云存储服务:一致性模型

D. Terry
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引用次数: 0

摘要

只提供摘要形式。云存储系统总是复制数据以实现高可用性和低延迟访问。应用程序设计人员以及云提供商必须在一致性、性能和可用性之间进行权衡。一些云服务为其客户提供强大的数据一致性,而其他云服务则选择最终一致性。越来越多的系统在读取共享数据时提供一致性选择。本次演讲将探讨这种选择的含义,并探讨可以(也许应该)在云中提供的更广泛的一致性保证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cloud Storage Services: A Model of (In)Consistency
Summary form only given. Cloud storage systems invariably replicate data for high availability and low latency access. Application designers, as well as cloud providers, must deal with trade-offs between consistency, performance, and availability. Some cloud services provide strong data consistency to their clients while others have chosen eventual consistency. Increasingly, systems are offering a choice of consistency when reading shared data. This talk examines the implications of such a choice and explores a broader class of consistency guarantees that can, and perhaps should, be provided within the cloud.
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