ab命令を使ってウェブサイトの性能をテストします。
Ab圧力試験ツールの使用
Abコマンドパラメータのコメント:
[root@ju ~]# ab -n1000 -c10 http://192.168.116.193/index.html # 10 ， 1000
This is ApacheBench, Version 2.3<$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus TechnologyLtd, http://www.zeustech.net/
Licensed to The Apache Software Foundation,http://www.apache.org/
Benchmarking 192.168.116.193 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests
Server Software: nginx/1.0.15 # apache
Server Hostname: 192.168.116.193 #
Server Port: 80 #
Document Path: /index.html #
Document Length: 3698 bytes #
Concurrency Level: 10 #
Time taken for tests: 0.577 seconds #
Complete requests: 1000 #
Failed requests: 0 # ， 、 、 ，
Write errors: 0 #
Total transferred: 3917820 bytes #
HTML transferred: 3705396 bytes # HTML
Requests per second: 1733.55 [#/sec] (mean) # ， ， mean
Time per request: 5.768 [ms] (mean) # ， mean
Time per request: 0.577 [ms] (mean, across all concurrentrequests) # ，
Transfer rate: 6632.57 [Kbytes/sec] received # ，
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 2 5.5 2 85
Processing: 1 3 6.3 2 84
Waiting: 0 2 5.1 2 82
Total: 2 5 8.8 4 100
# ，
Percentage of the requests served within acertain time (ms)
50% 4
66% 5
75% 5
80% 5
90% 6
95% 9
98% 19
99% 80
100% 100 (longest request)
# 。 ， 50％ 4 ，60％ 5 ， 100 Abコマンドパラメータのコメント:
-n # 。 ， 。
-c # 。 。
-t # 。 -n 50000。 。 ， 。
-p # POST .
-T #POST Content-type 。
-v # - 4 ， 3 (404, 200 ), 2 。 -V 。
-w # HTML 。 ， 。
-I # HEAD ， GET。