iQIYI Technical Product Team
May 22, 2020 · Databases
Understanding MySQL Binlog, Redo Log, and Two‑Phase Commit for Event‑Driven Order Processing
The article explains how iQIYI’s order system leverages MySQL binlog and redo log with a two‑phase commit to drive event‑driven processing, reveals hidden consistency gaps where binlog events can precede database state, and proposes retry or direct binlog consumption strategies to ensure reliable order fulfillment.
DatabaseEventDrivenRedoLog
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