MySQL 5.5 delivers significant performance and scalability enhancements,” Monica Kumar senior director of product marketing at Oracle “Oracle is committed to MySQL and we’re very focused on growing the community.

News Facts

Underscoring its commitment to deliver new innovations to MySQL users, Oracle today announced the general availability of MySQL 5.5. MySQL 5.5 delivers significant enhancements enabling users to improve the performance and scalability of web applications across multiple operating environments, including Windows, Linux, Oracle Solaris, and Mac OS X.The MySQL 5.5 Community Edition, which is licensed under the GNU General Public License (GPL), and is available for free download, includes InnoDB as the default storage engine.This release benefitted from substantial user community participation and feedback on the MySQL 5.5 Release Candidate, helping to provide a more broadly tested product.For more details, join the MySQL Technology Update webcast on Dec. 15th at 10:00am US, Pacific Time.

Enhances Capabilities for Web Applications

The 5.5 release of MySQL provides the customization capabilities and scalability that MySQL DBAs and developers need to more efficiently build, maintain and scale web applications.With the MySQL 5.5 release users benefit from:Improved performance and scalability: MySQL Database and InnoDB storage engine have been enhanced to provide optimum performance and scalability when running on the latest multi-CPU and multi-core hardware and operating systems. In addition, with release 5.5, InnoDB is now the default storage engine for the MySQL Database, delivering ACID transactions, referential integrity and crash recovery.Higher availability: New semi-synchronous replication and Replication Heart Beat improve failover speed and reliability.Improved usability: Improved index and table partitioning, SIGNAL/RESIGNAL support and enhanced diagnostics, including a new PERFORMANCE_SCHEMA, improve the manageability of MySQL 5.5.

MySQL 5.5 Delivers Major Performance Gains

In recent benchmarks, the MySQL 5.5 release candidate delivered significant performance improvements compared to MySQL 5.1. Results included:On Windows: Up to 1,500 percent performance gains for Read/Write operations and up to 500 percent gain for Read Only.(1)On Linux: Up to 360 percent performance gain in Read/Write operations and up to 200 percent improvement in Read Only.(2)

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