Twitter Non-Stop Availability

Gojko Adzic reports on Twitter developer Evan Weavers presentation,"Improving Running Components", at QCon London 2009 in March. In his talk Evan Weaver covers the strategy they adopted to radically improve performance and scaling whilest at the same time maintaining 100% availability of the service. There are facinating statistics on the Twitter loads, their strategy and mention of the important part Scala played in this challenging upgrade. See the report here and the slides here