From owner-freebsd-stable@FreeBSD.ORG Mon Apr 5 22:32:05 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DD13C106566B for ; Mon, 5 Apr 2010 22:32:04 +0000 (UTC) (envelope-from m.e.sanliturk@gmail.com) Received: from mail-fx0-f222.google.com (mail-fx0-f222.google.com [209.85.220.222]) by mx1.freebsd.org (Postfix) with ESMTP id 3ED678FC17 for ; Mon, 5 Apr 2010 22:32:03 +0000 (UTC) Received: by fxm22 with SMTP id 22so3510140fxm.34 for ; Mon, 05 Apr 2010 15:32:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:received:message-id:subject:from:to:cc:content-type; bh=7XpqYtdfM7IBpl/dQmHBcGmzBXKDRG/JRlOr/Rbdais=; b=YJ181qOdn7KIqSxNOIG3+nxJ4GGVaIV/vxAfXyaOmTV7XXJoNIXXz8k/OW21HzUYMM WMhUixjjOF0toyqyFVHYcGwYxDed0G1xT04Hn7IizxEntE+n++joYjfUVfvdhh00Smtv QmEdTX4MqdTAGPOE2KbfGc4C4yQmUh+hc8wSU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=fP1JwEpgTxBWPgCvA3u0xPqzGStODxXjHt7XA9vDruypGRm8FjQGOR5NzwEXTJc1YO 8dYrYG8psxt8/o50FjlbRueHBCileu6SShAQnnabgMYAxpadB0eWjE4yKsRx+2KRHMNx 78cEGEe0oOXnZUcfizzDQhktu/8+CYtMN7Ju4= MIME-Version: 1.0 Received: by 10.239.180.11 with HTTP; Mon, 5 Apr 2010 15:32:00 -0700 (PDT) In-Reply-To: <1209800810.33861270466947931.JavaMail.root@dagobah.intersec.pl> References: <1209800810.33861270466947931.JavaMail.root@dagobah.intersec.pl> Date: Mon, 5 Apr 2010 18:32:00 -0400 Received: by 10.239.156.84 with SMTP id l20mr570980hbc.64.1270506721006; Mon, 05 Apr 2010 15:32:01 -0700 (PDT) Message-ID: From: Mehmet Erol Sanliturk To: Maciej Jan Broniarz Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-www@freebsd.org, freebsd-stable Subject: Re: fault tolerant web servers on freebsd X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Apr 2010 22:32:05 -0000 On Mon, Apr 5, 2010 at 7:29 AM, Maciej Jan Broniarz wrote: > Hi All, > > I am thinking about building a fault tolerant web servers running FreeBSD. > The servers would be serving web sites using jails+apache+php+mysql. > Would anyone be so kind, as to give me some advice about building such a > solution? I have read a lot about freebsd cluster, but it was focused on > computing clusters, and not fault tolerant one. > > If anyone has some experience with the issue, I'll be very grateful. > > Best regards, > mjb > There is a concept : Self-stabilization . There will be a ring of computers working simultaneously . If any one of them fails , others will continue to handle tasks requested from those systems . Such a ring may utilize load-balancing to distribute work load to currently working computers . http://en.wikipedia.org/wiki/Self-stabilization http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.88.4096&rep=rep1&type=pdf http://search.yahoo.com/search;_ylt=A03uoRZ7YbpLwjUB8W.bvZx4?p=self+stabilization&toggle=1&cop=mss&ei=UTF-8&fr=yfp-t-701 www.selfstabilization.org http://en.wikipedia.org/wiki/Load_balancing_%28computing%29 http://en.wikipedia.org/wiki/Category:Fault_tolerance http://en.wikipedia.org/wiki/Category:Reliability_engineering http://en.wikipedia.org/wiki/Category:Distributed_computing Actually , FreeBSD itself is an operating system : It manages single computers . You need other software to handle distributed computing . Such a language among others is www.mozart-oz.org *Mozart is available as a FreeBSD port. *Thank you very much . Mehmet Erol Sanliturk