centos7.5 ab壓力測試安裝和swoole壓力測試

Apache Benchmark(簡稱ab) 是Apache安裝包中自帶的壓力測試工具 ，簡單易用

一、ab安裝

yum -y install httpd-tools

二、ab參數詳解，傳送門：http://httpd.apache.org/docs/2.2/programs/ab.html

三、ab使用

模擬10000鏈接數、100併發量

ab -n 10000 -c 100 http://127.0.0.1:9501/client.php

內容及解釋

Server Software:        swoole-http-server(服務器軟件名稱及版本信息)
Server Hostname:        127.0.0.1(服務器主機名)
Server Port:            9501(服務器端口)

Document Path:          /client.php(供測試的URL路徑)
Document Length:        3270 bytes(供測試的URL返回的文檔大小)

Concurrency Level:      100(併發數)
Time taken for tests:   5.977 seconds(壓力測試消耗的總時間)
Complete requests:      10000(併發的總次數)
Failed requests:        956(失敗的請求數)
   (Connect: 0, Receive: 0, Length: 956, Exceptions: 0)
Write errors:           0(網絡鏈接寫入錯誤數)
Total transferred:      34198934 bytes(傳輸的總數據量)
HTML transferred:       32698934 bytes(HTML文檔的總數據量)
Requests per second:    1673.16 [#/sec] (mean)(平均每秒的請求數)
Time per request:       59.767 [ms] (mean)(全部併發用戶(這裏是1000)都請求一次的平均時間)
Time per request:       0.598 [ms] (mean, across all concurrent requests)(單個用戶請求一次的平均時間)
Transfer rate:          5587.91 [Kbytes/sec] received（每秒獲取的數據長度 (傳輸速率，單位：KB/s)）

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   2.4      0      27
Processing:     5   59   4.7     59      75
Waiting:        0   59   4.7     59      75
Total:         25   59   3.4     59      76

Percentage of the requests served within a certain time (ms)
  50%     59　　## 50%的請求在59ms內返回
  66%     60　　## 56%的請求在60ms內返回
  75%     61
  80%     61
  90%     63
  95%     66
  98%     68
  99%     71
 100%     76 (longest request)

 

參考：https://blog.csdn.net/u011415782/article/details/78501799