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C-MART: Benchmarking the Cloud

机译:C-MART:基准化云计算

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摘要

Cloud computing environments provide on-demand resource provisioning, allowing applications to elastically scale. However, application benchmarks currently being used to test cloud management systems are not designed for this purpose. This results in resource underprovisioning and quality-of-service (QoS) violations when systems tested using these benchmarks are deployed in production environments. We present C-MART, a benchmark designed to emulate a modern web application running in a cloud computing environment. It is designed using the cloud computing paradigm of elastic scalability at every application tier and utilizes modern web-based technologies such as HTML5, AJAX, jQuery, and SQLite. C-MART consists of a web application, client emulator, deployment server, and scaling API. The deployment server automatically deploys and configures the test environment in orders of magnitude less time than current benchmarks. The scaling API allows users to define and provision their own customized datacenter. The client emulator generates the web workload for the application by emulating complex and varied client behaviors, including decisions based on page content and prior history. We show that C-MART can detect problems in management systems that previous benchmarks fail to identify, such as an increase from 4.4 to 50 percent error in predicting server CPU utilization and resource underprovisioning in 22 percent of QoS measurements.
机译:云计算环境提供按需资源调配,从而允许应用程序灵活扩展。但是,当前用于测试云管理系统的应用程序基准不是为此目的而设计的。当使用这些基准测试的系统部署在生产环境中时,这会导致资源配置不足和服务质量(QoS)违规。我们介绍C-MART,该基准旨在模拟在云计算环境中运行的现代Web应用程序。它是在每个应用程序层使用具有弹性可伸缩性的云计算范例设计的,并利用了基于HTML5,AJAX,jQuery和SQLite的现代基于Web的技术。 C-MART由Web应用程序,客户端仿真器,部署服务器和扩展API组成。部署服务器自动部署和配置测试环境的时间比当前基准测试时间短几个数量级。扩展API允许用户定义和配置自己的自定义数据中心。客户端仿真器通过仿真复杂多样的客户端行为(包括基于页面内容和先前历史的决策)来为应用程序生成Web工作负载。我们表明,C-MART可以检测到以前基准测试无法识别的管理系统中的问题,例如在22%的QoS测量中,预测服务器CPU利用率和资源配置不足的错误从4.4%增加到50%。

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