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 [...]

Imagine that you have a cluster with two machines side by side in an active/standby configuration. Let’s say you have your data replicated, and the systems are basically identical except for the IP address and hostname. You can use heartbeat to share an IP address such that if the primary fails, the secondary takes over. [...]

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 private [...]