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Google Spanner does the three.

• erik_seaberg 5y ago
  > The purist answer is “no” because partitions can happen and in fact have happened at Google, and during some partitions, Spanner chooses C and forfeits A. It is technically a CP system. — https://cloud.google.com/blog/products/databases/inside-cloud-spanner-and-the-cap-theorem https://cloud.google.com/blog/products/databases/inside-clou...