• Reading Group Special Session: Fast General Purpose Transactions in Apache Cassandra



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    Modern distributed databases employ leader-based consensus protocols to achieve consistency, entailing certain trade-offs: typically either a scalability bottleneck or weak isolation. Leaderless protocols have been proposed to address these and other shortcomings of leader-based techniques, but these have not yet materialized into production systems.  This paper outlines compromises entailed by existing leaderless protocols versus leader-based…

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