Proceedings of Usits '03: 4th Usenix Symposium on Internet Technologies and Systems Model-based Resource Provisioning in a Web Service Utility
Proceedings of Usits '03: 4th Usenix Symposium on Internet Technologies and Systems Model-based Resource Provisioning in a Web Service Utility
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发表时间：
2003
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通讯作者：
Ronald P. Doyle;J. Chase;O. Asad;Wei Jin;Amin Vahdat
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作者：
Ronald P. Doyle;J. Chase;O. Asad;Wei Jin;Amin Vahdat
Internet服务实用程序在共享服务器群集上托管多个服务器应用程序。这些系统面临的一个关键挑战是按需提供共享资源，以满足服务质量目标的最低成本。本文提出了一种新的方法，公用事业资源管理集中在协调供应的内存和存储资源。我们的方法是基于模型的：它结合了服务行为的内部模型，以预测在变化的负载下候选资源分配的值。基于模型的方法使系统能够实现重要的资源管理目标，包括差异化的服务质量、性能隔离、存储软件缓存以及主动分配剩余资源以满足性能目标。原型的实验结果表明，基于模型的动态配置与静态内容的Web工作负载下。
Internet service utilities host multiple server applications on a shared server cluster. A key challenge for these systems is to provision shared resources on demand to meet service quality targets at least cost. This paper presents a new approach to utility resource management focusing on coordinated provisioning of memory and storage resources. Our approach is model-based: it incorporates internal models of service behavior to predict the value of candidate resource allotments under changing load. The model-based approach enables the system to achieve important resource management goals, including differentiated service quality, performance isolation, storageaware caching, and proactive allocation of surplus resources to meet performance goals. Experimental results with a prototype demonstrate model-based dynamic provisioning under Web workloads with static content.