Performance gains for MySQL 5.5, from the release:
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)
If you are using MySQL as a backend for your topic map application, these and other improvements will be welcome news.