March 2015

Drop An Index To Speed Up AdRotate WordPress Plugin

We have a client that keeps encountering a tremendous load on their WordPress Mysql database despite a trivial amount of normal traffic on their blog and lots of tuning that eliminated most normal database access. We tracked this down to the AdRotate plugin, and specifically the tracking callbacks to the admin-ajax interface in WordPress. Each […]

Schedule EC2 Instance Start and Stop

If you use EC2 instances for tasks that only need to be performed during work hours, it can be challenging and annoying to manually start up and shutdown instances when you need them.  There are services that can handle this for you (Skeddly, Ylastic, etc) but they cost money and are overkill for small companies […]