Evolution of the Storage Engine for Spanner, an Exabyte-scale Database System

Speaker:

David Bacon

System:

Google Spanner

I'll describe the design of Spanner's new storage engine, Ressi, which replaced untyped sorted string tables (inherited from Bigtable) with a strongly typed SQL-native representation. Live migration of 6 exabytes of data and multiple billion-user products to the new engine posed unique challenges. Sound methodology from experimental computer science was the key to its success. The simplicity and power of... Read More