From owner-freebsd-questions@FreeBSD.ORG Fri Nov 21 14:58:52 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 922FA16A4CE for ; Fri, 21 Nov 2003 14:58:52 -0800 (PST) Received: from clanbuckbuck.org (12-211-125-56.client.attbi.com [12.211.125.56]) by mx1.FreeBSD.org (Postfix) with SMTP id 8B20143FE1 for ; Fri, 21 Nov 2003 14:58:51 -0800 (PST) (envelope-from ryallsd@datasphereweb.com) Received: (qmail 10104 invoked from network); 21 Nov 2003 22:58:50 -0000 Received: from unknown (HELO RYALLS1) (131.107.3.86) by 12-211-125-56.client.attbi.com with SMTP; 21 Nov 2003 22:58:50 -0000 From: "Derrick Ryalls" To: "'Marco Greene (Home)'" Date: Fri, 21 Nov 2003 14:58:50 -0800 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 In-Reply-To: <20031121200314.GA4280@xor.obsecurity.org> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal cc: "'List, FreeBSD Questions'" Subject: RE: Slow creating lots of files... X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Nov 2003 22:58:52 -0000 > On Fri, Nov 21, 2003 at 02:57:41PM -0500, Marco Greene (Home) wrote: > > Doing some further research into my NetBackup slow restore > > performance...I have noticed that if I create a lot of small > > files....it can take about 10 times as long as creating one > big file > > of the same size. Ever install Rainbow 6? That install could take almost an hour from 1 cd. If they had zip'ed the files transferred and unzipped, it would have been much faster. With lots of small files, you have seek, read, seek, read, etc. With one big file, seek, read, read, read... I am not an expert on this, but it doesn't sound very abnormal.