Tencent Database Technology
Aug 15, 2019 · Databases
Understanding InnoDB MVCC, Undo Logs, ReadView, and Purge Mechanisms
This article explains InnoDB's Multi-Version Concurrency Control (MVCC) architecture, detailing row formats, undo log types, ReadView visibility rules, purge processes, and related concepts such as semi-consistent reads and index condition pushdown, with code examples and diagrams illustrating each mechanism.
InnoDBMVCCPurge
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