© Laurenz Albe 2021 Users with an Oracle background consider tablespaces very important and are surprised that you can find so little information about them in PostgreSQL. This article will explain what they are, when they are useful and whether or not you should use them. What is a tablespace Essentially, a tablespace in PostgreSQL […]

UPDATE 12.07.2022: The “exclusive backup” method of calling pg_start_backup(‘label’) before backup and pg_stop_backup() afterwards has been removed in PostgreSQL v15. This article describes the problems with the old method and discusses the options for those who still use this backup method. I include scripts below to help you. The “exclusive” backup method Before pg_basebackup was […]

If you are using transaction log shipping (or Point-In-Time-Recovery) in PostgreSQL to keep your data safe, you will surely already know about pg_basebackup. The idea behind pg_basebackup is to allow users to create a binary copy of the data, which can serve as the basis for Point-In-Time-Recovery.  However, recently we have seen some support cases, […]

In the past couple of years replication has been made easier and easier. Setting up streaming replication is pretty easy these days. When doing training I am getting a lot of positive feedback and people seem to like the way entire database instances can be cloned. In many cases DBAs use a straightforward approach to […]