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Observing the Consistency of Distributed Systems

Deepthi Akkoorath, Viktoria Fordos, Annette Bieniusa

Erlang 2016, Proceedings of the 15th International Workshop on Erlang , ACM SIGPLAN
Nara, Japan September 2016

In distributed Erlang systems temporary network issues are very likely; and can affect the consistency of the system. If the system is a distributed data store relying on a weak consistency model, its data stored may diverge as a result of connectivity issues. Even worse, there is no indicator of the divergence. In this paper we present our initial work on divergence metrics and give a preliminary evaluation on exposing divergence to the system operator.

Keywords : Data store, weak consistency, divergence metrics

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