From owner-freebsd-fs@freebsd.org Thu Jan 7 12:18:37 2016 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 47244A64592 for ; Thu, 7 Jan 2016 12:18:37 +0000 (UTC) (envelope-from john@potato.growveg.org) Received: from potato.growveg.org (potato.growveg.org [62.49.247.163]) (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 1022B1E0D for ; Thu, 7 Jan 2016 12:18:36 +0000 (UTC) (envelope-from john@potato.growveg.org) Received: from john by potato.growveg.org with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1aH9WU-000JgX-Qc for freebsd-fs@freebsd.org; Thu, 07 Jan 2016 12:18:34 +0000 Date: Thu, 7 Jan 2016 12:18:34 +0000 From: John To: freebsd-fs@freebsd.org Subject: Re: zfs send compression query Message-ID: <20160107121834.GC50011@potato.growveg.org> Reply-To: freebsd-fs@freebsd.org Mail-Followup-To: freebsd-fs@freebsd.org References: <20160106233557.GA6185@potato.growveg.org> <20160107073611.GA50011@potato.growveg.org> <20160107075935.GB50011@potato.growveg.org> <7C9E16F4-AFE3-49E5-9686-B33D0E0FDB37@chittenden.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <7C9E16F4-AFE3-49E5-9686-B33D0E0FDB37@chittenden.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: john X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2016 12:18:37 -0000 On Thu, Jan 07, 2016 at 12:05:36AM -0800, Sean Chittenden wrote: >Bonus points: > >$ SNAP_SIZE=`zfs send -nvP "vms/133@2016-01-07.0648" | tail -n 1 | awk '{print $2}'` >$ zfs send -Rv vms/133@2016-01-07.0648 | pv -r -a -b -t -e -s "${SNAP_SIZE}" -B 512m | pigz -9c | ssh backup@[redacted] "pigz -dc | zfs recv -Fdvu storage/snapshots" > >Useful for getting an ETA. -sc Thanks for that. What do you think of other streaming compressors like xz / lzrzip / pbzip2 / bzip2 / zpaq / pixz ? -- John