我得测试结果

至强 2.4g，1g内存，

[root@hidatabase htdocs]# ab -n 1000 -c 1000 10.0.0.101/b.php
This is ApacheBench, Version 2.0.40-dev <$Revision: 1.116 $> 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 10.0.0.101 (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/2.0.47
Server Hostname:        10.0.0.101
Server Port:            80

Document Path:          /b.php
Document Length:        289 bytes

Concurrency Level:      1000
Time taken for tests:   36.576107 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Non-2xx responses:      1000
Total transferred:      477000 bytes
HTML transferred:       289000 bytes
Requests per second:    27.34 [#/sec] (mean)
Time per request:       36576.107 [ms] (mean)
Time per request:       36.576 [ms] (mean, across all concurrent requests)
Transfer rate:          12.71 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0   23 266.8      0    2999
Processing:    46 11111 7562.0  12017   24023
Waiting:       43 11099 7561.1  12004   24012
Total:         46 11135 7564.8  12017   24023

Percentage of the requests served within a certain time (ms)
  50%  12017
  66%  15018
  75%  15022
  80%  18020
  90%  24017
  95%  24019
  98%  24020
  99%  24020
100%  24023 (longest request)
[root@hidatabase htdocs]#