Improving storage efficiency in Magic Pocket, our immutable blob store

发生了什么

Magic Pocket is the core Dropbox storage system—a custom-built, exabyte-scale blob storage system designed for durability, availability, scale, and efficiency. It holds user content, which means it must be safe, fast, and cost-effective to scale with the company. For Dropbox, storage efficiency really matters. We measure it by looking at how much total disk space we use compared to how much user data we’re actually…

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