Cloud computing makes it very affordable to get your own private virtual server on the Internet. Digital Ocean offers an entry level droplet for USD$5 per month, and Amazon.com has a micro instance tier on the EC2 platform that is free for the first year. These instances are rather useful if you want to test out some new technologies (multi source replication?) or put together a proof of concept.However, these servers comes with a very low amount of RAM, usually between half GB to one GB. It is common to see production grade database servers with literally 100x that amount.…