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Dynamic Load-Balance Strategy based on Software Aging in Web Server Cluster System

机译：Web服务器集群系统中基于软件老化的动态负载均衡策略

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摘要

Many studies reported that servers become aging after running a long time and the efficiency of server cluster system will degrade. This paper mainly focuses on modeling and analysis of dynamic load balance strategy adding software aging parameter into dynamic load balance strategy. Adding software aging into load balance strategy is proposed for the first time in this paper. A software aging algorithm based on robust locally weighted regression (Loess) is deployed to estimate aging trend and the threshold point used to compute software aging parameter. Experiments verify the effectiveness of the algorithm presented in this paper. The conclusions drawn from this paper will greatly benefit the application of software rejuvenation technique into load balance strategy, that is, it makes it easy to determine when to perform software rejuvenation in a server before it reaches the downtime. The results for the cluster system show that performance of the cluster can be effectively improved.
机译：许多研究报告说，服务器在长时间运行后会老化，并且服务器群集系统的效率将下降。本文主要针对动态负载均衡策略的建模和分析，将软件老化参数添加到动态负载均衡策略中。本文首次提出将软件老化添加到负载平衡策略中。部署了基于鲁棒局部加权回归（Loess）的软件老化算法，以估计老化趋势和用于计算软件老化参数的阈值点。实验证明了该算法的有效性。本文得出的结论将极大地有利于软件更新技术在负载均衡策略中的应用，即，可以轻松确定何时在服务器停机之前在服务器中执行软件更新。集群系统的结果表明，可以有效地提高集群的性能。

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  • 来源
  • 会议地点 Sanya(CN);Sanya(CN)
  • 作者

    Haoran Li; Jun Guo; Yunsheng Wang; Weiyue Li; Zhangbin;

  • 作者单位

    College of Information Science and Engineering, Northeastern University, Shenyang, China.rnPostalcode 110004;

    College of Information Science and Engineering, Northeastern University, Shenyang, China.rnPostalcode 110004;

    College of Information Science and Engineering, Northeastern University, Shenyang, China.rnPostalcode 110004;

    College of Information Science and Engineering, Northeastern University, Shenyang, China.rnPostalcode 110004;

    College of Information Science and Engineering, Northeastern University, Shenyang, China.rnPostalcode 110004;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 一般性问题;
  • 关键词

    Software aging; Dynamic load balance strategy; Robust locally weighted regression;

    机译：软件老化；动态负载平衡策略；稳健的局部加权回归;

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