A new client of mine in November switched to VPS. They are using DreamHost as the provider. The code is generated in Wordpress with plugins. Since moving to VPS they have been getting memory allocation errors and the server keeps rebooting. Before I was brought in they kept increasing the amount of memory allocated as suggested by DreamHost. This has not resolved the issue.
The other issue is the back-up had not worked since the VPS switch. They are using the backupbuddy plugin.
I was going to start by checking to see if all the plugins are being used. Is there a tool that can do that? Is there a better way to got about fixing the memory issue?