Ok, I'll try to reproduce with as few packages as I can. I'm working on a
script to test performance of only the "building profile" stage with
various numbers of packages.
I use an relatively new NVME SSD from Samsung. I got it a couple years ago.
I'll have to check back on its read/write performance, I don't remember the
model number. I'm sorry for taking a while to respond, I've been on
vacation for the last week and haven't been checking  my email.

Also, I know my email says it was sent from "Hazel Cooney" but I don't go
by that name anymore. I would prefer it if you called me Evan.

Thank you,
Evan Cooney

On Mon, Aug 12, 2024, 8:31 AM Ludovic Courtès <l...@gnu.org> wrote:

> Hi Hazel,
>
> Hazel Cooney <evancoone...@gmail.com> skribis:
>
> > before finishing. It said it was "building profile with (some number)
> packages", and it took at least 2 minutes on that stage only no
> > matter the size of the package.
>
> This is surprisingly long, indeed.
>
> Do you use an SSD or a rotating disk?  As Felix mentioned, the latter is
> likely to be quite slow for these operations.
>
> Also, the duration of this operation depends on the number of packages
> in the profile, and more or less on the number of files involved.  It
> would help if you could reproduce the slowness with as few packages as
> possible to see if we can identify some pathological behavior.
>
> Thanks,
> Ludo’.
>

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