Date: Fri, 02 Nov 2001 13:56:43 +0000 From: John Ekins <jre@globalnet.co.uk> To: Scott Gerhardt <scott@gerhardt-it.com> Cc: FreeBSD <freebsd-questions@FreeBSD.ORG> Subject: Re: thttpd with php on FreeBSD compared with Linux Message-ID: <3BE2A61B.87B5EF15@globalnet.co.uk> References: <KPEMLBLEMPMHGLJOCDEGAEBHCMAA.scott@gerhardt-it.com>
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Scott Gerhardt wrote:
>
> Apply some of the tuning suggestions (at your discression) in the following
> link and re-run the test. Let me know the results.
Sorry I didn't mention this before, but I'd already increased MAXUSERS and
NMBCLUSTERS, turned on softupdates. I did however change
vfs.vmiodirenable, kern.ipc.somaxconn and kern.maxfiles as in that
document. I don't think the issue is necessarily related to the network
setup or the file system though. It could be the way that thttpd is
serialising the delivery of php pages.
I re-did the tests again but there's not much difference, actually it took
marginally longer:
Finished 5000 requests
Server Software:
Server Hostname: spooky
Server Port: 80
Document Path: /
Document Length: 32589 bytes
Concurrency Level: 10
Time taken for tests: 105.219 seconds
Complete requests: 5000
Failed requests: 0
Broken pipe errors: 0
Total transferred: 163200000 bytes
HTML transferred: 162945000 bytes
Requests per second: 47.52 [#/sec] (mean)
Time per request: 210.44 [ms] (mean)
Time per request: 21.04 [ms] (mean, across all concurrent requests)
Transfer rate: 1551.05 [Kbytes/sec] received
I had a response off the list that it could be that phpinfo() is simply
taking longer on FreeBSD that Linux to complete, so I re-did the tests
again with a function that just returns the date:
<? echo gmdate("d M Y"); ?>. Here's the results which again show that in
these circumstances Linux is outperforming FreeBSD :-( I know the
differences are quite small, but on a busy machine this would obviously
add up.
FreeBSD
-------
Finished 5000 requests
Server Software:
Server Hostname: spooky
Server Port: 80
Document Path: /date.php
Document Length: 11 bytes
Concurrency Level: 10
Time taken for tests: 6.267 seconds
Complete requests: 5000
Failed requests: 0
Broken pipe errors: 0
Total transferred: 310000 bytes
HTML transferred: 55000 bytes
Requests per second: 797.83 [#/sec] (mean)
Time per request: 12.53 [ms] (mean)
Time per request: 1.25 [ms] (mean, across all concurrent requests)
Transfer rate: 49.47 [Kbytes/sec] received
Linux
-----
Finished 5000 requests
Server Software:
Server Hostname: spooky
Server Port: 80
Document Path: /date.php
Document Length: 11 bytes
Concurrency Level: 10
Time taken for tests: 5.262 seconds
Complete requests: 5000
Failed requests: 0
Broken pipe errors: 0
Total transferred: 310000 bytes
HTML transferred: 55000 bytes
Requests per second: 950.21 [#/sec] (mean)
Time per request: 10.52 [ms] (mean)
Time per request: 1.05 [ms] (mean, across all concurrent requests)
Transfer rate: 58.91 [Kbytes/sec] received
John.
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