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首页> 外文期刊>ACM Transactions on Modeling and Computer Simulation >The Impact of Service Demand Variability on Resource Allocation Strategies in a Grid System
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The Impact of Service Demand Variability on Resource Allocation Strategies in a Grid System

机译:网格系统中服务需求可变性对资源分配策略的影响

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摘要

Scheduling and resource management play an important role in building complex distributed systems, such as grids. In this article we study the impact on performance of job service demand variability in a two-level grid architecture, given that the grid and local schedulers are unaware of each job's service demand. We examine two scheduling policies at grid level, which utilize site load information and three policies at local level. A simulation model is used to evaluate performance. Results show that service demand variability degrades performance, and thus a suitable local resource allocation policy is needed to reduce its impact.
机译:调度和资源管理在构建复杂的分布式系统(例如网格)中起着重要作用。在本文中,由于网格和本地调度程序不了解每个作业的服务需求,因此我们研究了两级网格体系结构对作业服务需求可变性性能的影响。我们在网格级别检查了两个调度策略,这些策略利用了站点负载信息,而在本地级别检查了三个策略。仿真模型用于评估性能。结果表明,服务需求可变性会降低性能,因此需要适当的本地资源分配策略来减少其影响。

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