Planet MySQL HA Blog

The Planet MySQL HA Blog aggregates content from sources that cover topics related to high availability (HA) for MySQL databases.

Season’s Greetings from the MySQL Community Team

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 […]

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MySQL’s Exciting Presence at Latin American Developer Events in 2025 

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 […]

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MySQL at FOSDEM

Again this year, the MySQL Team will be present both before and during FOSDEM. FOSDEM (Free and Open source Software Developers’ European Meeting) is a large, free, non-commercial annual conference in Brussels, Belgium, where thousands of free and open-source developers and users attend different sessions and provides an opportunity for those projects to meet their […]

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Deploying on OCI with the starter kit – part 9 (deploying a full app)

We have reached the end of our series on deploying to OCI using the Hackathon Starter Kit. For this last article, we will see how to deploy an application using Helidon (Java), the MySQL REST Service, and OCI GenAI with Lanchain4J. We use Helidon because it’s a cool, open-source framework developed by Oracle. It’s lightweight […]

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MySQL: Sakila Speaks – Season 3 Highlights

Welcome to the 20th installment of the 2025 MySQL Community Advent Calendar of Content! For this entry, we are highlighting season 3 of the Inside MySQL: Sakila Speaks podcast, which was dedicated to all things artificial intelligence (AI) and its impact on MySQL. Across five insightful episodes, Scott, Fred, and a range of expert guests […]

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Deploying on OCI with the starter kit – part 8 (using MySQL REST Service)

The starter kit deploys a MySQL HeatWave DB System on OCI (see previous posts [1],[2],[3],[4],[5],[6],[7]) and enables the MySQL REST Service automatically: The REST Service enables us to provide access to data without requiring SQL. It also provides access to some Gen AI functionalities available in MySQL HeatWave. Adding data to MRS using Visual Studio […]

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Deploying on OCI with the starter kit – part 7 (GenAI in HeatWave)

We saw in part 6 how to use OCI’s GenAI Service. GenAI Service uses GPUs for the LLMs, but did you know it’s also possible to use GenAI directly in MySQL HeatWave? And by default, those LLMs will run on CPU. The cost will then be reduced. This means that when you are connected to […]

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Enhancing PostgreSQL OIDC with pg_oidc_validator

| Percona

With PostgreSQL 18 introducing built-in OAuth 2.0 and OpenID Connect (OIDC) authentication, tools like pg_oidc_validator have become an essential part of the ecosystem by enabling server-side verification of OIDC tokens directly inside PostgreSQL. If you’re new to the topic, make sure to read our earlier posts explaining the underlying concepts and the need for external validators:

Deploying on OCI with the starter kit – part 6 (GenAI)

In the previous articles [1][2][3][4][5], we saw how to easily and quickly deploy an application server and a database to OCI. We also noticed that we have multiple programming languages to choose from. In this article, we will see how to use OCI GenAI Service (some are also available with the always-free tier). The goal […]

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What is New in Percona Toolkit 3.7.1

| Percona

Percona Toolkit 3.7.1 has been released on Dec 17, 2025. The most important updates in this version are:

  • Finalized SSL/TLS support for MySQL
  • Added support for Debian 13 and Amazon Linux 2023
  • Fixed MariaDB support broken in version 3.7.0
  • Added options to skip certain collections in pt-k8s-debug-collector and pt-stalk
  • Documentation improvements
  • Other performance improvements

In this blog, I will outline the most significant changes. A full list of improvements and bug fixes can be found in the release…

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