From owner-freebsd-stable@FreeBSD.ORG Sun Jul 20 23:22:46 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 75D1C23D; Sun, 20 Jul 2014 23:22:46 +0000 (UTC) Received: from smtp1.multiplay.co.uk (smtp1.multiplay.co.uk [85.236.96.35]) by mx1.freebsd.org (Postfix) with ESMTP id 357FE286E; Sun, 20 Jul 2014 23:22:45 +0000 (UTC) Received: by smtp1.multiplay.co.uk (Postfix, from userid 65534) id 6047F20E7088D; Sun, 20 Jul 2014 23:22:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.multiplay.co.uk X-Spam-Level: ** X-Spam-Status: No, score=2.0 required=8.0 tests=AWL,BAYES_00,DOS_OE_TO_MX, FSL_HELO_NON_FQDN_1,HELO_NO_DOMAIN,RDNS_DYNAMIC,TO_EQ_FM_DIRECT_MX autolearn=no version=3.3.1 Received: from r2d2 (82-69-141-170.dsl.in-addr.zen.co.uk [82.69.141.170]) by smtp1.multiplay.co.uk (Postfix) with ESMTPS id C2D9920E7088A; Sun, 20 Jul 2014 23:22:40 +0000 (UTC) Message-ID: From: "Steven Hartland" To: "Steven Hartland" , "Jeremy Chadwick" , "Adrian Chadd" References: <20140720062413.GA56318@icarus.home.lan> <97EA8E571E634DBBAA70F7AA7F0DE97C@multiplay.co.uk> <20140720173524.GA67065@icarus.home.lan> <20140720201655.GA70545@icarus.home.lan> <20140720225845.GA81033@icarus.home.lan> <3E5D732C440140B9AEE204B91E5B120E@multiplay.co.uk> Subject: Re: Consistently "high" CPU load on 10.0-STABLE Date: Mon, 21 Jul 2014 00:22:38 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: FreeBSD Stable Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Jul 2014 23:22:46 -0000 ----- Original Message ----- From: "Steven Hartland" > Not sure if its in stable/10 but there was some talk about making > ZFS use lz4 for some things by default, wonder if that might have > something to do with it? Another silly question is do you see the same increase on 10.0-RELEASE? Regards Steve