Apache ab测试 Apache优于 nginx

Administrator@USER-20140115FZ /cygdrive/d/wamp/bin/apache/apache2.4.9/bin
$ ./ab -c10 -n100 http://flxx2/
This is ApacheBench, Version 2.3 <$Revision: 1554214 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking flxx2 (be patient).....done


Server Software:        nginx/1.6.2
Server Hostname:        flxx2
Server Port:            80

Document Path:          /
Document Length:        34726 bytes

Concurrency Level:      10
Time taken for tests:   33.955 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      3518500 bytes
HTML transferred:       3472600 bytes
Requests per second:    2.95 [#/sec] (mean)
Time per request:       3395.494 [ms] (mean)
Time per request:       339.549 [ms] (mean, across all concurrent requests)
Transfer rate:          101.19 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.5      0       1
Processing:  2638 3255 922.6   2976    7310
Waiting:     2619 3231 920.3   2952    7277
Total:       2639 3256 922.5   2976    7310

Percentage of the requests served within a certain time (ms)
  50%   2976
  66%   3103
  75%   3157
  80%   3206
  90%   4350
  95%   6034
  98%   6933
  99%   7310
 100%   7310 (longest request)

Administrator@USER-20140115FZ /cygdrive/d/wamp/bin/apache/apache2.4.9/bin
$ ./ab -c10 -n100 http://flxx2/
This is ApacheBench, Version 2.3 <$Revision: 1554214 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking flxx2 (be patient).....done


Server Software:        Apache/2.4.9
Server Hostname:        flxx2
Server Port:            80

Document Path:          /
Document Length:        34726 bytes

Concurrency Level:      10
Time taken for tests:   18.741 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      3520500 bytes
HTML transferred:       3472600 bytes
Requests per second:    5.34 [#/sec] (mean)
Time per request:       1874.107 [ms] (mean)
Time per request:       187.411 [ms] (mean, across all concurrent requests)
Transfer rate:          183.45 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.5      0       1
Processing:   668 1832 562.5   1781    3659
Waiting:      649 1787 560.3   1721    3619
Total:        668 1832 562.6   1782    3660

Percentage of the requests served within a certain time (ms)
  50%   1782
  66%   2001
  75%   2150
  80%   2195
  90%   2487
  95%   2978
  98%   3387
  99%   3660
 100%   3660 (longest request)

Administrator@USER-20140115FZ /cygdrive/d/wamp/bin/apache/apache2.4.9/bin

$

测试条件：./ab -c10 -n100

测试地址：广州电信，带宽 10M

结果对比：

网站
操作系统服务器地址
服务器
TimeTake
吞吐量
localhost nginx hello.phpwin7-c10 -n1000 time outnginx1.346742/seclocalhost apache hello.phpwin7-c10 -n1000apache
0.918
1089 /sec
1）本地yii2 + nginxwin7本地nginx 1.6.233.955 sec2.95/sec2）本地yii2 + apachewin7本地apache 2.4.918.741 sec5.34/sec3）远程yii2 + nginx （2G内存单核）centos7深圳阿里云ECSnginx 1.6.324.60 sec4.09/sec4）远程yii2 + nginx（1G内存单核）centos7美国 Fremont linode机房nginx 1.877.50 sec1.29 /sec5）广州妈妈网 www.gzmama.com 广州 电信nginx 1.6.0108.323 sec0.92/sec6）pt手游 PC官网 thinkphp+nginxcentos 6佛山机房nginx 1.5.717.264 sec5.79/sec7）pt手游 WAP官网 thinkphp +nginxcentos 6佛山机房nginx 1.5.722.279 sec4.49/sec8）淘宝官网 www.taobao.com 深圳/佛山机房Tengine15.04 sec6.65/sec9）百度首页 www.baidu.com 江苏机房BWS/1.118.508 sec5.40/sec10）4399 PC官网首页 www.4399.com 广东电信（测试被屏蔽 ？apr_socket_recv）   11）CSDN PC官网首页 www.csdn.net 北京阿里云ngx_openresty103.sec0.97/sec12）segft 官网首页 北京阿里云未标注52.525 sec1.90/sec13）37玩 PC官网 www.37.com 北京阿里云nginx20.983 sec4.77 /sec14）腾讯PC 首页 www.qq.com 深圳电信squid 3.4.1174.545 sec0.57/sec

为什么有的大型网站，吞吐量反而很低？

还是说ab测试根本就不准确？期待交流 [e-mail] 。