使用ab做性能測試

• 2019 年 11 月 22 日
• 筆記

安裝ab

apt install -y apache2-utils

開始測試

ab -t 5 -c 1000 "http://127.0.0.1:8000/dynamic_hello?hello=yzh"

• -t 持續的時間
• -c 並發量

等待一會，出結果

結果分析

This is ApacheBench, Version 2.3 <$Revision: 1807734 $>  Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/  Licensed to The Apache Software Foundation, http://www.apache.org/    Benchmarking 127.0.0.1 (be patient)  Finished 1740 requests      Server Software:  Server Hostname:        127.0.0.1  Server Port:            8000    Document Path:          /dynamic_hello?hello=yzh  Document Length:        17 bytes    Concurrency Level:      1000  Time taken for tests:   5.261 seconds  Complete requests:      1740 // 請求數  Failed requests:        0  // 失敗數  Total transferred:      196880 bytes  HTML transferred:       31280 bytes  Requests per second:    330.76 [#/sec] (mean) // QPS  Time per request:       3023.304 [ms] (mean)  // 用戶感受的平均響應時間  Time per request:       3.023 [ms] (mean, across all concurrent requests)  // 服務端每個請求的處理時間  Transfer rate:          36.55 [Kbytes/sec] received    Connection Times (ms)                min  mean[+/-sd] median   max  Connect:        0  279 452.8      2    1034  Processing:   302  802 402.0    866    4229  Waiting:      280  695 372.7    731    4081  Total:        304 1082 732.1    869    5245    Percentage of the requests served within a certain time (ms)    50%    869    66%    909    75%   1583    80%   1939    90%   2009    95%   2638    98%   2647    99%   2649   100%   5245 (longest request)

關注這幾個指標就行了