From owner-freebsd-stable@freebsd.org Mon May 14 15:48:56 2018 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 057AADF6ADA for ; Mon, 14 May 2018 15:48:56 +0000 (UTC) (envelope-from hausen@punkt.de) Received: from kagate.punkt.de (kagate.punkt.de [217.29.33.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 844887C8F5 for ; Mon, 14 May 2018 15:48:55 +0000 (UTC) (envelope-from hausen@punkt.de) Received: from hugo10.ka.punkt.de (hugo10.ka.punkt.de [217.29.44.10]) by gate1.intern.punkt.de with ESMTP id w4EFmrHa069426; Mon, 14 May 2018 17:48:53 +0200 (CEST) Received: from [217.29.44.241] ([217.29.44.241]) by hugo10.ka.punkt.de (8.14.2/8.14.2) with ESMTP id w4EFmrVf090220; Mon, 14 May 2018 17:48:53 +0200 (CEST) (envelope-from hausen@punkt.de) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: Spectre/Meltdown mitigation in 11.1-p10 bogging down zfs send/receive? From: "Patrick M. Hausen" In-Reply-To: <39DC78FE-D56E-4E7F-8F86-28C0ACAD761F@punkt.de> Date: Mon, 14 May 2018 17:48:53 +0200 Cc: mops@punkt.de Content-Transfer-Encoding: 7bit Message-Id: References: <39DC78FE-D56E-4E7F-8F86-28C0ACAD761F@punkt.de> To: freebsd-stable X-Mailer: Apple Mail (2.3273) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 May 2018 15:48:56 -0000 Hi! > Am 14.05.2018 um 17:35 schrieb Patrick M. Hausen : > Possibly we are on the wrong track altogether. We were - please just forget it ... ZFS scrub running during our activity ... everybody who already put more than five minutes of thought into this deserves a beer at the next EuroBSDCon ;-) Patrick -- punkt.de GmbH Internet - Dienstleistungen - Beratung Kaiserallee 13a Tel.: 0721 9109-0 Fax: -100 76133 Karlsruhe info@punkt.de http://punkt.de AG Mannheim 108285 Gf: Juergen Egeling