On Mon, Apr 30, 2001 at 09:16:24AM +0200, wojtek@3miasto.net wrote:
> > 	I am writing a memory based database for a routing appliance. I hope to 
> > keep this database completely in the kernel memory space. I wanted to know 
> > if and how i can use > 1GB memory within the kernel (I have 3GB physmem). 
> > Various attempts to tweak 
> 
> why you need >1GB in KERNEL?

I'd think the material you quoted states that pretty clearly.

He doesn't want to put any portion of his B-tree on disk, because he
doesn't want to take the time to transfer pages between disk and
memory except when the DB halts.

Taking disk access out of a DBMS *vastly* improves its speed.

       ~ g r @ eclipsed.net