#MySQL articles

A MySQL InnoDB Cluster provides high availability for a single database cluster using Group Replication. This works well for node failures inside the cluster, b...

Introduction Many MySQL configurations inherit redo log sizing from defaults, aging blog posts, or configuration folklore....

Starting with version 1.1.0, the Percona Kubernetes Operator for MySQL now supports incremental backups. This feature lets you backup only the changed data sinc...

At Percona, we operate on the premise that full transparency makes a product better. We strive to build the best open-source database products, but also to help...

Introduction Many MySQL setups begin life with a familiar incantation:...

MySQL Security Best Practices: A Practical Guide for Locking Down Your Database Introduction MySQL runs just about everywhere. I’ve seen it behind small persona...

There is a special kind of boredom that only database people know. The kind where you stare at a server humming along and think, surely there is something here ...

Configuring the Component Keyring in Percona Server and PXC 8.4 (Or: how to make MySQL encryption boring, which is the goal)...

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

MySQL replication has been around forever, and yet… people still manage to set it up in ways that break at the worst possible moment. Even in 2025, you can get ...

When I first got into woodworking, my mentor shared a piece of advice that has stuck with me ever since: “Use the right tool for the job.” You wouldn’t reach fo...

Struggling with MySQL memory spikes? Knowing how and where memory is allocated can make all the difference in maintaining a fast, reliable database. From global...

In my first post on the MySQL 8.4 Audit Log Filter component, I covered how to install the component and configure a basic filter that captures all events. The ...

The audit log filter component in MySQL 8.4 provides administrators with a powerful mechanism for auditing database activity at a fine-grained level. While it o...

At Percona, we operate on the premise that full transparency makes a product better. We strive to build the best open-source database products, but also to help...