nginx 压力测试

yum -y install httpd-tools

[root@localhost ~]# ab -c 10 -n 100 http://112.21.11.79/index.html
This is ApacheBench, Version 2.3 <$Revision: 1430300 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 112.21.11.79 (be patient).....done


Server Software:        openresty/1.21.4.1
Server Hostname:        112.21.11.79
Server Port:            80

Document Path:          /index.html
Document Length:        1097 bytes

Concurrency Level:      10
Time taken for tests:   0.020 seconds
Complete requests:      100
Failed requests:        0
Write errors:           0
Total transferred:      133700 bytes
HTML transferred:       109700 bytes
Requests per second:    4966.72 [#/sec] (mean)
Time per request:       2.013 [ms] (mean)
Time per request:       0.201 [ms] (mean, across all concurrent requests)
Transfer rate:          6484.87 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       1
Processing:     1    1   0.2      1       2
Waiting:        0    1   0.1      1       1
Total:          1    2   0.2      2       2

Percentage of the requests served within a certain time (ms)
  50%      2
  66%      2
  75%      2
  80%      2
  90%      2
  95%      2
  98%      2
  99%      2
 100%      2 (longest request)