On 8/14/07, erik quanstrom <[EMAIL PROTECTED]> wrote:
> > how about mounting venti-backed fossil files from a linux as an AoE drives?
> > vblade on sources exports the plan 9 file and the aoe driver for linux
> > does the mounting.
> >
> > Venti would be compressing and condensing duplicated blocks to a single 
> > block.
> > I'm not sure if same files are boundaried in same manner to each other 
> > though.
> >
>
> this is always cited as the "killer functionality" of venti.  essentially it 
> trades cpu time
> for disk space.  however, the couple of times where a concrete venti solution 
> was
> discussed (seperating attachments into seperate files, e.g. for de-duping), 
> it was
> deemed to be slower because attachments need to be split out to be recognized
> as the same.  (9fans.net/archive/2005/10 and 9fans.net/archive/2005/11/1).

I think Mechiel Lukkien GSoC project might be helpful with such
issues, see 
http://gsoc.cat-v.org/people/mjl/blog//2007-08-06-1_Rabin_fingerprints

uriel

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