From owner-freebsd-hackers@FreeBSD.ORG Tue Dec 6 19:39:12 2005 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B574216A41F; Tue, 6 Dec 2005 19:39:12 +0000 (GMT) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id E366843D82; Tue, 6 Dec 2005 19:38:42 +0000 (GMT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.13.1/8.13.3) id jB6JcVbs019222; Tue, 6 Dec 2005 13:38:31 -0600 (CST) (envelope-from dan) Date: Tue, 6 Dec 2005 13:38:31 -0600 From: Dan Nelson To: Brooks Davis Message-ID: <20051206193830.GA33064@dan.emsphone.com> References: <43957D3F.4070109@rsu.ru> <4395DC82.1080103@elischer.org> <20051206193317.GB31292@odin.ac.hmc.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051206193317.GB31292@odin.ac.hmc.edu> X-OS: FreeBSD 5.4-STABLE X-message-flag: Outlook Error User-Agent: Mutt/1.5.11 Cc: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org, Julian Elischer , Michael Bushkov Subject: Re: [PATCH] nsswitch extensions + caching X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Dec 2005 19:39:12 -0000 In the last episode (Dec 06), Brooks Davis said: > On Tue, Dec 06, 2005 at 10:46:26AM -0800, Julian Elischer wrote: > > Michael Bushkov wrote: > > [...] > > > > so, I've been wonderring.. what's all the fuss about nsswitch? > > what does it get us? > > It gives us the ability use modules to provide arbitrary backends for a > variety of interfaces to system databases. For instance getpw*(), > gethost*(), etc. Michael's patch itself adds caching to our nsswitch implementation, which dramatically improves performance on slow sources (ldaps, for example). -- Dan Nelson dnelson@allantgroup.com