一、ab壓力測試
# ab ‐c 100 ‐n 1000 http://vedio.linux.com/index.html
2 This is ApacheBench, Version 2.3 <$Revision: 1430300 $>
3 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
4 Licensed to The Apache Software Foundation, http://www.apache.org/
5
6 Benchmarking vedio.linux.com (be patient)
7 Completed 100 requests
8 Completed 200 requests
9 Completed 300 requests
10 Completed 400 requests
11 Completed 500 requests
12 Completed 600 requests
13 Completed 700 requests
14 Completed 800 requests
15 Completed 900 requests
16 Completed 1000 requests
17 Finished 1000 requests
18
19
20 Server Software: Apache
21 Server Hostname: vedio.linux.com
22 Server Port: 80
23
24 Document Path: /index.html
25 Document Length: 17 bytes
26
27 Concurrency Level: 100 //并發連接數
28 Time taken for tests: 1.252 seconds //服務器完成所有請求的花費的時間 【重要指標】
29 Complete requests: 1000
30 Failed requests: 0
31 Write errors: 0
32 Total transferred: 268000 bytes //傳輸了多少字節的數據; 真實數據+http首部
33 HTML transferred: 17000 bytes //傳輸了多少字節的數據; 真實數據
34 Requests per second: 798.78 [#/sec] (mean) //每秒處理的請求數, 吞吐率;【重要指標】
35 Time per request: 125.190 [ms] (mean) //用戶平均請求等待時間,單位ms 【重要指標】
36 Time per request: 1.252 [ms] (mean, across all concurrent requests) //用戶請求的處理時間 【重要指標】
37 Transfer rate: 209.06 [Kbytes/sec] received //衡量帶寬 【重要指標】
38
39 Connection Times (ms)
40 min mean[+/‐sd] median max
41 Connect: 0 7 11.9 2 56
42 Processing: 4 114 66.7 108 1071
43 Waiting: 2 96 46.0 93 1071
44 Total: 6 121 68.3 111 1104
45
46 Percentage of the requests served within a certain time (ms)
47 50% 111
48 66% 124
49 75% 140
50 80% 151
51 90% 174
52 95% 194
53 98% 267
54 99% 301
55 100% 1104 (longest request)