Planet MySQL HA Blog

As a follow-up to our previous blog post, we are excited to invite you to a variety of shows, meetups, and events that we will be participating in from January 2026 through April 2026. Below, you will find the specific dates and locations. We look forward to connecting with you and sharing valuable insights during […]

Learn More »

This article is focused on describing the latest performance benchmarking executed on the latest releases of Community MySQL, Percona Server for MySQL and MariaDB. 

In this set of tests I have used the machine described here. 

Assumptions

There are many ways to run tests, and we know that results may vary depending on how you play with many factors, like the environment or the MySQL server settings. However, if we compare several versions of the same product on the same platform, it is logical to assume that all the versions will have the same “chance” to…

Learn More »

We spent a long time, two blog posts to be specific, talking about OAuth/OIDC in theory. Now we’ll take a more practical look at the topic: how can we configure PostgreSQL with a popular open source identity provider, Keycloak, and our pg_oidc_validator plugin?

We’ll not only look at the PostgreSQL configuration part, but also discuss the environment requirements and setting up Keycloak.

Docker containers

If you are only interested in trying out a working demo installation, we have a ready-to-use Docker Compose configuration available in our…

Learn More »

MySQL Studio in Oracle Cloud Infrastructure MySQL Studio in Oracle Cloud Infrastructure (OCI) is a unified environment for working with MySQL and HeatWave features through a single, streamlined interface. It brings SQL authoring, AI-assisted chat, and Jupyter-compatible notebooks together with project-based organization to help teams get from database setup to productive analytics faster. The same […]

Learn More »

Configuring the Component Keyring in Percona Server and PXC 8.4

(Or: how to make MySQL encryption boring, which is the goal)

Encryption is one of those things everyone agrees is important, right up until MySQL refuses to start and you’re staring at a JSON file wondering which brace ruined your evening.

With MySQL 8.4, encryption has firmly moved into the component world, and if you’re running Percona Server 8.4 or Percona XtraDB Cluster (PXC) 8.4, the supported path forward is the…

Learn More »

We’re excited to present a recap of the MySQL Community 2025 Advent Calendar posts. Once again, we thoroughly enjoyed preparing and sharing our insights on a diverse range of topics related to MySQL. Continuing the tradition from previous years, the MySQL Community Team contributed a series of daily blog posts throughout December, leading up to […]

Learn More »

I am upset about this one : I have a hard time not seeing this as negligence, and it starts to become a pattern...  So please forgive me if this post is not my most diplomatic, because I really think someone deserves a kick in the butt !  But what is all this about... There is a MySQL bug, which can lead to data corruption, opened for 8.0 in September 2023, fixed in MySQL 8.4.0 (

Learn More »

Managing large datasets can be a balancing act between performance and storage. Keeping your “hot” data lean is critical for speed and memory efficiency. But what about the “cold” data you still need to retain? Partition Exchange Archiving a simple, production-ready strategy that lets you instantly move old data out of your primary tables without […]

Learn More »

As the year comes to a close, we want to take a moment to say thank you to everyone who makes the MySQL Community what it is. Whether you contributed code, filed bugs, answered questions in forums, wrote a tutorial, spoke at an event, organized a meetup, or simply shared your experience with others — your passion […]

Learn More »

In 2025, MySQL celebrated a significant milestone: the 30th anniversary of its creation. This was not only an occasion for reflection but also for connection and collaboration within the broader tech community. For the first time, MySQL Community proudly sponsored several major events in Latin America, marking a pivotal moment in its journey. These events […]

Learn More »