Mike sent me this link of a Google Tech talk on “Scalability at Youtube”.
Its a interesting read for a number of reasons:

You Tube had a tiny technical team that built and ran the site.
They show why the used various webserver configurations – apache vs squid vs lighttpd
It explains why development of lighttpd 1.5 has [...]

I’ve been invited to speak at the launch of Terralinks new data product – NZ Mastermap.
I’ll be speaking in Wellington (Tuesday morning) and Auckland (Wednesday morning). My talk is on “Online Maps – Past, Present and Future”. I’ll be providing a brief look at online mapping; what’s happened over the last 2 years and provide [...]

(From Slashdot)
Here’s a presentation from this year’s Sig-graph about techniques for content aware image resizing. There’s a youtube video of the presentation and pdf of their research.
Using the techniques you can resize image and remove non-important components of the image. These techniques will pay dividends in developing content for mobile devices. Especially as images take [...]

Just found a link to highscalability.com, the site is an aggregation of links, articles and blog posts about scalability. They have a lot of good overviews of various techniques and some good advice.
Here’s my pick of interesting articles:

Denormalising your way to Speed and Profit
Running Hadoop MapReduce on Amazon EC2 and Amazon S3
Try Squid as a [...]

I am surprised to find little about testing RJS in rails, with the exception of ARTS. However, assert_select_rjs seems to be the replacement to ARTS. This is nice, as we have now one less plugin to worry about. (I am of the opinion that testing plugins should be integrated into core if it is used [...]