Spanner, TrueTime & The CAP Theorem

Spanner is Google’s highly available global SQL database [CDE+12]. It manages replicated data at great
scale, both in terms of size of data and volume of transactions. It assigns globally consistent real-time
timestamps to every datum written to it, and clients can do globally consistent reads across the entire
database without locking.

Source: https://cloud.google.com/spanner/docs/whitepapers/SpannerAndCap.pdf

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