What drives me mad is when people claim they choose PostgreSQL over MySQL becaus...

dijit · on Aug 12, 2016

Postgres' MVCC is almost like copy-on-write by itself, so anything more than a journal is overkill in any realistic scenarios.

Personally we tried ZFS with PostgreSQL and we managed to fill the WAL drive before the vacuum could clear it out with our update rate.

So we went back to XFS on the more commonly adopted (in our company); CentOS