Recipe for a Perfect Storm
TL&DR; Last Friday, the response time for serving pages to Europe-based visitors climbed to unacceptable levels (15 seconds per page or even more), forcing us to temporarily redirect all European traffic to our page serving infrastructure in the US East Coast. A combination of elevated response time from S3 and illegitimate traffic hitting our pages made an implementation weakness in our page server surface and, eventually, lead to this perfect Read More...