Common Issues and Solutions for Dealing with Cloud Computing and VPS performance issues for Drupal
The bulk of Drupal hosting for clients that we deal with is on virtual servers, whether they are marketed as "cloud" or not. Many eventually have to move to dedicated servers because increased traffic or continually adding features that increase complexity and bloat.
But, there are often common issues that we see repeatedly that have solutions which can prolong the life of your current site's infrastructure.
We assume that your staff, or your hosting provider, have full access to the virtual servers, as well as the physical servers that run on them.