The Percona Database Performance Blog

Technical guides, deep dives, and perspectives across MySQL, PostgreSQL, MongoDB, Valkey, Redis, and more.

Blog

April 28, 2026

Percona Server for MongoDB Authentication Using Active Directory

This article will walk you through using the SASL library to allow your Percona Server for MongoDB instance to authenticate with your company’s ...

Blog

April 24, 2026

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...

Blog

April 23, 2026

Innovation From Every Corner: Inside Percona’s Build with AI Competition

At Percona, we’re passionate about open source database software, helping organizations of all sizes run, manage, and optimize their databases w...

Blog

April 23, 2026

Scaling Your Cache: A Step-by-Step Guide to Setting Up Valkey Replication

In the recent open-source data landscape, Valkey has emerged as a prominent player. Born as a Linux Foundation-backed, fully open-source fork of Redis...

Blog

April 22, 2026

Percona Live 2026 is Back in the Bay Area — Here’s Why You Don’t Want to Miss It

We’re thrilled to welcome the open source database community back in person for Percona Live 2026, taking place May 27–29 in the Bay Area. After the e...

Blog

April 21, 2026

Impacts of updates in open-source databases

We recently looked at how various open-source database engines maintain their secondary indexes (in a previous analysis) and found significant differe...

Blog

April 21, 2026

Percona Operator for MySQL 1.1.0: PITR, Incremental Backups, and Compression

The latest release of the Percona Operator for MySQL, 1.1.0, is here. It brings point-in-time recovery, incremental backups, zstd backup compression, ...

Blog

April 21, 2026

PostgreSQL Performance: Is Your Query Slow or Just Long-Running?

Introduction: Recently I was having a conversation with a DB Enthusiast, and he mentioned that when he was a fresher, he tuned an ETL/reporting query ...

Blog

April 20, 2026

Deploying Cross-Site Replication in Percona Operator for MySQL (PXC)

Having a separate DR cluster for production databases is a modern day requirement or necessity for tech and other related businesses that rely heavily...