I've asked, and gotten an answer: http://meta.stackexchange.com/questions/248446/how-does-stack-exchange-achieve-high-availability-with-redis http://meta.stacke

I've asked, and gotten an answer: http://meta.stackexchange.com/questions/248446/how-does-stack-exchange-achieve-high-availability-with-redis http://meta.stackexchange.com/questions/248446/how-does-stac... Other discussions: http://meta.stackexchange.com/questions/69164/does-stack-overflow-use-caching-and-if-so-how/69172#69172 http://meta.stackexchange.com/questions/69164/does-stack-ove... http://meta.stackexchange.com/questions/110320/stack-overflow-db-performance-and-redis-cache http://meta.stackexchange.com/questions/110320/stack-overflo...