测试环境:
硬件:赛扬2.66G,512M DDR

软件:Windows2003,Mysql-4.1.13,apache2.0.54,php5.1.0beta3(内置PDO,哈哈)
用ab做1000个连接,50个并发,不是很多,呵呵

ADODB:不是我说,最慢的果然是它


没有使用cache:

使用了cache:


MDB2,Pear的class,和ADODB功能相近

D:\server\Apache2\bin>ab -k -n 1000 -c 50 -k http://127.0.0.1/adolitetest.php 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 127.0.0.1 (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 Server Hostname: 127.0.0.1 Server Port: 80 Document Path: /adolitetest.php Document Length: 0 bytes Concurrency Level: 50 Time taken for tests: 25.62500 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Keep-Alive requests: 991 Total transferred: 220596 bytes HTML transferred: 0 bytes Requests per second: 39.90 [#/sec] (mean) Time per request: 1253.125 [ms] (mean) Time per request: 25.063 [ms] (mean, across all concurrent requests) Transfer rate: 8.58 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.5 0 15 Processing: 15 152 1310.7 31 22781 Waiting: 15 152 1310.7 31 22781 Total: 15 152 1310.8 31 22781 Percentage of the requests served within a certain time (ms) 50% 31 66% 78 75% 93 80% 93 90% 125 95% 125 98% 156 99% 156 100% 22781 (longest request)

D:\server\Apache2\bin>ab -k -n 1000 -c 50 -k http://127.0.0.1/pdotest.php 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 127.0.0.1 (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 Server Hostname: 127.0.0.1 Server Port: 80 Document Path: /pdotest.php Document Length: 0 bytes Concurrency Level: 50 Time taken for tests: 17.46875 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Keep-Alive requests: 991 Total transferred: 220596 bytes HTML transferred: 0 bytes Requests per second: 58.66 [#/sec] (mean) Time per request: 852.344 [ms] (mean) Time per request: 17.047 [ms] (mean, across all concurrent requests) Transfer rate: 12.61 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.5 0 15 Processing: 15 103 886.9 15 15453 Waiting: 15 103 886.9 15 15453 Total: 15 103 887.1 15 15453 Percentage of the requests served within a certain time (ms) 50% 15 66% 46 75% 62 80% 62 90% 78 95% 93 98% 109 99% 125 100% 15453 (longest request)

D:\server\Apache2\bin>ab -k -n 1000 -c 50 -k http://127.0.0.1/mysqltest.php 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 127.0.0.1 (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 Server Hostname: 127.0.0.1 Server Port: 80 Document Path: /mysqltest.php Document Length: 0 bytes Concurrency Level: 50 Time taken for tests: 17.265625 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Keep-Alive requests: 991 Total transferred: 220596 bytes HTML transferred: 0 bytes Requests per second: 57.92 [#/sec] (mean) Time per request: 863.281 [ms] (mean) Time per request: 17.266 [ms] (mean, across all concurrent requests) Transfer rate: 12.45 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.0 0 0 Processing: 15 105 904.5 15 15718 Waiting: 15 105 904.5 15 15718 Total: 15 105 904.5 15 15718 Percentage of the requests served within a certain time (ms) 50% 15 66% 46 75% 62 80% 62 90% 78 95% 93 98% 109 99% 125 100% 15718 (longest request)