From owner-freebsd-current Wed Dec 30 15:41:53 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA16441 for freebsd-current-outgoing; Wed, 30 Dec 1998 15:41:53 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from oldnews.quick.net ([207.212.170.1]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA16434 for ; Wed, 30 Dec 1998 15:41:52 -0800 (PST) (envelope-from donegan@oldnews.quick.net) Received: (from donegan@localhost) by oldnews.quick.net (8.8.5/8.6.9) id PAA24409; Wed, 30 Dec 1998 15:41:25 -0800 (PST) Date: Wed, 30 Dec 1998 15:41:24 -0800 (PST) From: "Steven P. Donegan" To: Christian Kuhtz cc: Mike Smith , Josh Tiefenbach , The Hermit Hacker , freebsd-current@FreeBSD.ORG Subject: Re: NOW/MOSIX/Beowulf In-Reply-To: <19981230173210.F828@ns1.adsu.bellsouth.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 30 Dec 1998, Christian Kuhtz wrote: > > Well, for starters, where are you going to commit your writes? Your assumption > is that the directory won't be written much and is primarily read. > > In large scale deployments writes become nearly as important as reads. And > most servers bomb on that (except for the one described in my previous > message). > > We have another bake-off coming up and I might be able to share some > experience data. Anyone interested? > A very cornerstone assumption in LDAP is reads will outweigh writes, but I didn't find any real issue with write performance anyway. The farm of FreeBSD front ends would talk to an NFS backend (like a Network Appliance) so 'where' you commit your writes would be a moot point. If you are going to use this for a password database (I think that was your use) then why do you think writes will be so significant? (just curious). Our use is for username/location,phone number,email address lookups - which I beleive is probably the most frequent use of LDAP in a commercial environment. That environment is extremely stable - very little change occurs. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message