Percona Server is an enhanced, drop-in MySQL® replacement which has been downloaded more than 1,400,000 times. Percona Server is based on the Percona XtraDB Storage Engine, an enhanced version of the InnoDB storage engine for MySQL and MariaDB. Percona Server is a free open source MySQL alternative which offers breakthrough performance, scalability, features, and instrumentation. It is based on the latest versions of MySQL and additionally includes extra features which are only found in the MySQL Enterprise Edition. Self-tuning algorithms and support for extremely high-performance hardware make it the clear choice for organizations that demand excellent performance and reliability from their MySQL database server. Find out how or compare Percona Server to MySQL.
Percona Server is optimized for cloud computing, NoSQL access, and modern hardware such as SSD and Flash storage.

With Percona Server: “We are using Percona Server on three of our biggest services, and it is a major part of their success.” — (Opera Software ASA) Queries will run faster and more consistently You can consolidate servers on powerful hardware Sharding is delayed or avoided entirely You can save money on hosting fees and power You can spend less time tuning and administering You can achieve higher uptime Troubleshooting does not require guesswork