© Laurenz Albe 2021 PostgreSQL commit ee28cacf61 has added new options for the target_session_attrs connection parameter. This article explores how the new options can be used to simplify high availability and horizontal scaling solutions. What is target_session_attrs? The PostgreSQL client shared library libpq has support for connection strings to more than one database server: In […]

© Laurenz Albe 2020 Streaming replication in PostgreSQL is a well-established master-slave replication technique. It is simple to set up, stable and performs well. So many people are surprised when they learn about replication conflicts — after all, the standby server is read-only. This article describes replication conflicts and tells you how to deal with […]