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Re: LMDB file size, again

> Windows and its lack of reasonable sparse file support makes it not a suitable
> OS. (Windows supports sparse files, but not by default, and there is a 30%
> performance degradation when using that support in LMDB.)
I wouldn't mind a 30% degradation, really. Do you see a possibility of
supporting sparse files under Windows? Is there more to it than adding a
FSCTL_SET_SPARSE flag somewhere?