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On 02-Mar-2000 Matt Spong wrote:
>> 1) Windows scans your drive for duplicates at EVERY write, thus blowing
>> disk and cpu utilization off the wall.
>> 2) Windows keeps inventory of every file at every write either in cache
>> or memory. Oh yeah, this will really help performance.
>
> or 3) They keep some kind of (at least somewhat efficient) hashing
> algorithm around somewhere and keep a hash table of files, and if
> the file you write has the same hash value as another file on the
> disk it'll then compare the two.
Brilliant way to lose all your valuable data at once.
There has been lots of cruft-removal, find-indentical utilities floating around
the unix world for ages. At least one (methinks more) is actually packaged with
debian. I wonder why they never came to wide use... ;-)
- ----------------------------------
Anton R. Ivanov
IP Engineer Level3 Communications
RIPE: ARI2-RIPE E-Mail: Anton Ivanov <aivanov@eu.level3.net>
@*** Executive Umbrella Law ***
A businessman needs three umbrellas: one to leave at the office,
one to leave at home, and one to leave on the train.
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