On Fri, Dec 13, 2024 at 10:16 PM Ed Maste <ema...@freebsd.org> wrote: > I have been reviewing parts of the release artifact build process, > including ISO and memstick images, and came across the distribution > sets (e.g., base.txz, src.txz) used by the installer to populate new > file systems. I’d like to discuss switching these to .tzst (tar + > zstd) compression.
Why? > While I haven’t yet conducted detailed benchmarks comparing zstd and > xz specifically for this use case, here are some initial > considerations: Benchmarks would be nice know what is the time-space benefit :-) > Pros of zstd: > - Faster compression and decompression speeds. > - Aligns with the compression method used for FreeBSD packages. > > Cons of zstd: > - Somewhat larger compressed file sizes. > - Requires updates to tools that interact with distribution sets. > - May have limited availability on some other operating systems (?). Seems like more cons than pros at first glance and even more in depth? > Feedback Requested: > Is there support for this idea? Are there objections to pursuing this? > Are there other factors I should consider, especially compatibility concerns? Not much clear benefit for a large (compatibility) breaking change on many levels, sounds like a NO GO :D -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
