Running a production application in the cloud can be great because it’s possible to add and remove servers from a cluster dynamically using a provisioning API. These automatic additions and removals can be triggered by system utilization levels that you measure, such as concurrent network connections, memory utilization, or CPU utilization. When you need more [...]

You might think that if you want faster internet performance, you can simply get a connection to the internet that has higher bandwidth. When you get a “faster” internet connection you may observe faster downloads. But it’s less frequently the additional bandwidth, and more frequently reduced latency that actually produces increased interactive web performance. This [...]

If you want to know what memcached is all about, check out my recent post about memcached on The Rackspace Cloud Blog. In order to use memcached in the cloud, you may need to run it on a public network. This introduces a rash of security concerns. Originally memcached was only intended for use on [...]