The Percona Database Performance Blog

Curious case of PXC node that refused to start due to SSL

In this blog, I am going to share a real-world debugging case study where a routine Percona XtraDB Cluster node restart led to an unexpected failure. ...

Building Query Analysis and Insights Dashboard in PMM

Percona Monitoring and Management is a great open source database monitoring, observability, and management tool. Query analytics is one of the promin...

Run an ALTER TABLE for a huge table in Aurora

Recently, we received an alert for one of our Managed Services customers indicating that the auto_increment value for the table was 80% of its maximum...

Managing Valkey Cluster in Kubernetes

Over the last several years, Percona has introduced several rock-star Kubernetes Operators for managing MySQL, Percona XtraDB Cluster, MongoDB, and Po...

Continued Commitment to Percona XtraDB Cluster

At Percona, our priority has always been to provide the open source database solutions that our users can count on for the long term. Percona XtraDB C...

Troubleshooting logical replication delay made easy

This blog is based on a real production case in which users experienced a serious delay in logical replication. Let me try to explain how to approach ...

XtraBackup incremental prepare phase is 2x-3x faster!

TL;DR Percona XtraBackup is a 100% open-source backup solution for Percona Server for MySQL and MySQL®. It is designed for high-availability environme...

Orchestrator’s Next Chapter: What It Means for Percona Customers

Last week, ProxySQL announced that they are taking over the maintenance and development of Orchestrator, the MySQL high-availability and topology mana...

Ensuring PostgreSQL Backup Continuity: A pgBackRest Update

pgBackRest is a foundational component of the PostgreSQL backup solutions supported by Percona, playing a critical role in ensuring reliable and resil...

Achieving High Availability with Valkey Sentinel

In the previous guide, a robust Primary-Replica topology for Valkey was established. Read scaling is now active, and a hot copy of the data is securel...