Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261252AbVDIByG (ORCPT ); Fri, 8 Apr 2005 21:54:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261253AbVDIByG (ORCPT ); Fri, 8 Apr 2005 21:54:06 -0400 Received: from warden2-p.diginsite.com ([209.195.52.120]:36518 "HELO warden2.diginsite.com") by vger.kernel.org with SMTP id S261252AbVDIByB (ORCPT ); Fri, 8 Apr 2005 21:54:01 -0400 From: David Lang To: Marcin Dalecki Cc: Jon Smirl , Chris Wedgwood , Andrea Arcangeli , Kernel Mailing List , Linus Torvalds , Matthias-Christian Ott Date: Fri, 8 Apr 2005 18:50:52 -0700 (PDT) X-X-Sender: dlang@dlang.diginsite.com Subject: Re: Kernel SCM saga.. In-Reply-To: <7dc90bec2ef0a67aa307b8e81005fa84@dalecki.de> Message-ID: References: <20050408041341.GA8720@taniwha.stupidest.org> <20050408071428.GB3957@opteron.random> <4256AE0D.201@tiscali.de> <4256BE7D.5040308@tiscali.de> <9e473391050408112865ed5d17@mail.gmail.com> <7dc90bec2ef0a67aa307b8e81005fa84@dalecki.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1410 Lines: 34 On Sat, 9 Apr 2005, Marcin Dalecki wrote: > On 2005-04-08, at 20:28, Jon Smirl wrote: > >> On Apr 8, 2005 2:14 PM, Linus Torvalds wrote: >>> How do you replicate your database incrementally? I've given you enough >>> clues to do it for "git" in probably five lines of perl. >> >> Efficient database replication is achieved by copying the transaction >> logs and then replaying them. Most mid to high end databases support >> this. You only need to copy the parts of the logs that you don't >> already have. >> > Databases supporting replication are called high end. You forgot the cats > dance > around the network this issue involves. And Postgres (which is Free in all senses of the word) is high end by this definition. I'm not saying that it's an efficiant thing to use for this task, but don't be fooled into thinking you need something on the price of Oracle to do this job. David Lang -- There are two ways of constructing a software design. One way is to make it so simple that there are obviously no deficiencies. And the other way is to make it so complicated that there are no obvious deficiencies. -- C.A.R. Hoare - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/