How to see Amazon RDS (postgres) connection limit? select * from pg_settings where name=’max_connections’; for t2.micro for example we have 87 max connexion for large.micro 522 i think xD you have always try t close hibernate session if yu use it to make connexion to databases in order to do some (insertions , reading …)   … Lire la suite How to drop all connexion to your database PostgreSQL