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Introduction
PostgreSQL is the most advanced open source database system and it is widely used across many industries. Among its many strengths, extensibility places PostgreSQL in a unique spot. CNPG has been supporting extensions; however, this traditionally required building custom container images to include the necessary extensions.
This has changed with ...
© Laurenz Albe 2025
In a previous article, I recommended using bigint for sequence-generated primary keys (but I make...
Introduction
PostgreSQL has built-in support for logical replication. Unlike streaming replication, which works at the block level, logical replication replicates data changes based on replica-identities, usually primary keys, rather than exact block addresses or byte-by-byte copies.
PostgreSQL logical replication follows a publish–subscribe model
Modern databases must know how to handle failures gracefully, whether they are system failures, power failures, or software bugs, while also ensuring that committed data is not lost. PostgreSQL achieves this with its recovery mechanism; it allows the recreation of a valid functioning system state from a failed one. The core component that makes this possible is Write-Ahead Lo...
As the year winds down and the festive lights start to glow, it’s the perfect moment for reflection. I’m delighted to share a few thoughts, and to take you behind the scenes of what makes our annual gathering so much more than just a party: the CYBERTEC Christmas Celebration.
From Guest to Organizer: My Holiday MissionLast year, I
