Date: Thu, 22 Aug 1996 21:18:36 -0700 From: David Greenman <dg@root.com> To: Michael Dillon <michael@memra.com> Cc: freebsd-isp@freebsd.org Subject: Re: Does FreeBSD hash PCB's like BSDI ??? Message-ID: <199608230418.VAA09955@root.com> In-Reply-To: Your message of "Thu, 22 Aug 1996 20:15:54 PDT." <Pine.BSI.3.93.960822201347.14970T-100000@sidhe.memra.com>
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>In the context of running a heavily loaded mail server Paul Vixie mentions >below that BSDI can handle this better than older UNIXes due to hashed >PCB's. Note that this is very applicable to sites that want to run lots of >large mailing lists which is something I am working on setting up. FreeBSD is was the first "BSD" to have PCB hashing. I implemented it nearly a year and a half ago: revision 1.9 date: 1995/04/09 01:29:18; author: davidg; state: Exp; lines: +105 -32 Implemented PCB hashing. Includes new functions in_pcbinshash, in_pcbrehash, and in_pcblookuphash. There is a very good chance that BSDI's implementation is based on my work, but I haven't seen the code so this is just a guess. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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