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January 29, 2026
Rebuilding a Replica with MyDumper
When a replica fails due to corruption or drift, the standard solution is to rebuild it from a fresh copy [...]
January 27, 2026
Automatic “Multi-Source” Async Replication Failover Using PXC Replication Manager
The replication manager script can be particularly useful in complex PXC/Galera topologies that require Async/Multi-source replication. This will ease the [...]
January 26, 2026
Back to Our Open Source Roots: Winding Down Percona ProBuilds
At Percona, open source is not just something we use. It is who we are. From our earliest days, our [...]
January 23, 2026
MySQL January 2026 Performance Review
This article is focused on describing the latest performance benchmarking executed on the latest releases of Community MySQL, Percona Server [...]
January 22, 2026
Separating FUD and Reality: Has MySQL Really Been Abandoned?
Over the past weeks, we have seen renewed discussion/concern in the MySQL community around claims that “Oracle has stopped developing [...]
January 20, 2026
What Oracle Missed, We Fixed: More Performant Query Processing in Percona Server for MySQL, Part 2
Remember when Percona significantly improved query processing time by fixing the optimizer bug? I have described all the details in [...]
January 16, 2026
Deploying Percona Operator for MySQL with OpenTaco for IaC Automation
Deploying databases on Kubernetes is getting easier every year. The part that still hurts is making deployments repeatable and predictable [...]
January 12, 2026
Using PXC Replication Manager to Auto Manage Both Source and Replica Failover in Galera-Based Environments
In this blog post, we will be discussing the PXC Replication Manager script/tool which basically facilitates both source and replica [...]
January 5, 2026
JavaScript Stored Routines in Percona Server for MySQL: A New Era for Database Programmability
For decades, we’ve accepted a painful compromise: if you wanted logic inside the database, you had to write SQL/PSM (Persistent [...]
December 11, 2025
A Christmas Carol of Two Databases
Being a Tale of Databases, Binary Logs, WAL Files, and the Redemption of Ebenezer Scrooge, DBA Part the First — [...]
December 9, 2025
How to Turn a MySQL Unique Key Into a Primary Key
A unique constraint specifies, one or more columns as unique it identifies. It is satisfied only when no two rows [...]
December 8, 2025
Unlocking Secure Connections: SSL/TLS Support in Percona Toolkit
In today’s interconnected world, data security is paramount. Protecting sensitive information transmitted between applications and databases is crucial, and SSL/TLS [...]
December 4, 2025
Cloud-Native MySQL High Availability: Understanding Virtually SYNC and ASYNC Replication
When we run databases in Kubernetes, we quickly learn one important truth: things will fail, and we need to be [...]
November 26, 2025
Let’s Rebuild the MySQL Community Together
Where We Are We can all agree that the MySQL ecosystem isn’t in great shape right now. Take a look [...]
November 25, 2025
Building the Future of MySQL: Announcing Plans for MySQL Vector Support and a MySQL Binlog Server
At Percona, our mission has always been to help you succeed with open source databases. We do that by listening [...]
November 24, 2025
Analyzing the Heartbeat of the MySQL Server: A Look at Repository Statistics
The MySQL database server is a foundational component of the open-source world. While its impact is undeniable, looking at the [...]
November 18, 2025
Introducing the GA Release of the New Percona Operator for MySQL: More Replication Options on Kubernetes
The Percona Cloud Native team is happy to announce the general availability of the Percona Operator for MySQL, based on [...]
November 14, 2025
A Tale of Two Databases: No-Op Updates in PostgreSQL and MySQL
I’m lazy when I’m speakin’ I’m lazy when I walk I’m lazy when I’m dancin’ I’m lazy when I talk [...]
November 5, 2025
Surprise with innodb_doublewrite_pages in MySQL 8.0.20+
In a recent post, The Quirks of Index Maintenance in Open Source Databases, I compared the IO load generated by [...]
October 28, 2025
Practical Data Masking in Percona Server for MySQL 8.4
Data masking lets you hide sensitive fields (emails, credit-card numbers, job titles, etc.) while keeping data realistic for reporting, support, [...]