Percona Essentials

Percona
Platform

Percona Platform

A unified experience for developers and database administrators to monitor, manage, secure, and optimize database environments on any infrastructure.

Percona
Monitoring and
Management

Percona Monitoring and Management

Monitor the health of your database infrastructure, explore new patterns in behavior, and improve the performance of your databases no matter where they’re located.

Percona Resources

Software
Downloads

All of Percona’s open-source software products, in one place, to download as much or as little as you need.

Product
Documentation

A single source for documentation on all of Percona’s leading, open-source software.

Percona Blog

Percona Blog

Our popular knowledge center for all Percona products and all related topics.

Community

Percona Community Hub

A place to stay in touch with the open-source community

Events

Percona Events Hub

See all of Percona’s upcoming events and view materials like webinars and forums from past events

About

About Percona

Percona is an open source database software, support, and services company that helps make databases and applications run better.

Percona in the News

See Percona’s recent news coverage, press releases and industry recognition for our open source software and support.

Our Customers

Our Partners

Careers

Contact Us

MySQL Downgrade Caveats

MySQL Downgrade Caveats

In this blog, we’ll discuss things to watch out for during a MySQL downgrade. Previously, I wrote the blog MySQL upgrade best practices. Besides upgrading your MySQL version, sometimes you need to downgrade. When it comes to downgrading MySQL, there are two...
MySQL 5.7: CHANGE REPLICATION FILTER online

MySQL 5.7: CHANGE REPLICATION FILTER online

MySQL 5.7 has a lot of enhancements and new features. I summarized this list previously in this blog post. Adding replication filters online is one of the MySQL 5.7 features described in this manual. However, I will describe and summarize a few examples in this blog...

MySQL 5.7 key features

The other day I was discussing new features of MySQL 5.7 with a Percona Support customer. After that conversation, I thought it would be a good idea to compile list of important features of MySQL 5.7. The latest MySQL 5.7.6 release candidate (RC) is out and is packed...
MySQL Upgrade Best Practices

MySQL Upgrade Best Practices

MySQL upgrades are necessary tasks and we field a variety of questions here at Percona Support regarding MySQL upgrade best practices. This post highlights the recommended ways to upgrade MySQL in different scenarios. Why are MySQL upgrades needed? The reasons are...
MySQL Slow Query Log: Tools and Tips

MySQL Slow Query Log: Tools and Tips

MySQL has a nice feature: MySQL slow query log, which allows you to log all queries that exceed a predefined about of time to execute. Peter Zaitsev first wrote about this back in 2006 – there have been a few other posts here on the MySQL Performance Blog since...
InnoDB Performance Optimization Basics

InnoDB Performance Optimization Basics

I recently stumbled upon a post that Peter Zaitsev published back in 2007 titled “Percona Server 5.5 and in Oracle MySQL 5.6. Persistent optimizer statistics is one of the features first introduced in here. This feature is now included in Oracle MySQL 5.6, too....