Here are some stats that I ran on a simple FreeBSD machine (128MB Ram / 200mhz Pentium / php 4.1.2 / phpa 1.2p3). An old system, but a stable system: =============================================================================== Basic Stats (with phpa): 660.125 seconds | 15.15 Req/sec | 7.53 [Kbytes/sec] | 1.56 load avg Basic Stats (w/o phpa): 2294.358 seconds | 4.36 Req/sec | 2.03 [Kbytes/sec] | 3.28 load avg = with phpa =================================================================== This is ApacheBench, Version 1.3d <$Revision: 1.58 $> apache-1.3 Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Copyright (c) 1998-2001 The Apache Group, http://www.apache.org/ Benchmarking wandrer-home.homeip.net (be patient) Completed 1000 requests Completed 2000 requests Completed 3000 requests Completed 4000 requests Completed 5000 requests Completed 6000 requests Completed 7000 requests Completed 8000 requests Completed 9000 requests Finished 10000 requests Server Software: Apache/1.3.22 Server Hostname: wandrer-home.homeip.net Server Port: 80 Document Path: /index.php Document Length: 288 bytes Concurrency Level: 2 Time taken for tests: 660.125 seconds Complete requests: 10000 Failed requests: 6913 (Connect: 0, Length: 6913, Exceptions: 0) Broken pipe errors: 0 Total transferred: 4968956 bytes HTML transferred: 3018956 bytes Requests per second: 15.15 [#/sec] (mean) Time per request: 132.03 [ms] (mean) Time per request: 66.01 [ms] (mean, across all concurrent requests) Transfer rate: 7.53 [Kbytes/sec] received Connnection Times (ms) min mean[+/-sd] median max Connect: 0 42 938.0 0 21000 Processing: 43 89 31.6 88 1000 Waiting: 30 77 31.7 75 990 Total: 43 131 938.1 88 21101 Percentage of the requests served within a certain time (ms) 50% 88 66% 92 75% 106 80% 116 90% 132 95% 149 98% 150 99% 155 100% 21101 (last request) = top command at end of benchmark ============================================= last pid: 1551; load averages: 1.56, 1.51, 1.07 up 0+01:34:17 10:35:57 37 processes: 2 running, 35 sleeping Mem: 21M Active, 26M Inact, 16M Wired, 32K Cache, 22M Buf, 59M Free Swap: 150M Total, 150M Free PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND 348 mysql 38 0 276M 8324K RUN 4:45 15.38% 15.38% mysqld 1524 nobody 2 0 7004K 4972K sbwait 1:17 10.21% 10.21% httpd 1525 nobody 2 0 7084K 5052K accept 1:17 10.16% 10.16% httpd 1526 nobody 2 0 6352K 4344K accept 1:16 9.91% 9.91% httpd 1550 nobody 2 0 5628K 3544K accept 0:00 10.85% 1.51% httpd 1551 root 37 0 1896K 1092K RUN 0:00 10.00% 0.49% top 349 root 2 0 5064K 4636K select 0:16 0.00% 0.00% perl 1228 root 2 0 1904K 1180K select 0:03 0.00% 0.00% top 1214 root 2 0 2632K 1996K select 0:02 0.00% 0.00% sshd 242 root 2 0 2548K 1688K select 0:01 0.00% 0.00% sshd 5 root 18 0 0K 0K syncer 0:01 0.00% 0.00% syncer 1217 root 18 0 1392K 1020K pause 0:01 0.00% 0.00% csh 247 root 2 0 2500K 2012K select 0:00 0.00% 0.00% sendmail 363 root 18 0 1348K 972K pause 0:00 0.00% 0.00% csh 1522 root 2 0 3412K 2744K select 0:00 0.00% 0.00% httpd 216 root 2 0 932K 636K select 0:00 0.00% 0.00% syslogd 1215 pap 10 0 632K 436K wait 0:00 0.00% 0.00% sh 4 root -18 0 0K 0K psleep 0:00 0.00% 0.00% bufdaemon =============================================================================== = without phpa ================================================================ This is ApacheBench, Version 1.3d <$Revision: 1.58 $> apache-1.3 Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Copyright (c) 1998-2001 The Apache Group, http://www.apache.org/ Benchmarking wandrer-home.homeip.net (be patient) Completed 1000 requests Completed 2000 requests Completed 3000 requests Completed 4000 requests Completed 5000 requests Completed 6000 requests Completed 7000 requests Completed 8000 requests Completed 9000 requests Finished 10000 requests Server Software: Apache/1.3.22 Server Hostname: wandrer-home.homeip.net Server Port: 80 Document Path: /index.php Document Length: 299 bytes Concurrency Level: 2 Time taken for tests: 2294.358 seconds Complete requests: 10000 Failed requests: 9237 (Connect: 0, Length: 9237, Exceptions: 0) Broken pipe errors: 0 Total transferred: 4668522 bytes HTML transferred: 3018522 bytes Requests per second: 4.36 [#/sec] (mean) Time per request: 458.87 [ms] (mean) Time per request: 229.44 [ms] (mean, across all concurrent requests) Transfer rate: 2.03 [Kbytes/sec] received Connnection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.5 0 51 Processing: 221 459 79.3 457 903 Waiting: 122 409 84.1 405 901 Total: 221 459 79.3 457 903 Percentage of the requests served within a certain time (ms) 50% 457 66% 464 75% 474 80% 484 90% 539 95% 622 98% 683 99% 703 100% 903 (last request) = top command at end of benchmark ============================================= last pid: 1613; load averages: 3.28, 3.28, 3.04 up 0+02:17:29 11:19:09 38 processes: 2 running, 36 sleeping Mem: 22M Active, 27M Inact, 17M Wired, 32K Cache, 22M Buf, 56M Free Swap: 150M Total, 150M Free PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND 1586 nobody 47 0 4320K 3860K RUN 7:09 17.77% 17.77% httpd 1587 nobody 2 0 4344K 3884K accept 7:08 17.33% 17.33% httpd 1583 nobody 2 0 4336K 3876K accept 7:06 17.33% 17.33% httpd 1584 nobody 2 0 4336K 3876K accept 7:06 16.80% 16.80% httpd 1585 nobody 2 0 4320K 3860K accept 7:01 16.75% 16.75% httpd 348 mysql 2 0 276M 8324K poll 7:17 5.81% 5.81% mysqld 349 root 2 0 5064K 4636K select 0:16 0.00% 0.00% perl 1228 root 2 0 1904K 1180K select 0:06 0.00% 0.00% top 1214 root 2 0 2632K 1996K select 0:02 0.00% 0.00% sshd 5 root 18 0 0K 0K syncer 0:02 0.00% 0.00% syncer 242 root 2 0 2548K 1688K select 0:01 0.00% 0.00% sshd 1217 root 18 0 1392K 1020K pause 0:01 0.00% 0.00% csh 247 root 2 0 2500K 2012K select 0:01 0.00% 0.00% sendmail 1581 root 2 0 3328K 2660K select 0:00 0.00% 0.00% httpd 363 root 18 0 1348K 972K pause 0:00 0.00% 0.00% csh 216 root 2 0 932K 636K select 0:00 0.00% 0.00% syslogd 4 root -18 0 0K 0K psleep 0:00 0.00% 0.00% bufdaemon 239 root 10 0 968K 712K nanslp 0:00 0.00% 0.00% cron =============================================================================== ------------------------------------------------------------------------ www.php-accelerator.co.uk Home of the free PHP Accelerator To post, send email to phpa@xxxxxxxxxxxxx To unsubscribe, email phpa-request@xxxxxxxxxxxxx with subject unsubscribe