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The Language of Compression

This presentation discusses each part of the durable storage stack, from the hardware on up, and how usage numbers can take on different meanings at each layer. It covers  what's important to know at each layer, and how to think about and talk about concepts like compression, fragmentation, write amplification, and wear leveling. Finally, it examines different ways benchmarketers present data deceptively, and provides some techniques for identifying and cutting through those kinds of misrepresentations.