> What do you mean "can't afford to just use postgres"? if I have 10TB of hot data, can I afford two machines with 10T of RAM each? how about 100T? > I thoug

> What do you mean "can't afford to just use postgres"? if I have 10TB of hot data, can I afford two machines with 10T of RAM each? how about 100T? > I thought postgres cost per query in many cases is cheaper than competitors. that's not really a useful metric without size/latency/etc attached to it, being cheap for 0.1qps might be fine for a YC company but that's no good for my successful company etc