The Percona Database Performance Blog

MyDumper Locking Mechanisms Revisited: Introducing SAFE_NO_LOCK

About a year ago, we discussed how MyDumper refactored its locking mechanisms to move away from old, rigid flags and transitioned towards more flexibl...

Running DuckDB as a MySQL 9.7 storage engine

ducksdb-mysql-engine is an experimental build of MySQL 9.7 where a table you mark ENGINE=DuckDB answers analytical queries from DuckDB instead of Inno...

Percona Operator for MySQL 1.2.0: Cross-Site Replication, Encrypted Backups, and Automatic Storage Scaling

  Percona Operator for MySQL 1.2.0 is out, and it closes three gaps that platform teams hit once a MySQL deployment grows past a single cluster. ...

Comparing Migration Methods from the Crunchy Data PostgreSQL Operator to the Percona Operator for PostgreSQL

Migrating a production PostgreSQL database on Kubernetes is not only about moving data from one operator to another. It is also about choosing the rig...

Why Percona Backup for MongoDB Is the Right Choice for Production Backups

When you’re running MongoDB in production, backups are non-negotiable. But not all backup strategies are equal. The gap between a good backup st...

Still on MySQL 5.7 or 8.0? Those high-severity CVE fixes are covered

Upstream MySQL published an out-of-schedule release this week with two high-severity CVE fixes. If you’re running Percona Server for MySQL 5.7 o...

Community Docker Images: keeping the operator open without a vendor registry lock-in

PostgreSQL community images address a real gap in how a Kubernetes database operator earns your trust. Running a database operator on Kubernetes means...

Debugging with Ephemeral Containers

Debugging applications in Kubernetes can be tricky. Containers are designed to be small, immutable, and purpose-built. That is great for production, b...

Why I haven’t run my databases on Kubernetes

A few years ago, if there was a discussion on “Should we run databases on Kubernetes?”, there were more people saying no than yes. One of the common a...

Skipping Percona Server for MySQL 8.4.9 and 9.7.0

Update, July 1, 2026: Percona Server for MySQL 8.4.10-10 is now available. It carries the content originally planned for 8.4.9 plus the upstream secur...