xihuang@Z620-NAV:/tmp/u-boot$ ab -n 1000 -c 1000 http://localhost:8081/index.html
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (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:        Apache/2.2.22
Server Hostname:        localhost
Server Port:            8081

Document Path:          /index.html
Document Length:        177 bytes

Concurrency Level:      1000
Time taken for tests:   0.426 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      454000 bytes
HTML transferred:       177000 bytes
Requests per second:    2349.16 [#/sec] (mean)
Time per request:       425.684 [ms] (mean)
Time per request:       0.426 [ms] (mean, across all concurrent requests)
Transfer rate:          1041.52 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        1    7   5.3      4      15
Processing:     2   86 143.0      9     409
Waiting:        1   85 143.5      8     409
Total:          5   93 146.6     12     422

Percentage of the requests served within a certain time (ms)
  50%     12
  66%     18
  75%    218
  80%    219
  90%    421
  95%    421
  98%    421
  99%    421
 100%    422 (longest request)
xihuang@Z620-NAV:/tmp/u-boot$ ab -n 1000 -c 1000 http://localhost:80/index.html
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (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:        lighttpd/1.4.28
Server Hostname:        localhost
Server Port:            80

Document Path:          /index.html
Document Length:        177 bytes

Concurrency Level:      1000
Time taken for tests:   0.222 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      434000 bytes
HTML transferred:       177000 bytes
Requests per second:    4505.07 [#/sec] (mean)
Time per request:       221.972 [ms] (mean)
Time per request:       0.222 [ms] (mean, across all concurrent requests)
Transfer rate:          1909.38 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        1    9   4.7      5      16
Processing:     3    8   9.1      7     202
Waiting:        2    6   9.2      6     202
Total:          7   16  10.7     12     212

Percentage of the requests served within a certain time (ms)
  50%     12
  66%     21
  75%     21
  80%     22
  90%     23
  95%     25
  98%     26
  99%     26
 100%    212 (longest request)