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计算网格中基于负载平衡的调度模式
引用本文:徐洪智,黄天强,张彬连.计算网格中基于负载平衡的调度模式[J].吉首大学学报(自然科学版),2008,29(4):42-44.
作者姓名:徐洪智  黄天强  张彬连
作者单位:(吉首大学信息管理与工程学院,湖南 张家界 427000)
摘    要:对资源进行有效的管理和调度可以提高网格系统的利用率.针对计算网格中的负载平衡问题,为减少网络通信量,提出一种分布式的网格作业调度模型,并给出了其相关算法:将轻负载节点逐个收集到一个队列,并设定一个可调节的刷新时间,当重负载节点提出调度请求时,直接从轻载节点队列中取一轻载节点并把负载转移到该节点上,从而解决了资源调度中的负载平衡问题.

关 键 词:计算网格  负载  调度模式  

A Scheduling Pattern Based on Task-Balancing in Computational Grid
XU Hong-zhi,HUANG Tian-qiang,ZHANG Bin-lian.A Scheduling Pattern Based on Task-Balancing in Computational Grid[J].Journal of Jishou University(Natural Science Edition),2008,29(4):42-44.
Authors:XU Hong-zhi  HUANG Tian-qiang  ZHANG Bin-lian
Institution:(School of Information Management and Engineering,Jishou University,Zhangjiajie 427000,Hunan  China)
Abstract:Effective management and scheduling of resources can increase the utilization of grid system.For the issues of task-balancing in grid computing,in order to reduce the communication,a distributed scheduling pattern in grid is proposed,and the relevant algorithm is given.The algorithm collects each light load node to a queue,and sets an adjustable refresh time,when the heavy load nodes requests to schedule,the task will be transferred to the node which is taken out from the queue so as to solve the issues of task-balancing in grid.
Keywords:computational grid  task  scheduling pattern
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