From owner-freebsd-questions@FreeBSD.ORG Thu Jan 17 22:32:28 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6B67F16A41A for ; Thu, 17 Jan 2008 22:32:28 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id E73B013C45D for ; Thu, 17 Jan 2008 22:32:18 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.13.8/8.13.8) with ESMTP id m0HMS00p005752; Thu, 17 Jan 2008 23:28:00 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.13.8/8.13.8/Submit) with ESMTP id m0HMRv16005749; Thu, 17 Jan 2008 23:28:00 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Thu, 17 Jan 2008 23:27:57 +0100 (CET) From: Wojciech Puchar To: robert@webtent.com In-Reply-To: <1200607624.7281.95.camel@columbus.webtent.org> Message-ID: <20080117232650.W5729@wojtek.tensor.gdynia.pl> References: <1200602606.7281.48.camel@columbus.webtent.org> <20080117221629.Y5573@wojtek.tensor.gdynia.pl> <1200605532.7281.74.camel@columbus.webtent.org> <20080117224645.D5606@wojtek.tensor.gdynia.pl> <1200607624.7281.95.camel@columbus.webtent.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: FreeBSD Subject: Re: db performance X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2008 22:32:28 -0000 >> use systat > > Using 'systat -iostat' it shows mostly idle with 25-70 MB/s on the aacd0 > array. Most of time above 50. Thanks for the help! > > -- > Robert > > 70MB/s can't be "mostly idle". or you meant CPU mostly idle. changing to RAID-not5 will help. seeking why disk traffic is so high - will help even more.