It would probably be useful to document those tunables in the man page.
It already has good sections for other tunables, so adding them should
be easy.
Doug
On 03/29/2011 14:55, Jack Vogel wrote:
Our validation group has a default postinstall process, every installed
system gets those changes,
and these mbuf pool sizes are in that set of changes. While I'm not opposed
to system default settings
changing its usually necessary to have local sys changes anyway, after all
you don't get 9K jumbos
without manually specifying them as well :)
Regards,
Jack
On Tue, Mar 29, 2011 at 12:55 PM, Andrey Zonov<and...@zonov.org> wrote:
Hi,
New igb driver (and I think em too) is required too much 9k mbufs when it's
been configured with mtu = 9000. On machine with 8 CPUs, driver is required
8192 9k mbufs, but by default there is only 6400 and network won't start. In
previous versions for big mtu it was used 4k mbufs, by default there is
12800 and all worked fine.
Maybe it's time to think about increasing default
kern.maxusers/kern.ipc.nmbclusters? or use mp_ncpus for calculation these
values? or just increase amount of
mbuf_cluster/mbuf_jumbo_page/mbuf_jumbo_9k from that driver...
I just want igb to work out-of-the-box.
--
Andrey Zonov
--
Nothin' ever doesn't change, but nothin' changes much.
-- OK Go
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