On Thu, Jan 19, 2023 at 6:50 PM tushar <tushar.ah...@enterprisedb.com> wrote:
> and in the error message too > > [edb@centos7tushar bin]$ ./psql postgres -U r2 > > psql: error: connection to server on socket "/tmp/.s.PGSQL.5432" failed: > FATAL: remaining connection slots are reserved for roles with privileges > of pg_use_reserved_backends > [edb@centos7tushar bin]$ > I think there is also a need to improve the error message if non super users are not able to connect due to slot unavailability. --Connect to psql terminal, create a user create user t1; --set these GUC parameters in postgresql.conf and restart the server max_connections = 3 # (change requires restart) superuser_reserved_connections = 1 # (change requires restart) reserved_connections = 1 psql terminal ( connect to superuser), ./psql postgres psql terminal (try to connect to user t1) , ./psql postgres -U t1 Error message is psql: error: connection to server on socket "/tmp/.s.PGSQL.5432" failed: FATAL: remaining connection slots are reserved for roles with privileges of pg_use_reserved_backends that is not true because the superuser can still able to connect, probably in this case message should be like this - "remaining connection slots are reserved for roles with privileges of pg_use_reserved_connections and for superusers" or something better. regards,
