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Web workload generation challenges - an empirical investigation

机译:Web工作负载生成挑战-实证研究

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摘要

Workload generators are widely used for testing the performance of Web-based systems. Typically, these tools are also used to collect measurements such as throughput and end-user response times that are often used to characterize the QoS provided by a system to its users. However, our study finds that Web workload generation is more difficult than it seems. In examining the popular RUBiS client generator, we found that reported response times could be grossly inaccurate, and that the generated workloads were less realistic than expected, causing server scalability to be incorrectly estimated. Using experimentation, we demonstrate how the Java virtual machine and the Java network library are the root causes of these issues. Our work serves as an example of how to verify the behavior of a Web workload generator.
机译:工作负载生成器被广泛用于测试基于Web的系统的性能。通常,这些工具还用于收集诸如吞吐量和最终用户响应时间之类的度量,这些度量通常用于表征系统向其用户提供的QoS。但是,我们的研究发现,Web工作负载的生成比看起来要困难得多。在检查流行的RUBiS客户端生成器时,我们发现报告的响应时间可能非常不准确,并且生成的工作负载不如预期的现实,导致服务器可伸缩性被错误地估计。通过实验,我们演示了Java虚拟机和Java网络库是这些问题的根本原因。我们的工作作为如何验证Web工作负载生成器行为的示例。

著录项

  • 来源
    《Software》 |2012年第5期|p.629-647|共19页
  • 作者单位

    Raoufehsadat Hashemian, Electrical and Computer Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada;

    The University of Calgary, Calgary, Alberta T2N 1N4, Canada;

    The University of Calgary, Calgary, Alberta T2N 1N4, Canada,HP Labs, Palo Alto, CA 94304, U.S.A.;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    workload generator; performance testing; benchmarking tools;

    机译:工作量生成器;性能测试;标杆工具;
  • 入库时间 2022-08-17 13:03:46

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