 40 Failed requests: 39 (Connect: 0, Receive: 0, Length: 39, Exceptions: 0) Total transferred: 6166547 bytes HTML transferred: 6127863 bytes Requests per second: 7.79 [#/sec] (mean) Time per request: 513.563 [ms] (mean) Time per request: 128.391 [ms] (mean, across all concurrent requests) Transfer rate: 1172.59 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 4 61 234.6 6 1086 Processing: 30 407 568.1 297 3302 Waiting: 6 18 41.0 10 266 Total: 34 468 610.2 316 3309 Percentage of the requests served within a certain time (ms) 50% 316 66% 433 75% 584 80% 671 90% 1088 95% 1757 98% 3309 99% 3309 100% 3309 (longest request)
可见,这些请求最短耗时34毫秒,最长耗时3309毫秒,平均耗时468毫秒
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