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Last time I surveyed my data, more than 99% of it was in an already compressed format (e.g. JPEG and HEVC), so compressing the backups added almost no benefit.
by jl6 5y ago
Last time I surveyed my data, more than 99% of it was in an already compressed format (e.g. JPEG and HEVC), so compressing the backups added almost no benefit.
(Now, that’s not strictly true any more for JPEGs thanks to projects like lepton and JPEG XL which can indeed compress already-compressed JPEGs losslessly).
- KronisLV 5y ago> Last time I surveyed my data, more than 99% of it was in an already compressed format (e.g. JPEG and HEVC), so compressing the backups added almost no benefit. Personally, i use regular HDDs for storage of data (SSDs are out of my price point for anything but boot drives) and having fewer larger files seems to result in slightly better copying performance than having more smaller files. Though that might also have to do something with the file system and method of copying as well.
- jl6 5y agoI agree, and I use tar to make backup volumes for this reason. I just don’t compress them.