From owner-freebsd-current@FreeBSD.ORG Mon Dec 17 13:13:03 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D4EA116A417 for ; Mon, 17 Dec 2007 13:13:03 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: from bsd.ultra-secure.de (bsd.ultra-secure.de [62.146.20.26]) by mx1.freebsd.org (Postfix) with ESMTP id 3E48913C458 for ; Mon, 17 Dec 2007 13:13:03 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: (qmail 29767 invoked by uid 89); 17 Dec 2007 13:13:01 -0000 Received: by simscan 1.1.0 ppid: 29746, pid: 29753, t: 3.4448s scanners: attach: 1.1.0 clamav: 0.88.7/m:44/d:4673 spam: 3.1.7 X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on bsd.ultra-secure.de X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.1.7 Received: from unknown (HELO ?212.71.117.70?) (rainer@ultra-secure.de@212.71.117.70) by bsd.ultra-secure.de with (DHE-RSA-AES256-SHA encrypted) SMTP; 17 Dec 2007 13:12:58 -0000 Message-ID: <476675D6.7060905@ultra-secure.de> Date: Mon, 17 Dec 2007 14:12:54 +0100 From: Rainer Duffner User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.12) Gecko/20060911 SUSE/1.5.0.12-3.4 Thunderbird/1.5.0.12 Mnenhy/0.7.5.0 MIME-Version: 1.0 To: Ivan Voras References: <47606C09.2070209@isc.org> <06CAC7FC-DB58-441D-A6E0-76D1D8133393@tamu.edu> <86ir31xwlu.fsf@ds4.des.no> <476343B4.8080208@FreeBSD.org> <86tzmk54tt.fsf@ds4.des.no> <86r6hmsnew.fsf@ds4.des.no> <9bbcef730712160657r79507740m2b6d7d4b787c99a5@mail.gmail.com> <86zlwafvld.fsf@ds4.des.no> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org Subject: Re: ZFS melting under postgres... X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Dec 2007 13:13:03 -0000 Ivan Voras wrote: > I'm interested in how SSD could help me (if they actually can) with > large-ish systems running web servers with associated software (e.g. > database) and office-like servers. So far, I'm having trouble > envisioning a seek-intensive storage application that's also temporary > (to avoid keeping the "real" data on flash drives). Maybe a mail server > queue, with mailboxes on standard drives? > Yep. Although, I don't know if the "cheap" SSDs mentioned can compete with the SD-RAM backed "super SSDs". Because, in the mail-server scenario (also: clamav-box, spamassassin etc.), all you really want to have is I/O. I don't know if the flash-based "SSDs" can really compete in that area. cheers, Rainer