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avmich
2 days ago
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Sparse File LRU Cache
We can talk about even more general idea of saving file space: compression. Ever heard about it used across the whole filesystems?
fh973
2 days ago
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Most compressible file formats are already compressed, and with compression you lose efficient non-sequential IO.
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praseodym
2 days ago
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Microsoft MS-DOS and Windows supported this in the 90s with DriveSpace, and modern file systems like btrfs and zfs also support transparent compression.
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eeeficus
2 days ago
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You introduce overhead on both read and write without being a better solution to OPs problem.
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