Reading Dubbo Source Code - 1. Setup the Environment and Run Demo
An upward trend ID generation service
- 1. First question - why do we need a sequential ID instead of a random UUID?
- 2. Requirement:
- 3. Solution 1: DB atomic update
- 4. Solution2: Redis INCRBY
- 5. Solution3: Time-based on-host generation.
- 6. Conclusion
Idempotency of a PUT Request
Design Twitter - 1: Requirement and Storage Selection