ZFS dedup and temporary freeze
George Kontostanos
gkontos.mail at gmail.com
Wed Mar 30 16:59:24 UTC 2011
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>
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