LSM Trees vs B-Trees: How Storage Engines Choose Their Data Structure

The article compares B-Trees and LSM Trees, highlighting their trade-offs in write amplification, read latency, and disk seek patterns. Developers should choose B-Trees for high-read workloads and random writes, while LSM Trees are better suited for high-write scenarios with sequential writes, especially on SSDs. This comparison helps engineering teams select the appropriate persistence layer based on workload characteristics.

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