A system, computer program product, and computer-executable method of managing one or more tiers of memory of a host computing system, the system, computer program product, and computer-executable method including accessing a portion of raw data from a memory page associated with data stored on the one or more tiers of memory, sampling the portion of raw data to select a sample data, analyzing the sample data to determine a sample category, and classifying the portion of raw data based at least in part by considering the sample category.