That's better than I was expecting. I'm surprised more people don't take advantage of this (or maybe they do, I don't know). Use S3 for permanent storage, ephem

That's better than I was expecting. I'm surprised more people don't take advantage of this (or maybe they do, I don't know). Use S3 for permanent storage, ephemeral disk and RAM for cache, and pay spot rates. Sounds pretty good if one's design allows for it.