I believe they're using chunks of RAM on each physical server to hold S3 objects. This might help explain where the "buffer/cache" is going to.
I regularly use a cheap netbook as a terminal to an m1.large instance for development work. My scripts use spot instances to keep the price low--typically around $0.13/hr. Not for everyone, but it's saved me maybe $500…
I believe they're using chunks of RAM on each physical server to hold S3 objects. This might help explain where the "buffer/cache" is going to.
I regularly use a cheap netbook as a terminal to an m1.large instance for development work. My scripts use spot instances to keep the price low--typically around $0.13/hr. Not for everyone, but it's saved me maybe $500…