Hi Adrian, > On 28. Sep, 2020, at 16:03, Adrian Klaver <adrian.klaver@xxxxxxxxxxx> wrote: > > So pgwatch2 installs functions that use plpythonu? > How does that work if there is no plpython language installed? at work, the extension is installed everywhere. But it seems we have an old version. The current version seems to use plpython3u. https://github.com/cybertec-postgresql/pgwatch2 Or more specifically: https://github.com/cybertec-postgresql/pgwatch2#integration-of-os-level-metrics At least, at a very quick first look, this one is updated and hence off the list to check. Ok, but this is going to be off-topic. Cheers, Paul