From owner-freebsd-database@FreeBSD.ORG Thu Jan 19 00:59:00 2006 Return-Path: X-Original-To: freebsd-database@freebsd.org Delivered-To: freebsd-database@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 51BA216A420; Thu, 19 Jan 2006 00:59:00 +0000 (GMT) (envelope-from decibel@decibel.org) Received: from noel.decibel.org (noel.decibel.org [67.100.216.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id E5A7143D45; Thu, 19 Jan 2006 00:58:59 +0000 (GMT) (envelope-from decibel@decibel.org) Received: by noel.decibel.org (Postfix, from userid 1001) id 3EDBC3983D; Wed, 18 Jan 2006 18:58:47 -0600 (CST) Date: Wed, 18 Jan 2006 18:58:47 -0600 From: "Jim C. Nasby" To: Arne Woerner Message-ID: <20060119005847.GK17896@decibel.org> References: <787bbe1c0601140457y6de99891n86b49a728eedac94@mail.gmail.com> <20060114144202.6199.qmail@web30315.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060114144202.6199.qmail@web30315.mail.mud.yahoo.com> X-Operating-System: FreeBSD 6.0-RELEASE amd64 X-Distributed: Join the Effort! http://www.distributed.net User-Agent: Mutt/1.5.11 Cc: freebsd-database@freebsd.org, freebsd-performance@freebsd.org Subject: Re: Horrible PostgreSQL performance with NFS X-BeenThere: freebsd-database@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Database use and development under FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jan 2006 00:59:00 -0000 On Sat, Jan 14, 2006 at 06:42:02AM -0800, Arne Woerner wrote: > Did you do those "dd" tests with small block sizes (like 1byte: > bs=1), like somebody on one of those lists suggests, too? Then we > could see, if there is a high latency that ruins everything... FYI, PostgreSQL does 8kB I/O by default. This can only be changed by modifying a header file. -- Jim C. Nasby, Database Architect decibel@decibel.org Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?"