Found the problem. It's actually in output layer, not the patch. Just make sure you don't output any before starting session/sending headers. PHP fails to complain about it under my system and it caused segfaults.
Here is my simple performance test reuslt [root@dev root]# ab -c 500 -n 5000 http://tmp-dev.localnet/~yohgaki/test/sess_save_handler/mm-handler.php 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 tmp-dev.localnet (be patient) Completed 500 requests Completed 1000 requests Completed 1500 requests Completed 2000 requests Completed 2500 requests Completed 3000 requests Completed 3500 requests Completed 4000 requests Completed 4500 requests Finished 5000 requests Server Software: Apache/1.3.23 Server Hostname: tmp-dev.localnet Server Port: 80 Document Path: /~yohgaki/test/sess_save_handler/mm-handler.php Document Length: 30 bytes Concurrency Level: 500 Time taken for tests: 37.948 seconds Complete requests: 5000 Failed requests: 0 Broken pipe errors: 0 Total transferred: 1923375 bytes HTML transferred: 153870 bytes Requests per second: 131.76 [#/sec] (mean) Time per request: 3794.80 [ms] (mean) Time per request: 7.59 [ms] (mean, across all concurrent requests) Transfer rate: 50.68 [Kbytes/sec] received Connnection Times (ms) min mean[+/-sd] median max Connect: 3 539 656.8 432 9593 Processing: 496 1612 2533.7 1323 33401 Waiting: 411 1611 2533.7 1323 33402 Total: 496 2150 2886.2 1872 37037 Percentage of the requests served within a certain time (ms) 50% 1872 66% 1961 75% 2043 80% 2072 90% 2290 95% 2413 98% 5657 99% 11294 100% 37037 (last request) [root@dev root]# BTW, this Linux is running with 433Mhz Celeron PC. If you find problems, let me know. I might be able to fix it before commit. -- Yasuo Ohgaki Yasuo Ohgaki wrote: > Looks like I've done something wrong. Older patch performs well but > not this one. Don't even try the patch. > > -- > Yasuo Ohgaki > > > Rick Morris wrote: > >> I have tried mm as a session handler three times, on three different >> Linux >> boxes. Each one was a server under heavy load, running many concurrent >> sessions, so I was hoping mm would solve some performance issues, but >> have >> been disappointed each time. -- PHP Install Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
