CAnDoR: Consistency Aware Dynamic data Replication

Abstract : Data management has become crucial. Distributed applications and users manipulate large amounts of data. More and more distributed data management solutions arise, e.g. Casandra or Cosmos DB. Some of them propose multiple consistency protocols. Thus, for each piece of data, the developer or the user can choose a consistency protocol adapted to his needs. In this paper we explain why taking the consistency protocol into account is important while replication (especially placing) pieces of data; and we propose CAnDoR, an approach that dynamically adapts the replication according to the data usage (read/write frequencies and locations) and the consistency protocol used to manage the piece of data. Our simulations show that using CAnDoR to place and move data copies can improve the global average access latency by up to 40%.
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Submitted on : Thursday, August 29, 2019 - 3:38:43 PM
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Etienne Mauffret, Flavien Vernier, Sébastien Monnet. CAnDoR: Consistency Aware Dynamic data Replication. IEEE International Symposium on Network Computing and Applications (NCA 2019), Sep 2019, Cambridge, United States. ⟨hal-02274165⟩

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