> Hi,
> Does anybody know if auto tuning can be turned off in 2.4 kernels. If yes
> can some body tell me how to do so. Seems like Auto tuning of socket buffers
> is overriding my large buffer settings.
> Any help in this regard would be appreciated.
It can't be turned off. It is a way of managing non-swappable kernel memory
and if you are in memory pressure, then you may not get 'ideal' buffers.
There are a couple things you *can* do, though; take a look at
Documentation/networking/ip-sysctl.txt in the kernel source. In particular,
tcp_wmem and tcp_rmem. It's not a good idea to set min and max the
same, but if you make your default the 'ideal' and the min/max slightly
less/more you should get good results.
Also look at your settings in /proc/sys/net/core/[rw]mem_[max|default].
Here are a couple of tuning links I've found useful:
http://www.psc.edu/networking/perf_tune.html#Linux
http://www-didc.lbl.gov/tcp-wan.html
-Eric
-- -------------------------------------------- Eric H. Weigle CCS-1, RADIANT team ehw@lanl.gov Los Alamos National Lab (505) 665-4937 http://home.lanl.gov/ehw/ -------------------------------------------- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Feb 15 2002 - 21:00:56 EST