erlang-riak_ensemble

A consensus library that supports creating multiple consensus groups (ensembles). Each ensemble is a separate Multi-Paxos instance with its own leader, set of members, and state. Each ensemble also supports an extended API that provides consistent key/value operations. Conceptually, this is identical to treating each key as a separate Paxos entity. However, this isn't accomplished by having each key maintain its own Paxos group. Instead, an ensemble emulates per-key consensus through a combination of per-key and per-ensemble state.

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