On Mon, Jul 03, 2000 at 03:20:22PM -0400, Bosko Milekic wrote:
> > Considering the prominence of DoS attacks and similar, I think it
> > makes a lot of sense to be able to free the memory again, and if
> > the hysteresis you have built in means that there is no measurable
> > performance impact I think you will face no objections.
>
> That was one of the reasons of writing. Oh, and there's something I
> forgot to mention previously. The code I presently have frees memory
> dedicated to mbufs, so obviously, it's significant, but it's even
> more significant in the case of mbuf clusters, as they are larger. I
> still haven't finished writing the cluster stuff though but expect it
> to be similar in concept and design.
Just to add a little real worldness here:
I'd love to have FreeBSD be able to reclaim memory quicker at the sacrifice
of a few cpu cycles. Why? Well, the "add more memory" arguement doesn't work
well when I get DoS attacks that will eat any memory available because they
can connect quicker then I can reclaim the memory.
--
Bill Fumerola - Network Architect / Computer Horizons Corp - CHIMES
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