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Is there any way to save storage on similar images?
(lemmy.pe1uca.dev)
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this post was submitted on 05 Sep 2024
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You could store one "average" image, and deltas on it. Like Git stores your previous version + a bunch of branches on top.
Note that Git doesnt store deltas. It will reuse unchanged files, but stores a (compressed) version of every file that has existed in the whole history, under its SHA1 hash.
Indeed! Interesting! I made an experiment now with a non-compressible file (strings < /dev/urandom | head -n something) and it shows you're right. 2nd commit, where I added a tiny line to that file, increased repo size by almost the size of the whole file.
Thanks for this bit.