Introduction This blog is aimed at beginners trying to learn the basics of PostgreSQL and PGPool but already have some experience under their belt. For this tutorial, we will assume you have PostgreSQL correctly installed on Ubuntu. All of these steps were done using PostgreSQL 16 (development version) and PGPool 4.4.3 on Ubuntu 23.04. We’ll…
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Introduction This blog is aimed at beginners trying to learn the basics of PostgreSQL and HAProxy but already have some experience under their belt. For this tutorial, we will assume you have PostgreSQL correctly installed on Ubuntu. All of these steps were done using PostgreSQL 16 (development version) and HAProxy 2.6.9 on Ubuntu 23.04. We’ll…
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1. Introduction I have noticed that there is a page on the offical PostgreSQL documentation (https://www.postgresql.org/docs/current/logical-replication-restrictions.html) that states several restrictions to the current logical replication design. One of the restrictions is about sequence relation type where any changes associated with a sequence is not logically replicated to the subscriber or to the decoding plugin. This…
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Replication is a critical part of any database system that aims to provide high availability (HA) and effective disaster recovery (DR) strategy. This blog is aimed at establishing the role of replication in a database system. The blog will give a general overview of replication and its types as well as an introduction to replication options…
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