From mboxrd@z Thu Jan 1 00:00:00 1970 From: Diego Calleja Subject: Re: Offline Deduplication for Btrfs Date: Wed, 5 Jan 2011 19:41:13 +0100 Message-ID: <201101051941.13268.diegocg@gmail.com> References: <1294245410-4739-1-git-send-email-josef@redhat.com> <4D24AD92.4070107@bobich.net> Reply-To: diegocg@gmail.com Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Cc: BTRFS MAILING LIST To: Gordan Bobic Return-path: In-Reply-To: <4D24AD92.4070107@bobich.net> List-ID: On Mi=E9rcoles, 5 de Enero de 2011 18:42:42 Gordan Bobic escribi=F3: > So by doing the hash indexing offline, the total amount of disk I/O=20 > required effectively doubles, and the amount of CPU spent on doing th= e=20 > hashing is in no way reduced. But there are people who might want to avoid temporally the extra cost of online dedup, and do it offline when the server load is smaller. In my opinion, both online and offline dedup have valid use cases, and the best choice is probably implement both. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html