Having spent years running 24×7 internet-facing production systems, I find that the monitoring element of an application delivery environment is often the last item to be addressed and built outside of the application delivery architecture. As we continue to build our application delivery infrastructure in the cloud, having a good monitoring strategy will allow us to arm ourselves with the… Read more →
Looks like HotPads.com has abandoned traditional hosting and moved into Amazon’s elastic compute cloud (EC2). This is a trend that I’ve been following in the web space.
The availability of any enterprise application is only as good as the monitoring solutions utilized. The reason being that a well thought out / well deployed monitoring solution not only detects when an application has failed to respond to requests, it can also take steps to being remedy the problem without involving human intervention. The last thing any admin wants… Read more →
Not many people know what LVS is. I ran World Health Organization’s public website (www.who.int) using a pair of Compaq DL360 servers running Linux Virtual Server, which is an open-source load-balancer. And guess what, during SARS, we saw over 14 million hits a day at the peak. While I don’t have the specific cps / concurrent conn numbers (we didn’t… Read more →