「Designing Data-Intensive Applications」Chapter 3

Storage and Retrieval Data Structures That Power Your Database An index is an additional structure that is derived from the primary data. An important trade-off in storage systems: well-chosen indexes speed up read queries, but every index slows down writes. Hash Indexes Keep an in-memory hash map where every key is mapped to a byte … Continue reading "「Designing Data-Intensive Applications」Chapter 3"

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