NiuNiu MaTe

Sep 15, 2025 · Databases

How Redo Logs Safeguard Your Database: The Hidden ‘Airbag’ Behind Transaction Durability

This article explains how InnoDB's redo log works as a safety cushion, detailing its generation, buffering, flushing, circular storage, and recovery process to ensure transaction durability even when the database crashes unexpectedly.