Date: Tue, 15 Jul 2003 20:51:12 -0400 From: Scot Loach <sloach@sandvine.com> To: 'Don Lewis' <truckman@FreeBSD.org>, silby@silby.com Cc: freebsd-net@FreeBSD.org Subject: RE: Kernel tuning for large maxsockets Message-ID: <FE045D4D9F7AED4CBFF1B3B813C8533701AE8538@mail.sandvine.com>
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True, I can add a tunable for each of tcp, udp, raw, divert. What will happen when the system runs out of pcbs? -----Original Message----- From: Don Lewis [mailto:truckman@FreeBSD.org] Sent: Tuesday, July 15, 2003 8:48 PM To: silby@silby.com Cc: sloach@sandvine.com; freebsd-net@FreeBSD.org Subject: Re: Kernel tuning for large maxsockets On 15 Jul, Mike Silbersack wrote: > > On Tue, 15 Jul 2003, Scot Loach wrote: > >> Is there any reason I should not modify the kernel code to only let a small, >> fixed number of raw and divert pcbs be preallocated instead of having them >> scale with maxsockets? > > Your idea is sound. > >> Next, does this seem like a generally useful thing that could be rolled back >> into the source tree? I could make this a kernel option or a tunable sysctl >> variable. >> >> thanks >> >> Scot Loach > > A tunable maximum for each of those settings sounds good, that should fit > well in subr_param.c. Send me your patch when it's done, and I'll look > into incorporating it. I'd prefer separate tunables. I suspect that it is also common to have vastly different requirements for the numbers of TCP and UDP sockets.
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