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arXiv 1107.5645cs.ITcs.DCmath.IT
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考虑维修的分布式存储系统存储费用最小化

Minimization of Storage Cost in Distributed Storage Systems with Repair Consideration

Quan Yu, Kenneth W. Shum, Chi Wan Sung

摘要:

在分布式存储系统中,不同存储节点的存储成本通常可以不同。研究了如何在给定的存储节点集合中存储文件,以使总存储开销最小。通过分析信息流图的最小割约束,确定节点存储容量的可行域。然后,存储成本最小化可以简化为线性规划问题,该问题可以容易地求解。此外,存储成本和修复带宽之间的权衡建立。

英文摘要:

In a distributed storage system, the storage costs of different storage nodes, in general, can be different. How to store a file in a given set of storage nodes so as to minimize the total storage cost is investigated. By analyzing the min-cut constraints of the information flow graph, the feasible region of the storage capacities of the nodes can be determined. The storage cost minimization can then be reduced to a linear programming problem, which can be readily solved. Moreover, the tradeoff between storage cost and repair-bandwidth is established.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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