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A Solution to Hot Spots of Storage System Based on Data Migration
Author(s): 
Pages: 45-47,100
Year: Issue:  2
Journal: APPLICATION RESEARCH OF COMPUTERS

Keyword:  热点负载均衡RAID组NP完全问题0-1背包问题;
Abstract: 针对存储系统中由于访问集中等原因引起系统性能下降的热点问题,提出了一种基于数据迁移的解决算法.通过对存储系统访问频率的统计以及迁移算法确定数据迁移的源地址和目标地址,通过迁移来消除热点.并通过模拟的环境和实验,结果表明算法有效地消除了系统出现的热点,并在一定程度均衡了负载,提高了系统性能.
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