????ab??apache????????????????????????????????apache???????????bin???????ab
????1 ??????????100??????????????????淢??1000??????
????./ab -n1000 -c100 http://www.baidu.com
????????-n????????????-c?????????
??????????:

 

##??????apache??汾???
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 vm1.jianfeng.com (be patient)
Server Software:        Apache/2.2.19    ##apache?汾
Server Hostname:        vm1.jianfeng.com   ##????????
Server Port:            80 ##??????
Document Path:          /a.html
Document Length:        25 bytes  ##??泤??
Concurrency Level:      100  ##??????
Time taken for tests:   0.273 seconds  ##?????????????
Complete requests:      1000   ##??????
Failed requests:        0   ##???????
Write errors:           0
Total transferred:      275000 bytes  ##??????????????????http????????
HTML transferred:       25000 bytes  ##html?????????????洫???????
Requests per second:    3661.60 [#/sec] (mean)  ##????????????????????????????????????????????
Time per request:       27.310 [ms] (mean)  ##???????????????
Time per request:       0.273 [ms] (mean?? across all concurrent requests)  ##???????????????????????????????????
Transfer rate:          983.34 [Kbytes/sec] received  ##??????????????
Connection Times (ms)
min  mean[+/-sd] median   max
Connect:        0    1   2.3      0      16
Processing:     6   25   3.2     25      32
Waiting:        5   24   3.2     25      32
Total:          6   25   4.0     25      48
Percentage of the requests served within a certain time (ms)
50%     25  ## 50%????????25ms?????
66%     26  ## 60%????????26ms?????
75%     26
80%     26
90%     27
95%     31
98%     38
99%     43
    48 (longest request)

????2 ab???????????windows?У??????windows?°??apache????????bin?????ab.exe
????????????????????????????dll