web服务器软件体系结构的性能与可靠性分析

S. Gokhale, Paul J. Vandal, Jijun Lu
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引用次数: 19

摘要

我们越来越依赖现代Web服务器提供的信息和服务,这就要求这些服务必须具有卓越的性能和可靠性。Web服务器的体系结构对其性能和可靠性有着深远的影响。用于描述Web服务器体系结构特征的一个维度是服务器中使用的处理模型,它描述了用于支持Web服务器操作的流程或线程模型的类型。处理模型的主要选项是基于流程、基于线程或基于流程和基于线程模型的混合。这些选项在性能和可靠性权衡方面具有独特的优点和缺点。本文提出了一种基于随机奖励网(SRN)建模范式的分析方法,用于量化基于进程和基于线程的Web服务器软件体系结构的性能和可靠性权衡。我们用几个例子证明了该方法促进系统定量权衡的能力
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance and Reliability Analysis ofWeb Server Software Architectures
Our increasing reliance on the information and services provided by modern Web servers mandates that these services be offered with superior performance and reliability. The architecture of a Web server has a profound impact on its performance and reliability. One of the dimensions used to characterize the architecture of a Web server is the processing model employed in the server, which describes the type of process or threading model used to support a Web server operation. The main options for a processing model are process-based, thread-based or a hybrid of the process-based and the thread-based models. These options have unique advantages and disadvantages in terms of their performance and reliability tradeoffs. In this paper we propose an analysis methodology based on the stochastic reward net (SRN) modeling paradigm to quantify the performance and the reliability tradeoffs in the process-based and the thread-based Web server software architectures. We demonstrate the capability of the methodology to facilitate systematic, quantitative tradeoffs using several examples
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