around 5min [1] even though its overall system seems not that loaded [2] (and the changes to apply are very close to nothing)
[1]
```
root@pergamon:~# puppet agent --test
Info: Using configured environment 'production'
Info: Retrieving pluginfacts
Info: Retrieving plugin
Info: Retrieving locales
Info: Loading facts
Info: Caching catalog for pergamon.softwareheritage.org
Info: Applying configuration version '1642085546'
Notice: /Stage[main]/Profile::Systemd_journal::Journalbeat/File[/var/lib/journalbeat]/owner: owner changed 118 to 'root'
Notice: /Stage[main]/Profile::Systemd_journal::Journalbeat/File[/var/lib/journalbeat]/group: group changed 'nogroup' to 'root'
Notice: /Stage[main]/Profile::Bind_server::Primary/Resource_record[admin-db1/CNAME]/ensure: created
Notice: Applied catalog in 321.34 seconds
```
[2] https://grafana.softwareheritage.org/goto/5rd0scJ7z?orgId=1