They both have their use cases. Zstandard is for compression of a stream of data (or a single file), while 7-Zip is actually two parts: A directory structure (like tar) plus a compression algorithm (like LZMA which it uses by default) in a single app.
Well when using zstd, you tar first, something like tar -I zstd -cf my_tar.tar.zst my_files/*. You almost never call zstd directly and always use some kind of wrapper.
Sure, you can tar first. That has various issues though, for example if you just want to extract one file in the middle of the archive, it still needs to decompress everything up to that point. Something like 7-Zip is more sophisticated in terms of how it indexes files in the archive, so I’m looking forward to them adding zstd support.
FWIW most of my uses of zstd don’t involve tar, but it’s in things like Borgbackup, database systems, etc.
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zstdor leavezstd may be newer and faster but lzma still compresses more
Thought I’d check on the Linux source tree tar.
zstd -19vslzma -9:About +8% compared to lzma. Decompression time though:
Yeah, I’m going with zstd all the way.
damn I did not know zstd was that good. Never thought I’d hear myself say this unironically but thanks Facebook
*Thank you engineers who happen to be working at Facebook
Very true, good point
Nice data. Thanks for reminding me why I prefer zstd
As always, you gotta know both so that you can pick the right tool for the job.
They both have their use cases. Zstandard is for compression of a stream of data (or a single file), while 7-Zip is actually two parts: A directory structure (like tar) plus a compression algorithm (like LZMA which it uses by default) in a single app.
7-Zip is actually adding zstd support: https://sourceforge.net/p/sevenzip/feature-requests/1580/
Well when using zstd, you tar first, something like
tar -I zstd -cf my_tar.tar.zst my_files/*. You almost never call zstd directly and always use some kind of wrapper.Sure, you can tar first. That has various issues though, for example if you just want to extract one file in the middle of the archive, it still needs to decompress everything up to that point. Something like 7-Zip is more sophisticated in terms of how it indexes files in the archive, so I’m looking forward to them adding zstd support.
FWIW most of my uses of zstd don’t involve tar, but it’s in things like Borgbackup, database systems, etc.
Yes, definitely. My biggest use is transparent filesystem compression, so I completely agree!
I’ll
gunzipyou to oblivion!