If you are using Amazon EC2 instance to run WordPress, then one of the biggest challenges you will encounter is running out of system memory.  The server works fine for vanilla installs, but issues typically arise once you add some plugins.  For instance, these system memory problems can manifest themselves in the form of database crashes or system downtimes.  Luckily, this is an easy problem to fix without having to deal with expensive hardware upgrades.  Instead, all you need to do is add a swap drive in order to increase the memory available for your applications. What is a Swap Drive? When a computer runs it’s system and user applications will use up memory.  However, the operating system treats this memory differently... Read more