On Fri, Nov 28, 2025 at 07:27:30PM -0000, Peter Oliver wrote:
> On 28 November 2025 19:07:22 GMT, Neal Gompa <[email protected]> wrote:
> 
> >> On Fri, Nov 28, 2025 at 7:08 PM Neal Gompa <[email protected]> wrote:
> 
> >> > Is there a compelling reason that we shouldn't consider migrating to
> >> > zstd in an upcoming Fedora release?
> 
> I don't think this is compelling, but we'd need to do something about the 
> issue mentioned in 
> <https://lists.fedoraproject.org/archives/list/[email protected]/thread/QX5CIBDNRUCEJ3KGYKW3VWQPLCPBPS2N/>.

The issue described there is the literal suffix in:
> %ghost %{_mandir}/man8/sendmail.8.gz

A similar issue would occur in all the packages using alternatives and
managing a man page through that. In general alternatives are a PITA.
Fortunately, we only have a handful of such packages.
Those would need to be adjusted to use the new suffix in %ghost
and possibly also adjust the way that the symlink is installed.

> > It'll speed up stuff since zstd is a lot
> > faster than gzip, though.
> 
> Do you have numbers?  I tried setting brp-compress to zstd recently, and was 
> surprised that it seemed to be a lot slower for me.  I didn't look into it 
> carefully, though, so perhaps I was making some mistake.

Yeah, some real numbers would be nice.

Zbyszek
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