설정 변경전

httpd.conf

[root@www2 bin]# ab -c 1000 -n 1000 -t 10 http://indischool.com/
This is ApacheBench, Version 2.0.40-dev <$Revision: 1.121.2.1 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/

Benchmarking indischool.com (be patient)
Finished 871 requests

Server Software:        Apache
Server Hostname:        indischool.com
Server Port:            80

Document Path:          /
Document Length:        485 bytes

Concurrency Level:      1000
Time taken for tests:   21.223863 seconds
Complete requests:      871
Failed requests:        0
Write errors:           0
Total transferred:      640185 bytes
HTML transferred:       422435 bytes
Requests per second:    41.04 [#/sec] (mean)
Time per request:       24367.237 [ms] (mean)
Time per request:       24.367 [ms] (mean, across all concurrent requests)
Transfer rate:          29.45 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0   10 175.7      0    2999
Processing:  9113 11581 1150.0  12118   12128
Waiting:       18 5088 3045.6   6061    9105
Total:       9113 11592 1141.3  12118   12128

Percentage of the requests served within a certain time (ms)
  50%  12118
  66%  12120
  75%  12121
  80%  12122
  90%  12122
  95%  12127
  98%  12128
  99%  12128
 100%  12128 (longest request)

설정변경 후

[root@www2 conf]# ../bin/ab -c 1000 -n 1000 -t 10 http://indischool.com/
This is ApacheBench, Version 2.0.41-dev <$Revision: 1.121.2.12 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/

Benchmarking indischool.com (be patient)
Completed 5000 requests
Completed 10000 requests
Completed 15000 requests
Completed 20000 requests
Completed 25000 requests
Completed 30000 requests
Completed 35000 requests
Completed 40000 requests
Finished 40805 requests

Server Software:        Apache
Server Hostname:        indischool.com
Server Port:            80

Document Path:          /
Document Length:        485 bytes

Concurrency Level:      1000
Time taken for tests:   10.6029 seconds
Complete requests:      40805
Failed requests:        0
Write errors:           0
Total transferred:      30059295 bytes
HTML transferred:       19835045 bytes
Requests per second:    4078.04 [#/sec] (mean)
Time per request:       245.216 [ms] (mean)
Time per request:       0.245 [ms] (mean, across all concurrent requests)
Transfer rate:          2933.63 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        3   35 249.4     20    9021
Processing:    17   42 182.7     37    6067
Waiting:        7   31 182.3     26    6049
Total:         36   78 358.5     59    9095

Percentage of the requests served within a certain time (ms)
  50%     59
  66%     63
  75%     65
  80%     67
  90%     69
  95%     71
  98%     92
  99%    108
 100%   9095 (longest request)