From owner-freebsd-security@FreeBSD.ORG Thu Jul 10 19:43:28 2003 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 855EF37B401 for ; Thu, 10 Jul 2003 19:43:28 -0700 (PDT) Received: from mobile.hub.org (u134n133.eastlink.ca [24.224.134.133]) by mx1.FreeBSD.org (Postfix) with ESMTP id A9C9943FB1 for ; Thu, 10 Jul 2003 19:43:25 -0700 (PDT) (envelope-from scrappy@hub.org) Received: by mobile.hub.org (Postfix, from userid 1001) id C20AF1D3; Thu, 10 Jul 2003 23:43:23 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by mobile.hub.org (Postfix) with ESMTP id B34151C8; Thu, 10 Jul 2003 23:43:23 -0300 (ADT) Date: Thu, 10 Jul 2003 23:43:23 -0300 (ADT) From: The Hermit Hacker To: Ng Pheng Siong In-Reply-To: <20030711012224.GB920@vista.netmemetic.com> Message-ID: <20030710234216.G1841@hub.org> References: <1007042.1057880975396.JavaMail.nobody@kermit.psp.pas.earthlink.net> <20030711012224.GB920@vista.netmemetic.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-security@freebsd.org cc: "V. Jones" Subject: Re: jail performance questions X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Security issues [members-only posting] List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Jul 2003 02:43:28 -0000 At one point, we had >100 jails running on a server ... very sub-optimal, but they were all doing mail/web and they were all responsive ... On Fri, 11 Jul 2003, Ng Pheng Siong wrote: > On Thu, Jul 10, 2003 at 04:48:21PM -0400, V. Jones wrote: > > I've found several examples showing how to set the jails up. > > My questions involve system requirements. Assuming plenty of > > disk space, 1GB ram and a dual processor PIII 1.13Ghz system, > > how many jails can I run? Would I notice a significant > > performance hit if, for example, I run three jails? > > I haven't noticed performance degradation, but my jails aren't doing much. > > There are several providers selling jail-based virtual servers. > > I didn't consult the source, but my understanding is that a jail marks > individual processes, so, e.g., if a jail runs just one process, that's the > (operational, I don't know about startup) overhead for that jail. > > > -- > Ng Pheng Siong > > http://firewall.rulemaker.net -+- Manage Your Firewall Rulebase Changes > http://www.post1.com/home/ngps -+- Open Source Python Crypto & SSL > _______________________________________________ > freebsd-security@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-security > To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org" > Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy Systems Administrator @ hub.org primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org