Re: ZFS dedup and temporary freeze

From: George Kontostanos <gkontos.mail_at_gmail.com>
Date: Wed, 30 Mar 2011 19:57:23 +0300
Very useful thank you!

DDT-sha256-zap-duplicate: 177 entries, size 9493 on disk, 12010 in core
DDT-sha256-zap-unique: 20016 entries, size 1232 on disk, 1524 in core

DDT histogram (aggregated over all DDTs):

bucket              allocated                       referenced
______   ______________________________   ______________________________
refcnt   blocks   LSIZE   PSIZE   DSIZE   blocks   LSIZE   PSIZE   DSIZE
------   ------   -----   -----   -----   ------   -----   -----   -----
     1    19.5K   2.44G   2.44G   2.44G    19.5K   2.44G   2.44G   2.44G
     2      175   21.9M   21.9M   21.9M      407   50.9M   50.9M   50.9M
     4        1    128K    128K    128K        6    768K    768K    768K
   256        1    128K    128K    128K      297   37.1M   37.1M   37.1M
 Total    19.7K   2.46G   2.46G   2.46G    20.2K   2.53G   2.53G   2.53G

dedup = 1.03, compress = 1.00, copies = 1.00, dedup * compress / copies =
1.03



On Wed, Mar 30, 2011 at 7:11 PM, Sean M. Collins <sean_at_coreitpro.com> wrote:

> Can you attach the output from zdb -DD zhome ?
>
> --
> Sean Collins
> Core IT Pro, LLC
> www.coreitpro.com
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-- 
George Kontostanos
aisecure.net <http://www.aisecure.net>
Received on Wed Mar 30 2011 - 14:59:24 UTC

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