Fine-Grained Consistency Upgrades for Online Services

Filipe Freitas, J. Leitao, Nuno M. Preguiça, R. Rodrigues
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引用次数: 2

Abstract

Online services such as Facebook or Twitter have public APIs to enable an easy integration of these services with third party applications. However, the developers who design these applications have no information about the consistency provided by these services, which exacerbates the complexity of reasoning about the semantics of the applications they are developing. In this paper, we show that is possible to deploy a transparent middleware between the application and the service, which enables a fine-grained control over the session guarantees that comprise the consistency semantics provided by these APIs, without having to gain access to the implementation of the underlying services. We evaluated our middleware using the Facebook public API and the Redis datastore, and our results show that we are able to provide fine-grained control of the consistency semantics incurring in a small local storage and modest latency overhead.
在线服务的细粒度一致性升级
诸如Facebook或Twitter之类的在线服务具有公共api,可以轻松地将这些服务与第三方应用程序集成在一起。然而,设计这些应用程序的开发人员没有关于这些服务提供的一致性的信息,这加剧了他们正在开发的应用程序的语义推理的复杂性。在本文中,我们展示了在应用程序和服务之间部署透明中间件的可能性,它支持对包含这些api提供的一致性语义的会话保证进行细粒度控制,而无需访问底层服务的实现。我们使用Facebook公共API和Redis数据存储评估了我们的中间件,结果表明我们能够在小的本地存储和适度的延迟开销中提供对一致性语义的细粒度控制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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