Bulletproofing Your Database With (Multiple) PostgreSQL Replicas

The text discusses the importance of using PostgreSQL replicas to protect data from various risks such as hardware failures, natural disasters, or human errors. It explains how Timescale supports high-availability (HA) replicas and introduces multiple HA typologies for different use cases. The article also delves into the technical details of database replication in PostgreSQL and how Timescale uses it to ensure data safety. Additionally, it provides benchmarking results comparing the performance impact of various replica configurations.