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Re: Size problem
- From: Adam Megacz <gcj at lists dot megacz dot com>
- To: Jeff Sturm <jsturm at one-point dot com>
- Cc: Erik Poupaert <erik dot poupaert at chello dot be>, Anthony Green <green at redhat dot com>, <java at gcc dot gnu dot org>
- Date: 12 Jan 2003 19:32:21 -0800
- Subject: Re: Size problem
- Organization: Myself
- References: <Pine.LNX.4.44.0301122003190.16585-100000@ops2.one-point.com>
Hrm, I've always wondered about this one...
Jeff Sturm <jsturm@one-point.com> writes:
> objecting to, but the disk space savings
With the current price of hard drives, is this really a major concern?
> and memory savings
Someday I'd like to see a block-unifying filesystem. Every block
written to disk gets listed in a hash table. Duplicate blocks only
appear once on the disk. If you re-jigger your object file format to
take advantage of this, you get the disk savings and the in-memory
savings (copy on write assumed) automatically with zero extra (cough
cough libtool) effort.
We're playing around with block unification for netcache...
http://www.megacz.com/netcache.pdf
- a