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LOCALITY-AWARE, MEMORY-EFFICIENT, TIME-EFFICIENT HOT DATA IDENTIFICATION USING COUNT-MIN-SKETCH FOR FLASH OR STREAMING APPLICATIONS
LOCALITY-AWARE, MEMORY-EFFICIENT, TIME-EFFICIENT HOT DATA IDENTIFICATION USING COUNT-MIN-SKETCH FOR FLASH OR STREAMING APPLICATIONS
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机译:使用针对闪存或流媒体应用程序的最小记号识别本地存储,内存高效,时间高效的热数据
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摘要
Extents of data are promoted or demoted between hierarchical storage tiers based on temporal locality of access captured with a primary count-min-sketch based on monitored input-output commands. Extents may also be promoted based on spatial locality of access captured with a secondary count-min-sketch based on the monitored input-output commands. The count-min-sketches may be implemented in a tiering engine of a storage array or in the flash translation layers of solid-state drives. The flash translation layers may generate tiering hints that are provided to a tiering engine.
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