On Mon, Dec 14, 2009 at 9:32 PM, Andrey Kuzmin
<andrey.v.kuz...@gmail.com> wrote:
>
> Right, but 'verify' seems to be 'extreme safety' and thus rather rare
> use case.
Hmm, dunno. I wouldn't set anything, but scratch file system to
dedup=on. Anything of even slight significance is set to dedup=verify.
> Saving cycles lost to compress duplicates looks to outweigh
> 'uncompress before verify' overhead, imo.
Dedup doesn't come for free - it imposes additional load on CPU. just
like a checksumming and compression. The more fancy things we want our
file system to do for us, the stronger CPU it'll take.
--
Regards,
Cyril
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