From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:48901 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932292Ab2JLMwF (ORCPT ); Fri, 12 Oct 2012 08:52:05 -0400 From: Martin Steigerwald To: linux-btrfs@vger.kernel.org Subject: Re: Varying Leafsize and Nodesize in Btrfs Date: Fri, 12 Oct 2012 14:52:03 +0200 Cc: Mitch Harder References: <201210121232.55415.Martin@lichtvoll.de> (sfid-20121012_130619_891962_9D9D5E27) In-Reply-To: <201210121232.55415.Martin@lichtvoll.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Message-Id: <201210121452.03569.Martin@lichtvoll.de> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am Freitag, 12. Oktober 2012 schrieb Martin Steigerwald: > > Time (seconds) to finish 7 simultaneous copy operations on a set of > > Linux kernel git sources. > > > > > > > > Leafsize/ > > Nodesize Time (Std Dev%) > > 4096 124.7 (1.25%) > > 8192 115.2 (0.69%) > > 16384 114.8 (0.53%) > > 65536 130.5 (0.3%) > > Thanks for your testing, Mitch. > > I would be interested in results for 32768 bytes as well. > > Why? > > It improves until 16384 bytes but then it gets worse with 65536 bytes. > It would be interesting to know whether it improves for 32768 or > already gets worse with that value :) Please ignore. I was answering to a old thread that was shown on top of message list to answer to Phillip again. We had that topic already. Sorry for noise. -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7