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Leverage file system hole punching to avoid GC rewrite #308

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Connor1996 opened this issue Jan 31, 2024 · 0 comments
Open

Leverage file system hole punching to avoid GC rewrite #308

Connor1996 opened this issue Jan 31, 2024 · 0 comments
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type/enhancement Type: Issue - Enhancement

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@Connor1996
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https://man7.org/linux/man-pages/man2/fallocate.2.html
FALLOC_FL_PUNCH_HOLE can deallocate space in the byte range starting. Within the specified range, partial filesystem blocks are zeroed, and whole filesystem blocks are removed from the file. With that, we don't need to GC rewrite blob files and still save disk space.
@Connor1996 Connor1996 added the type/enhancement Type: Issue - Enhancement label Jan 31, 2024
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@Connor1996