One process can lock your Postgres database, dominating all will, blocking other processes and queries. Jesse shows you how to find that one process that’s ruling them all. Once you’ve grabbed this lock and held it close to your chest, he’ll help you on your quest to cast it into the depths of Mt Doom.
Integer overflow can happen if you have a sequencing data type exceeding integer limits. Jesse has a query to help you spot it and recommendations for a short term and long term fix.