Date: Sun, 2 Dec 2007 20:45:40 +0300 From: Alexey Vlasov <renton@df.ru> To: Daniel Gerzo <danger@FreeBSD.org> Cc: freebsd-stable@freebsd.org Subject: Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD Message-ID: <20071202174540.GA29572@cannabis.dataforce.net> In-Reply-To: <1497741406.20071201230441@rulez.sk> References: <20071201213732.GA16638@cannabis.dataforce.net> <1497741406.20071201230441@rulez.sk>
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On Sat, Dec 01, 2007 at 11:04:41PM +0100, Daniel Gerzo wrote: > Please try with RELENG_7 (aka. FreeBSD 7.0-BETA3) and ULE scheduler. I used 7.0-BETA3 and it is much worse. ULE, w/o PAE (or with PAE) # ./ab -n 100 -c 20 -t 30 http://somesite-freebsd.com/ab/ 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 test-f1-apache-aux2.1gb.ru (be patient) Finished 17 requests Server Software: Apache/2.2.3 Server Hostname: somesite-freebsd.com Server Port: 80 Document Path: /ab/ Document Length: 41451 bytes Concurrency Level: 20 Time taken for tests: 30.448737 seconds Complete requests: 17 Failed requests: 0 Write errors: 0 Total transferred: 1191762 bytes HTML transferred: 1178622 bytes Requests per second: 0.56 [#/sec] (mean) Time per request: 35822.043 [ms] (mean) Time per request: 1791.102 [ms] (mean, across all concurrent requests) Transfer rate: 38.20 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.9 0 2 Processing: 490 4160 8103.9 640 25972 Waiting: 91 125 70.4 110 394 Total: 490 4160 8103.8 640 25972 Percentage of the requests served within a certain time (ms) 50% 631 66% 709 75% 721 80% 734 90% 19495 95% 25972 98% 25972 99% 25972 100% 25972 (longest request) Do you have any more ideas? I know that I can try to change to amd64, but I'm sure that this won't solve my problems. As far as I remember it didn't help Alexey Popov ( author of this thread). And by the way I couldn't launch Zend Optimizer (3.3.0.) on amd64. It gave me Segmentation fault: 11 (core dumped). http://www.zend.com/forums/index.php?t=msg&goto=13585&S=a322ef7edb5d49c70f431607e648fb57&srch=amd64+freebsd#msg_13585 And without it as you undesrtand yourself virtual hosting is nothing. Looking freebsd-maillists I noticed the same discription of the same problem as I have. http://lists.freebsd.org/pipermail/freebsd-performance/2007-July/002781.html -- BRGDS. Alexey Vlasov.
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