Subject: Re: Web load causes reboot
To: Michael Graff <explorer@flame.org>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: current-users
Date: 08/03/1999 17:22:45
On 03 Aug 1999 17:17:17 -0700
Michael Graff <explorer@flame.org> wrote:
> It's unfortunate that network sockets seem to reserve so much space.
> How do other 256M machines running FreeBSD (for example) cope with
> 10,000 or more TCP streams open at once? If we did that, we'd end up
> allocating about 312M just for socket buffers, I think...
Um...
Socket buffers aren't "allocated". When you "allocate" a socket buffer,
you're placing a limit on it... the actual space is lazy allocated... the
"allocated" space is actually mbufs allocated in a network driver and
handed up the stack.
-- Jason R. Thorpe <thorpej@nas.nasa.gov>