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The paper introduces a log‑structured file system (LFS) that writes all data sequentially to a log and uses a segment cleaner to reclaim space. In the Sprite LFS prototype, write throughput reaches 65‑75 % of raw disk bandwidth, an order of magnitude faster than Unix for small files, while reads remain comparable.
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Amazon Aurora is a cloud-native relational database that decouples compute from storage, offloading redo log processing to a purpose-built, multi-tenant storage service. This architecture significantly reduces network I/O, enables fast crash recovery, and provides high durability and availability through a novel 6-way replication quorum model.
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