Target

1. Design of large-scale distributed website architecture 2. Master distributed system middleware, distributed framework spring cloud, dubbo 3. Master the analysis and processing of streaming data and offline big data 4. Business system abstraction and decoupling, orthogonality 5. Distributed system consistency, high availability, high concurrency, partition tolerance6. System degradation, current limiting, service isolation 9. Thread pool, timed tasks, cache and other frameworks 10. Open source code learning 11. Database data synchronization 12. Search framework learning