Happy Patrick's Twin Sister Day!

[image of Peppermint Patty] For some reason, Paddy's Day is popularly malapropised as Patty's Day over here. Much as I like the idea of Patricius's twin sister bringing literacy to the North American continent, it's always Peppermint Patty who springs to mind whenever I see it.

Failure recovery

I've been categorizing distributed system designs into four groups, according to how they recover from the loss of a single critical ele...