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From: Josef Bacik <jbacik@fusionio.com>
To: Liu Bo <bo.li.liu@oracle.com>
Cc: <linux-btrfs@vger.kernel.org>
Subject: Re: [RFC PATCH v5 0/5] Online data deduplication
Date: Wed, 31 Jul 2013 17:20:27 -0400	[thread overview]
Message-ID: <20130731212027.GD2372@localhost.localdomain> (raw)
In-Reply-To: <1375285066-14173-1-git-send-email-bo.li.liu@oracle.com>

On Wed, Jul 31, 2013 at 11:37:40PM +0800, Liu Bo wrote:
> Data deduplication is a specialized data compression technique for eliminating
> duplicate copies of repeating data.[1]
> 
> This patch set is also related to "Content based storage" in project ideas[2].
> 
> PATCH 1 is a hang fix with deduplication on, but it's also useful without
> dedup in practice use.
> 
> PATCH 2 and 3 are targetting delayed refs' scalability problems, which are
> uncovered by the dedup feature.
> 
> PATCH 4 is a speed-up improvement, which is about dedup and quota.
> 
> PATCH 5 is full of real things, all details about implementation of dedup.
> 
> Plus, there is also a btrfs-progs patch which helps to enable/disable dedup
> feature.
> 
> TODO:
> * a bit-to-bit comparison callback.

Didn't pass my BUG_ON() search test, try again.

Josef

  parent reply	other threads:[~2013-07-31 21:20 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-31 15:37 [RFC PATCH v5 0/5] Online data deduplication Liu Bo
2013-07-31 15:37 ` [RFC PATCH v5 1/5] Btrfs: skip merge part for delayed data refs Liu Bo
2013-07-31 15:37 ` [RFC PATCH v5 2/5] Btrfs: improve the delayed refs process in rm case Liu Bo
2013-07-31 16:45   ` Stefan Behrens
2013-07-31 15:37 ` [RFC PATCH v5 3/5] Btrfs: introduce a head ref rbtree Liu Bo
2013-07-31 21:19   ` Zach Brown
2013-07-31 15:37 ` [RFC PATCH v5 4/5] Btrfs: disable qgroups accounting when quota is off Liu Bo
2013-08-05 12:34   ` Jan Schmidt
2013-08-05 14:18     ` Liu Bo
2013-08-05 15:10       ` Jan Schmidt
2013-08-06  2:25         ` Liu Bo
2013-07-31 15:37 ` [RFC PATCH v5 5/5] Btrfs: online data deduplication Liu Bo
2013-07-31 22:50   ` Zach Brown
2013-08-01 10:14     ` Liu Bo
2013-08-01 18:35       ` Zach Brown
2013-07-31 15:37 ` [PATCH] Btrfs-progs: add dedup subcommand Liu Bo
2013-07-31 16:30   ` Stefan Behrens
2013-08-01 10:17     ` Liu Bo
2013-08-01 22:01   ` Mark Fasheh
2013-08-02  2:29     ` Liu Bo
2013-07-31 21:20 ` Josef Bacik [this message]
2013-08-01 10:16   ` [RFC PATCH v5 0/5] Online data deduplication Liu Bo

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