Following Upgrade of postgres failed and PostgreSQL 12 update, we haven’t been able to identify anything particular which might help us here.
This installation isn’t particular large
root@pulp:/srv/www/organizations/panodata/community.panodata.org# du -sch .
661M total
and trying to launch the application again in order
fails, as the Rails app can’t connect to PostgreSQL:
==> shared/standalone/log/rails/unicorn.stderr.log <==
I, [2020-12-07T12:20:58.960126 #459] INFO -- : Refreshing Gem list
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/pg-1.1.4/lib/pg.rb:56:in `initialize': could not connect to server: No such file or directory (PG::ConnectionBad)
Is the server running locally and accepting
connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"?
from /var/www/discourse/vendor/bundle/ruby/2.6.0/gems/pg-1.1.4/lib/pg.rb:56:in `new'
from /var/www/discourse/vendor/bundle/ruby/2.6.0/gems/pg-1.1.4/lib/pg.rb:56:in `connect'