Youzan Coder
May 20, 2020 · Backend Development
Real-Time Loss Prevention System: Architecture and Implementation at YouZan
YouZan’s real‑time loss‑prevention platform monitors database binlogs, transforms and verifies transaction data across five loosely coupled layers, handling 200 million daily messages and 60 million checks with dynamic sharding, caching and distributed locks to detect over‑charges, duplicate refunds, migration inconsistencies and unauthorized data changes.
HBaseSharding Strategybinlog monitoring
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