Alexander Lloyd

TL;DR: Megastore provides fully serializable ACID semantics within ne-grained partitions of data, which allows us to synchronously replicate each write across a wide area network with reasonable latency and support seamless failover between datacenters.

TL;DR: Spanner as mentioned in this paper is Google's scalable, multiversion, globally distributed, and synchronously replicated database, which is the first system to distribute data at global scale and support externally-consistent distributed transactions.

TL;DR: In this article, the authors propose a method to read and write data from a database table, where each non-key column has one or more column values, and each column value has an associated timestamp that identifies when the column value was stored.

TL;DR: Paxos transactions are pipelined in a distributed database formed by a plurality of replica servers as discussed by the authors, and a leader server is selected by consensus of the replicas, and receives a lock on leadership for an epoch.