How did you go from 10s of ms for an update for 2012 Spanner, to sub-ms update (...

		toadthewet on Feb 15, 2017 \| parent \| context \| favorite \| on: Introducing Cloud Spanner, a Global Database Servi... How did you go from 10s of ms for an update for 2012 Spanner, to sub-ms update (best case) for Cloud Spanner according to Quizlet? Did TrueTime get an order of magnitude better? Or is Quizlet measuring the wrong thing?