Coco Moon | Distributed Systems & AI Infrastructure http://www.cocomoon-tech.com//blog Providing specialized software development and technical consulting services, focusing on high-performance distributed systems, real-time data infrastructure, and AI-driven data processing solutions for global clients. en-us admin@cocomoon-tech.com (Charles Chen) admin@cocomoon-tech.com (Charles Chen) Wed, 15 Apr 2026 00:00:00 GMT http://www.cocomoon-tech.com//blog/primarykey-duplicate-ckpt 🚨 Checkpoint 连环案：一条 Duplicate Entry 引发的快照血案 http://www.cocomoon-tech.com//blog/primarykey-duplicate-ckpt 解耦逻辑模型与物理模型 Wed, 15 Apr 2026 00:00:00 GMT admin@cocomoon-tech.com (Charles Chen) primarykeyflinkckptExactly-Once