Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 9 Nov 2001 04:30:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 9 Nov 2001 04:30:28 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:17416 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id ; Fri, 9 Nov 2001 04:30:20 -0500 Date: Fri, 9 Nov 2001 10:30:13 +0100 From: Jan Kara To: Roy Sigurd Karlsbakk Cc: linux-kernel@vger.kernel.org Subject: Re: Large files and filesystem block size Message-ID: <20011109103013.B1734@atrey.karlin.mff.cuni.cz> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.20i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, > I'm setting up a server serving large >=1GB files. I spoke to this guy > that just finished his PhD on the subject > (http://ConfMan.unik.no/~paalh/index2.html) , and he said he'd managed to > increase the throughput by using a 64kB block size on the files system. > This testing was done on NetBSD (as far as I can remember). > > Does anyone know of a file system that supports large files, large > filesystems and large block sizes? Linux doesn't support larger block size than page size (ie. 4 KB on i386). > Does any of you have any theories if his practice in using larger block > sizes will have the same impact on performance in Linux as it had in BSD? I think performance will improve but only for large files (but that's probably what you want). Honza -- Jan Kara SuSE CR Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/