続・ニフティクラウドのApacheベンチ。
今回は500同時接続テスト。さすがにちょっと重くなる。けど、はえぇぇ~ヽ(゚口゚ヽ;)

[root@localhost ~]# ab -n 1000 -c500 http://xxx.xxx.xxx.xxx/
This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright 2006 The Apache Software Foundation, http://www.apache.org/

Benchmarking xxx.xxx.xxx.xxx (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
Finished 1000 requests
Server Software:        Apache/2.2.3
Server Hostname:        xxx.xxx.xxx.xxx
Server Port:            80

Document Path:          /
Document Length:        5043 bytes

Concurrency Level:      500
Time taken for tests:   1.454092 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Non-2xx responses:      1001
Total transferred:      5245240 bytes
HTML transferred:       5048043 bytes
Requests per second:    687.71 [#/sec] (mean)
Time per request:       727.046 [ms] (mean)
Time per request:       1.454 [ms] (mean, across all concurrent requests)
Transfer rate:          3522.47 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    9   9.0      5      26
Processing:     7  239 392.9     35    1427
Waiting:        5  237 393.7     32    1426
Total:         14  249 400.0     39    1453

Percentage of the requests served within a certain time (ms)
  50%     39
  66%    195
  75%    245
  80%    627
  90%    653
  95%   1441
  98%   1448
  99%   1450
 100%   1453 (longest request)