Those of you studying the vmstat(8) man page may be wondering what the ’st’ figure is in the CPU column. The manual refers to it as “Time stolen from a virtual machine“. More specifically:
It’s the time the hypervisor scheduled something else to run instead of something within your VM. This might be time for another [...]

I’ve been writing recently about memcached, and how you can use it to save costs in Cloud Computing deployments. It’s equally important to know about memcached and when to use it to get optimal performance from your web applications.

Must Reads:

memcached: More Cache = Less Cash!

Setting up memcached on Cloud Servers

Setting up memcached on Cloud Sites