> 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.
Matt
--------------=====< Matt Spong (spong@glue.umd.edu) >=====---------------
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