MySQL 5.5.

Hi folks,

Oracle has announced the MySQL 5.5 release candidate. They claim the following performance gain:

• 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).

(1) SysBench benchmark of MySQL 5.5.6 vs. MySQL 5.1.50 performed on Intel x86_64; 4 CPU x 2 Cores/CPU; 3.166 GHz, 8GB RAM; Windows Server 2008.