探讨计算机系统中文件的多副本文件分配模型

ACM-SE 17 Pub Date : 1979-04-09 DOI:10.1145/503506.503515
L. G. Jones, D. Foster
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引用次数: 1

摘要

在计算机系统存储设备之间放置文件会对系统性能产生重大影响。在这里,我们提出了一种方法来表示读写文件的多个副本,这种方法考虑了更新所涉及的开销。然后,我们提出了一种解决读写文件无多副本情况下的文件分配问题的方法。该技术将系统分析为一个队列网络,并通过整数编程将文件分配给设备。就CPU吞吐量而言,最终的文件分配是最优的。
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Toward a multiple copy file assignment model for files in a computer system
The placement of files among computer system storage devices can have a significant impact on system performance. Here we present a method to represent multiple copies of read-write files that accounts for the overhead involved in updates. We then present a solution technique for the file assignment problem for the case of read-write files without multiple copies. The technique analyzes the system as a network of queues and assigns files to devices by integer programming. The resultant file assignment is optimal with respect to CPU throughput.
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