Data Consistency Properties and the Trade-offs in Commercial Cloud Storages: the Consumers' Perspective

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Wada, Hiroshi; Fekete, Alan; Zhao, Liang; Lee, Kevin; Liu, Anna


2011-01-09


Conference Material


Proceedings of the 5th Biennial Conference on Innovative Data Systems Research (CIDR '11)


Asilomar, California USA


134-143


A new class of data storage systems, called NoSQL (Not Only SQL), have emerged to complement traditional database systems, with rejection of general ACID transactions as one common feature. Different platforms, and indeed different primitives within one NoSQL platform, can offer various consistency properties, from Eventual Consistency to single-entity ACID. For the platform provider, weaker consistency should allow better availability, lower latency, and other benefits. This paper investigates what consumers observe of the consistency and performance properties of various offerings. We find that many platforms seem in practice to offer more consistency than they promise; we also find cases where the platform offers consumers a choice between stronger and weaker consistency, but there is no observed benefit from accepting weaker consistency properties.


Database, Cloud Computing, Eventual Consistency, Data Consistency


http://www.cidrdb.org/cidr2011/


This article is published under a Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits distribution and reproduction in any medium as well allowing derivative works, provided that you attribute the original work to the author(s) and CIDR 2011. CIDR'11 Asilomar, California, January 2011


nicta:4341


Wada, Hiroshi; Fekete, Alan; Zhao, Liang; Lee, Kevin; Liu, Anna. Data Consistency Properties and the Trade-offs in Commercial Cloud Storages: the Consumers' Perspective. In: Proceedings of the 5th Biennial Conference on Innovative Data Systems Research (CIDR '11); Asilomar, California USA. 2011-01-09. 134-143. http://hdl.handle.net/102.100.100/105221?index=1



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