Black Friday Promotion

January 20, 2023

• Completed migrating and separating Order service to Promotion and Order microservices for Black Friday project, peak load shifting to deal with high concurrency scenarios by Redis and RocketMQ.
• Implemented cache preheating, lock inventory and purchase limit functions by Redis with Lua script.
• Optimization query and update by MySQL optimistic locking.
• Released the stress of Order service by asynchronously creating orders by RocketMQ.
• Implemented check order status, and cancel orders by RocketMQ delay message queue.

Show project