Achieving Rapid Response Times in Large Online Services Jeff Dean Google Fellow jeff@google.com Monday, March 26, 2012 Faster Is Better Monday, March 26, 2012 Faster Is Better Monday, March 26, 2012 Large Fanout Services Monday, March 26, 2012 • Overall latency ≥ latency of slowest component –small blips on individual machines cause delays –touching more machines increases likelihood of delays • S