Date: Thu, 11 Mar 1999 02:11:39 -0500 From: "Gary Palmer" <gpalmer@FreeBSD.ORG> To: Mark Conway Wirt <mark@intrepid.net> Cc: Haifeng Guo <haifeng@ms.lawton.com.cn>, freebsd-questions@FreeBSD.ORG, freebsd-isp@FreeBSD.ORG Subject: Re: Mail server setup Message-ID: <72642.921136299@gjp.erols.com> In-Reply-To: Your message of "Thu, 04 Mar 1999 10:39:44 EST." <19990304103944.F29262@intrepid.net>
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Mark Conway Wirt wrote in message ID <19990304103944.F29262@intrepid.net>: > Are you delivering to hashed spool files? That make a lot of differnce > on a large machine, from what I hear..... A hierarichal mail spool layout has a tremendous impact on a UFS based mail spool as you no longer have to do a linear search of /var/mail to find recently added mailboxes (translation: you do more directory lookups, and more syscalls, but you end up eating way less cpu) If you're running under something like VXFS, then its probably still a win, but VXFS indexes its directories, so its not so clear to me that hashing is needed for doing plain lookups (although `ls' would still suck :) ) Gary -- Gary Palmer FreeBSD Core Team Member FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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