- Verify that your database settings are optimal.
- Verify that your application is efficiently using the database.
- Verify that your data structures and indexes are correct for your use.
- Verify that your physical and virtual machines are working optimally with your database.
- Tweak your application code to work better with the database and remove bottlenecks.
- Have experience with physical and virtual servers as well as Amazon's RDS
Please visit my consulting page for more information.