Max size of one swap slice

[Kris Kennaway]

Lin Jui-Nan Eric wrote:
> On Wed, Aug 6, 2008 at 12:46 AM, Chuck Swiger <cswiger at mac.com> wrote:
>> It's hard to conceive of why you'd want to add so much swap space, anyway--
>> if you've got programs which actually need to deal with 10s of gigabytes
>> worth of data, then they ought to maintain a smaller/reasonable-sized
>> working set in RAM and do disk I/O as needed themselves rather than depend
>> upon the VM pager, anyways.
> We are running varnish, and found that it is not stable while using mmap mode.
> We don't know whether if the problem is in the code of varnish or file
> system, but
> we found that if we run varnish using malloc mode with big swap, it
> became stable.
> 
> Thank you all for the information, I'll try to look into the kernel code.

See

http://www.freebsd.org/cgi/getmsg.cgi?fetch=540837+0+/usr/local/www/db/text/2008/freebsd-questions/20080706.freebsd-questions

Kris