Serializability, not Serial: Concurrency Control and Availability in Multi-Datacenter Datastores

Provided by: VLD Digital
Topic: Data Centers
Format: PDF
The authors present a framework for concurrency control and availability in multi-datacenter datastores. While they consider Google's Megastore as their motivating example, they define general abstractions for key components, making their solution extensible to any system that satisfies the abstraction properties. They first develop and analyze a transaction management and replication protocol based on a straightforward implementation of the Paxos algorithm. Their investigation reveals that this protocol acts as a concurrency prevention mechanism rather than a concurrency control mechanism.

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