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Spanner: Google's Globally-Distributed Database [PDF]

Abstract: Spanner is Google's scalable, multi-version, globally-distributed, and synchronously-replicated database. It is the first system to distribute data at global scale and support externally-consistent distributed transactions. This paper describes how Spanner is structured, its feature set, the rationale underlying various design decisions, and a novel time API that exposes clock uncertainty. This API and its implementation are critical to supporting external consistency and a variety of powerful features: non-blocking reads in the past, lock-free read-only transactions, and atomic schema changes, across all of Spanner.

To appear in:
OSDI'12: Tenth Symposium on Operating System Design and Implementation, Hollywood, CA, October, 2012.
database  distributed  google  papers  toread  pdf  scalability  distcomp  transactions  cap  consistency 
september 2012 by jm

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