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数据分级策略是实现分级存储的关键环节,该论文分析了现行常用的两种基于数据访问频度的分级策略,并提出了一种新的自适应分级策略。通过实际对比,新策略在分级效果和速度上都有所提高。
The data classification strategy is the key to realize the hierarchical storage. This paper analyzes two commonly used classification strategies based on data access frequency and proposes a new adaptive classification strategy. Through the actual comparison, the new strategy has been improved in the classification effect and speed.