Date: Wed, 24 Jul 1996 23:14:15 +0000 From: "Ian Kallen" <ian@gamespot.com> To: questions@freebsd.org Cc: pierre@ebay.com Subject: Re: Stupid Swap Question Message-ID: <199607242309.XAA18547@gamespot.com>
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What does top report for memory used for cache? If it's zero and and you're not swapping out, I'd say you've got a big OS (configuration) problem. Otherwise, there could be some tweaks needed for network buffers or maybe your apache configuration (my money's on the former though). MaxClient's max'd out? > Date: Wed, 24 Jul 1996 17:13:12 -0700 > To: questions@freebsd.org > From: pierre@ebay.com (Pierre Omidyar) > Subject: Stupid Swap Question > Hello folks, > > I am running 2.1.5, from the stable supfile release, and my question is > about swap space: > > The system has 64M of RAM, and 262M of swap space, split across two disk > partitions, on separate disks. > > While watching `top' run, I have not been able to catch the system using > any swap space at all. In fact, I have seen the Memory Free field go down > to as low as 114K, with no swap usage. (top reports: "Swap: 262M Total, > 262M Free", and swapinfo, pstat -s, etc., report the same thing.) > > What makes me worry more about this is that at those times, my httpd > server, apache 1.1.1, is unable to spawn child processes for cgi scripts, > and writes errors to its log file, as well as giving server error messages > to my users. No errors are written to /var/log/messages, however. > > This memory problem then quick corrects itself, because apache stops > running scripts, and the memory free climbs back up to several meg. > > I am not convinced that the apache problem with spawning child processes is > related to the behavior I'm seeing with swap, but it does seem likely. > > Has anyone seen similar problems with swap? > > Cheers, > > Pierre > > > > Ian Kallen ian@gamespot.com Director of Technology & Web Administration http://www.gamespot.com
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