Planet MySQL HA Blog

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

MySQL + Neo4j for AI Workloads: Why Relational Databases Still Matter

| Another MySQL DBA

MySQL 8.0 JSON Functions: Practical Examples and Indexing

| Another MySQL DBA

PostgreSQL minor release postponed in Q1’ 2026

| Percona

In case you are awaiting the February PostgreSQL Community minor update released on plan on February 12 we want to make sure that our users and customers are up to date and aware of what to expect.

This scheduled PostgreSQL release was delivered by the PostgreSQL Community on time and came carrying 5 CVE fixes and over 65 bugs bug fixes.

Unfortunately shortly after, the release team announced that an additional out of cycle release is planned for February 26. This follow up release addresses two regressions identified in the February 12 update.

Learn More »

MySQL Belgian Days and FOSDEM 2026: My Impressions

First of all, I want to say a huge thank you to Frederic Descamps and the entire team who worked on the MySQL Belgian Days. I was thrilled to see the high number of presentations and the excellent quality across the board. We had two rooms packed with attendees, and the event was simply great. It was also incredibly productive to finally reconnect with so many people in the community face-to-face.

Presentation-wise, I was really impressed by Vitor Oliveira (Huawei) and his talk, "Beyond Linear Read-Ahead: Logical Prefetching using Primary and Secondary Indexes in InnoDB…

Learn More »

MySQL Belgian Days and FOSDEM 2026: My Impressions

First of all, I want to say a huge thank you to Frederic Descamps and the entire team who worked on the MySQL Belgian Days. I was thrilled to see the high number of presentations and the excellent quality across the board. We had two rooms packed with attendees, and the event was simply great. It was also incredibly productive to finally reconnect with so many people in the community face-to-face.

Presentation-wise, I was really impressed by Vitor Oliveira (Huawei) and his talk, "Beyond Linear Read-Ahead: Logical Prefetching using Primary and Secondary Indexes in InnoDB…

Learn More »

New Era of MySQL Community Engagement

As we mark the milestone of MySQL’s 30-year anniversary, the celebrations around the globe have been a testament to the widespread impact and popularity of the Dolphin. This week’s annual preFOSDEM MySQL Belgian Days in Brussels are not only an opportunity to celebrate, but also a chance for Oracle to share some key updates on […]

Learn More »

Pre-FOSDEM & FOSDEM 2026, Community, Databases, and Open Source

| Percona

This is a recap of Percona at preFosdem and Fosdem!

Before FOSDEM officially started, the database community gathered for MySQL Belgium Days (Pre-FOSDEM), a two-day event bringing together MySQL developers, DBAs, engineers, tool builders, and open-source enthusiasts. It was an excellent space for deep technical discussions, knowledge sharing, and reconnecting with the community, hosted by the amazing Frederic Descamps. The event featured strong participation from Percona and the wider MySQL ecosystem, with talks led by

Learn More »

Extending MySQL 8.0 support in MySQL HeatWave

MySQL 8.0 is scheduled for End of Life (EOL) in April 2026. In line with this milestone, we previously announced in this Oracle blog post that all existing MySQL HeatWave instances running version 8.0 would be automatically upgraded to the latest supported 8.4 release after April 2026. However, understanding the operational realities and planning cycles […]

Learn More »

PGDay and FOSDEM Report from Kai

| Percona

The following thoughts and comments are completely my personal opinion and do not reflect my employers thoughts or beliefs. If you don’t like anything in this post, reach out to me directly, so I can ignore it ;-).

I’m currently on the train on my way back home from FOSDEM this year and man, I’m exhausted but also happy. Why? Because the PG and FOSDEM community is just crazily awesome. While it’s always too much of everything, it’s at the same time inspiring to see so many enthusiastic IT nerds in one place, discussing and working on what they love - technology and engineering…

Learn More »

Hackorum - A Forum-Style View of pg-hackers

| Percona

Last year at pgconf.dev, there was a discussion about improving the user interface for the PostgreSQL hackers mailing list, which is the main communication channel for PostgreSQL core development. Based on that discussion, I want to share a small project we have been working on:

https://hackorum.dev/

Hackorum provides a read-only (for now) web view of the mailing list with a more forum-like presentation. It is a work-in-progress proof of concept, and we are primarily looking for feedback on whether this approach is useful and what we…

Learn More »