Planet MySQL HA Blog
The Planet MySQL HA Blog aggregates content from sources that cover topics related to high availability (HA) for MySQL databases.
Binary Log Compression is Safe since MySQL 8.0.34
This is a quick one. My attention was recently brought (thanks Simon) on a relatively recent comment (25 Nov 2025) in Bug #103672 - Binlog compression transaction payload event exceeds max allowed packet :
The underlying server bug was fixed in 8.0.34 in BUG#33588473. The server now falls back to writing the transaction without compression, if the compressed size would
Unified MySQL Monitoring Across HeatWave and On-Prem with Grafana Dashboard
MySQL observability is essential in modern enterprises, whether you run a few critical databases or operate at massive scale. With the right real‑time monitoring, teams reduce MTTD/MTTR, avoid cascading failures, and continuously track workload health—CPU, memory, I/O, buffer pool efficiency, session contention, transaction/replication lag, error rates, and query latency. This Grafana monitoring template helps teams […]
Strengthening the MySQL Community: Highlights from Our Second Public Discussion
On March 23, 2026, the MySQL Community Team hosted our second public discussion focused on shaping a new era of MySQL community engagement. With over 50 attendees participating, the session brought together members of the MySQL ecosystem to share feedback, discuss priorities, and help guide future efforts. Building on our earlier session, this webinar continued […]
MySQL Early Access Release Builds Available: What to Test and How to Share Feedback
Last week, we published MySQL Early Access Release builds available for community testing and feedback ahead of the upcoming stable releases. Early Access builds are ideal for developers and DBAs who want to validate compatibility, behavior, and performance in non-production environments—and help us catch regressions early or identify areas where the documentation could be clearer. We […]
Continued Momentum Leading up to MySQL Community Edition Release
More MySQL Worklogs and MySQL Developer Guide published As we ramp up to the MySQL Community Edition release in April, and as part of your our updated community engagement approach (see: A New Era of MySQL Community Engagement), we are announcing more MySQL worklogs, a MySQL Developer Guide and a reminder to please provide feedback […]
Where can you find MySQL next? (Updated events list for March–May 2026)
As a follow-up to our previous blog post, “Where can you find MySQL during January to April 2026” (published at the end of January 2026), we would like to share an update. With the dynamic nature of event planning, we have slightly adjusted our plans—both for in-person conferences and for online sessions—so you always have […]
Mapping your data to file(s) in your Lakehouse table
MySQL HeatWave is a fully-managed MySQL database service that combines transactions, analytics, machine learning, and GenAI services, without ETL duplication. Also included is HeatWave Lakehouse, allowing users to query data stored in object storage, MySQL databases, or a combination of both. Introduction In the 9.6.1 release of MySQL HeatWave, Lakehouse now supports the _metadata_filename column […]
MySQL Community Early Access Builds
MySQL benefits from a large and technically rigorous community—people who run MySQL at scale, test it in diverse environments, and surface issues (and ideas) that make the product better. Over the last year, we’ve been listening to community feedback and, since January 2026, sharing our updated community engagement approach (see: A New Era of MySQL Community […]
Join the Public MySQL Community Roadmap Discussion Webinar (Edition #2)
Following the strong participation in our first Public MySQL Community Roadmap Discussion (with attendees joining from around the world), we are excited to invite you to the second edition of this public community webinar series. In our latest blog post, we have published a brief recap of the first webinar—highlighting the key roadmap themes, how […]
Building a MySQL Shell Plugin to Scan for Sensitive Data (Vibe Coding AI-assisted, ~30 minutes)
Sensitive data has a way of showing up in unexpected places: an “email” column in a demo app, a forgotten “token” field in a logging table, or free-text notes that quietly become regulated data. I wanted a lightweight, repeatable way to answer a simple question on any MySQL instance: Where is sensitive data likely to […]