PostgreSQL
Major PostgreSQL version upgrade in a Patroni cluster
22.06.2022 by Joël Cattin
Introduction One of my customer recently asked me to upgrade its PostgreSQL instance from version 9.6 to version 14.3. The infrastructure is composed of 4 servers : – DB02-04 – Ubuntu 20.04 – supporting PostgreSQL, Patroni, HAProxy and etcd–(…)