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1341Re: [SpectrumLabUsers] Question about sparse option

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  • wolf_dl4yhf
    Feb 15, 2013
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      Hello Marc,

      I have no idea how to instruct the file system to treat a file as 'sparse' when creating it.
      From the few bits and pieces I read in wikipedia about sparse files, I also don't think its really appropriate here: The big advantage with sparse files is if a large portion of them contains zeroes, which are actually not written to the file. This is definitely not the file when storing FFTs (with floating point numbers) in spectrum labs buffer file. Sooner or later there will be no such gaps at all, and 'sparse' files (as I understand them to work) will actually cause *MORE* fragmentation than if the file was allocated as a single large block, physically.

      But again, I am not an expert in the NTFS file system so maybe someone around here has more details.

      All the best,
         Wolf .

      Am 15.02.2013 11:03, schrieb muzieklampje:

      Dear Wolf. Would it be possible to add a 'saving as sparse' (only for ntfs file system) option for the buffer file so the harddisk get less fragmented?
      With kind regards, Marc, The Netherlands.

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