Understanding Patroni and etcd for PostgreSQL High Availability, including DCS, Raft consensus algorithm, leader election, and split-brain prevention mechanisms.

#Database#PostgreSQL#Patroni

Lesson 6: Installing and Configuring etcd Cluster

Learn how to install and configure etcd cluster for use with Patroni, including understanding etcd's role in Patroni architecture, setting up 3-node cluster with Raft consensus, creating systemd services, and testing cluster health.

#etcd#Raft#DCS