I’ve been hyper busy in the bat cave (aka the garden office) with end of year projects, Christmas parties and general shenanigans (who sounds like an Irish military commander). It’s times like this when it’s good to see another site straining under the weight of usage and the imaginative page showing that times are good, yet the server load isn’t. Many sites (the tr.im one is too the left) now put up fun pictures when there servers are taking the strain. These pictures let you down gently, but thoroughly (no slow response just no response) with a promise that coming back later will make...

Before you read on this isn’t a post devoted to image caching. This is a post about data caching in general with image caching being an extreme form of data caching. It comes from a bit of work I did recently caching data from a tracking feed. It’s based around why you want to cache, what data you might need to cache and how you might cache (I used .NET but you can do it in all major web development languages). Caching has often been the premise of web sites that want to be, and I’m using a technical terms here, ‘screamingly fast’ and not ‘snail slow’. Caching before caching was...

It seems in this increasingly twitter fuelled world that anyone starting a blog must be certified. Surely the world can’t read more than 140 characters anymore, why bother making them? Well always one to buck the trend, I thought it might be a good time to start a blog. Hmm a blog, what should it be on? ArcGIS, nope plenty of those, Programming, nope loads of those also. GeoNerdRage? Nope I can name a few of those also So in order to start this blog I decided on the theme of performance and scalability, the architecture of such and the technologies that can help people design and develop...