Nicolas Alvarez nous apporta ses lumieres en ce 2007/11/13 12:41:
> Darren New escribió:
>> Unlike UNIX, it's not just a matter of seeking around. You have to 
>> open the file as a sparse file, then you have to say "hey, this area 
>> is sparse" rather than (say) just writing all zeros to the blocks or 
>> something.
> 
> Not really... Cross-platform programs that don't use any 
> Windows-specific API manage to create sparse files here. That's why 
> download managers that download in chunks give the option to 
> pre-allocate: sparse files that are filled randomly get fragmented quite 
> badly.
And can have TONS of slack space! Just imagine a file whose records are about 64 
bytes each, and only having less than 0.01% of them actualy used... with 
clusters of 4Kb. You are stuck with many clusters containing only 1 record, at 
some random location in the cluster.

-- 
Alain
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Moonies: Only really happy shit happens.

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