Re: freebsd-update 12.3 to 14.0RC1 takes 12-24 hours (block cloning regression)

From: Piotr P. Stefaniak <pstef_at_freebsd.org>
Date: Thu, 19 Oct 2023 05:35:53 UTC 
On 2023-10-17 09:40:37, Kevin Bowling wrote:

>The flash SLOG system took around 12 hours to complete freebsd-update
>from 13.2 to 14.0-RC1.  The system without the SLOG took nearly 24
>hours.  This was the result of ~50k patches, and ~10k files from
>freebsd-update and a very pathological 'install' command performance.

>I spoke with mjg about this and because my pools do not have block
>cloning enabled, copy_file_range turns into a massive pessimization in
>'install'.  

I reported on IRC what I think is the same issue, except in my case this
was on an MMC and took many days (I stopped paying attention after 3
days).

Piotr