Aikesheng Open Source Community
Feb 14, 2020 · Databases
Understanding MySQL Adaptive Hash Index (AHI): Construction, Operation, and Maintenance
This article explains how MySQL's Adaptive Hash Index (AHI) works, why it is needed to reduce B‑tree lookup costs, the three stages of building an AHI, practical examples of its construction, performance benefits, and operational recommendations for managing AHI in production environments.
AHIAdaptive Hash IndexDatabase Optimization
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