On 7 September 2013 12:56, Ian Lepore <i...@freebsd.org> wrote:
> I think the part of this that strikes me as strange is calling 20% of > physical memory used for network buffers a "very low value". It seems > outrageously high to me. I'd be pissed if that much memory got wasted > on network buffers on one of our $work platforms with so little memory. > > So the fact that you think it's crazy-low and I think it's crazy-high > may be a sign that it's auto-tuned to a reasonable compromise, and in > both our cases the right fix would be to use the available knobs to tune > things for our particular uses. > Well, which limit is actually being hit here? 20% of 32mb is still a lot of memory buffers.. Now, for sizing up the needed buffers for wifi: assuming 512 tx, 512 rx buffers for two ath NICs. another 512+512 buffers for each arge NICs. So, 4096 mbufs here, 2k each, so ~ 8mb of RAM. Amusing.. -adrian _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
