From owner-freebsd-questions@FreeBSD.ORG Tue Apr 2 12:40:18 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id E5F5D1F3 for ; Tue, 2 Apr 2013 12:40:18 +0000 (UTC) (envelope-from terje@elde.net) Received: from keepquiet.net (keepquiet.net [IPv6:2a01:4f8:130:84c1::deaf:babe]) by mx1.freebsd.org (Postfix) with ESMTP id A947DFAD for ; Tue, 2 Apr 2013 12:40:18 +0000 (UTC) Received: from [10.130.10.194] (cm-84.210.76.250.getinternet.no [84.210.76.250]) (using TLSv1 with cipher ECDHE-RSA-AES128-SHA (128/128 bits)) (Client did not present a certificate) (Authenticated sender: terje@elde.net) by keepquiet.net (Postfix) with ESMTPSA id 274582E421; Tue, 2 Apr 2013 14:40:11 +0200 (CEST) Subject: Re: Regarding zfs send / receive Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: text/plain; charset=us-ascii From: Terje Elde In-Reply-To: Date: Tue, 2 Apr 2013 14:40:09 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Joar Jegleim X-Mailer: Apple Mail (2.1085) Cc: freebsd-questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Apr 2013 12:40:19 -0000 On 2. apr. 2013, at 13.44, Joar Jegleim wrote: > So my question(s) to the list would be: > In my setup have I taken the use case for zfs send / receive too far > (?) as in, it's not meant for this kind of syncing and this often, so > there's actually nothing 'wrong'. I'm not sure if you've taken it too far, but I'm not entirely sure if = you're getting any advantage over using rsync or similar for this kind = of thing. First two things that spring to mind: Do you have any legacy stuff on the receiving machine? Things like = physically removed old zpools, that are still in zpool.cache, seems to = slow down various operations, including creation of new stuffs (such as = the snapshots you receive). Also, you don't mention if you're deleting old snapshots on the = receiving end? If you're doing an incremental run every 15 minutes, = that's something like 3000 snapshots pr. month, pr. filesystem. Terje