Date: Wed, 24 Aug 2005 09:31:33 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Lei Sun <lei.sun@gmail.com> Cc: questions@freebsd.org Subject: Re: oversized httpd process? Message-ID: <20050824143133.GA88693@dan.emsphone.com> In-Reply-To: <d396fddf05082400304744960f@mail.gmail.com> References: <d396fddf05082400304744960f@mail.gmail.com>
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In the last episode (Aug 24), Lei Sun said: > I saw many posts from google regarding to this question, but there > were no definite answers.. > > some say, it's mod_ssl, some say it's mod_perl, some say it is mm. > But my case, it just doesn't make much sence to me at all. > > Here are the 2 test machines that I have, both have the exact same > configuration > > A is a lot more powerful than B > > machine A, p4 3.0 2GB Mem > machine B, p2 450Mhz 128MB Mem > > Both have mod_php, mod_ssl, and no traffic has been sent. > > Looking at the httpd sizes, I start to wonder ... How come Machine B > only uses around 15Mb per httpd, while machine A takes 155Mb, and > while they have exactly the same software, same configuration. Try running lsof on both processes. Since SIZE is 155M but RES is a lot smaller, there may be a large file being mmapped by one system and not the other. > machine A: > PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU CPU COMMAND > 440 root 96 0 155M 17412K select 0 0:02 0.00% 0.00% httpd > > machine B: > PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND > 50855 www 20 0 16348K 12K lockf 0:00 0.00% 0.00% httpd -- Dan Nelson dnelson@allantgroup.com
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