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.

Valkey Contribution

Product Documentation

Why Percona for MongoDB?

Why Percona for PostgreSQL?

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 5.6 vs MySQL 5.5 and the Star Schema Benchmark

So far most of the benchmarks posted about MySQL 5.6 use the sysbench OLTP workload.  I wanted to test a set of queries which, unlike sysbench, utilize joins.  I also wanted an easily reproducible set of data which is more rich than the simple sysbench table.  The...

Is MySQL 5.6 slower than MySQL 5.5?

There have been a number reports/benchmarks showing MySQL 5.6 to be slower than MySQL 5.5 on variety of workloads. There are many possible reasons and I believe we will learn about many of them in the next few weeks and months as MySQL 5.6 is starting to get...

Replication checksums in MySQL 5.6

MySQL 5.6 has an impressive list of improvements. Among them, replication checksums caught my attention as it seems that many people misunderstand the real added value of this new feature. I heard people think that with replication checksums, data integrity between...