Hi, Quoting Thomas Goirand (2023-09-19 09:50:45) > I'm not sure if we should switch to zstd, or if xz will do the work, though > I'd be delighted if the dpkg performances could be improved. I'm spending all > of my days installing server, sometimes with 1.5 TB of RAM and 128 core (AMD > Epyc...), on last gen NVMe, using a local mirror, it's really painful to see > how slow the debootstrap process is, compared to what it could be. Unpacking > multiple .deb at the same time seems a very good idea to me, as well as > parallelizing everything we can.
I was about to say that zdebootstrap by Adam Borowski used to be a thing four years ago but now I see another commit from two days ago so maybe it's still alive and usable? https://git.sr.ht/~kilobyte/zdebootstrap There is also my package mmdebstrap which gives you a Debian chroot a few times faster than debootstrap does. Here are some benchmarks from my laptop: | variant | mmdebstrap | debootstrap | | --------- | ---------- | ------------ | | essential | 9.52 s | n.a | | apt | 10.98 s | n.a | | minbase | 13.54 s | 26.37 s | | buildd | 21.31 s | 34.85 s | | standard | 23.01 s | 48.83 s | Depending on your use-case you might be interested in the essential or apt variants which are even faster because they install less stuff than "minbase". Thanks! cheers, josch
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