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It should be no surprise that many people are running MySQL in the cloud, sometimes at a very large scale. In our experience, most of them are using the Amazon Web Services (AWS) platform: specifically Amazon’s Elastic Compute Cloud (EC2), Elastic Block Store (EBS) volumes, and, to a lesser extent, the Relational Database Service (RDS).
One way to frame the discussion about MySQL in the cloud is to divide it into two rough categories:
IaaS is cloud infrastructure for hosting your own MySQL server. You can purchase a virtual server resource in the cloud and use it to install and run your MySQL instance. You can configure MySQL and the operating system as you wish, but you have no access or insight into the underlying physical hardware.