From: Peter A <loony@loonybin.org>
To: linux-btrfs@vger.kernel.org
Subject: Re: Offline Deduplication for Btrfs
Date: Fri, 7 Jan 2011 19:27:37 -0500 [thread overview]
Message-ID: <201101071927.38249.loony@loonybin.org> (raw)
In-Reply-To: <1294338857-sup-1440@think>
On Thursday, January 06, 2011 01:35:15 pm Chris Mason wrote:
> What is the smallest granularity that the datadomain searches for in
> terms of dedup?
>
> Josef's current setup isn't restricted to a specific block size, but
> there is a min match of 4k.
I talked to a few people I know and didn't get a clear answer either...
However, 512 bytes came up more than once.
I'm not really worried about the size of region to be used, but about
offsetting it... its so easy to create large tars, ... where the content is
offset by a few bytes, mutliples of 512 and such.
Peter.
--
Censorship: noun, circa 1591. a: Relief of the burden of independent thinking.
next prev parent reply other threads:[~2011-01-08 0:27 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-05 16:36 Offline Deduplication for Btrfs Josef Bacik
2011-01-05 16:36 ` [PATCH] Btrfs: add extent-same ioctl for dedup Josef Bacik
2011-01-05 17:50 ` Simon Farnsworth
2011-01-05 16:36 ` [PATCH] Btrfs-progs: add dedup functionality Josef Bacik
2011-01-05 17:42 ` Offline Deduplication for Btrfs Gordan Bobic
2011-01-05 18:41 ` Diego Calleja
2011-01-05 19:01 ` Ray Van Dolson
2011-01-05 20:27 ` Gordan Bobic
2011-01-05 20:28 ` Josef Bacik
2011-01-05 20:25 ` Gordan Bobic
2011-01-05 21:14 ` Diego Calleja
2011-01-05 21:21 ` Gordan Bobic
2011-01-05 19:46 ` Josef Bacik
2011-01-05 19:58 ` Lars Wirzenius
2011-01-05 20:15 ` Josef Bacik
2011-01-05 20:34 ` Freddie Cash
2011-01-05 21:07 ` Lars Wirzenius
2011-01-05 20:12 ` Freddie Cash
2011-01-05 20:46 ` Gordan Bobic
[not found] ` <4D250B3C.6010708@shiftmail.org>
2011-01-06 1:03 ` Gordan Bobic
2011-01-06 1:56 ` Spelic
2011-01-06 10:39 ` Gordan Bobic
2011-01-06 3:33 ` Freddie Cash
2011-01-06 1:19 ` Spelic
2011-01-06 3:58 ` Peter A
2011-01-06 10:48 ` Gordan Bobic
2011-01-06 13:33 ` Peter A
2011-01-06 14:00 ` Gordan Bobic
2011-01-06 14:52 ` Peter A
2011-01-06 15:07 ` Gordan Bobic
2011-01-06 16:11 ` Peter A
2011-01-06 18:35 ` Chris Mason
2011-01-08 0:27 ` Peter A [this message]
2011-01-06 14:30 ` Tomasz Torcz
2011-01-06 14:49 ` Gordan Bobic
2011-01-06 1:29 ` Chris Mason
2011-01-06 10:33 ` Gordan Bobic
2011-01-10 15:28 ` Ric Wheeler
2011-01-10 15:37 ` Josef Bacik
2011-01-10 15:39 ` Chris Mason
2011-01-10 15:43 ` Josef Bacik
2011-01-06 12:18 ` Simon Farnsworth
2011-01-06 12:29 ` Gordan Bobic
2011-01-06 13:30 ` Simon Farnsworth
2011-01-06 14:20 ` Ondřej Bílka
2011-01-06 14:41 ` Gordan Bobic
2011-01-06 15:37 ` Ondřej Bílka
2011-01-06 8:25 ` Yan, Zheng
-- strict thread matches above, loose matches on Subject: below --
2011-01-06 9:37 Tomasz Chmielewski
2011-01-06 9:51 ` Mike Hommey
2011-01-06 16:57 ` Hubert Kario
2011-01-06 10:52 ` Gordan Bobic
2011-01-16 0:18 Arjen Nienhuis
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