Spanner: Google’s Globally-Distributed Database
Today I would like to talk about Spanner, a NewSQL distributed relational database by Google. It can distribute and store data in data centers across the world, provide consistency that is as excellent as in RDBMS while enabling to store an amount of data that exceeds the capacity of a single data center. In this article I will briefly explain when the NewSQL trend has begun, then will introduce Spanner, its features and architecture, how it performs data distribution and rebalancing, how it actually stores the data, and finally how it provides data consistency. You will also learn about Google's TrueTime API which is at the core of Spanner distributed relational database.
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