Optimistic Locking
Assumes multiple transactions can complete without conflict and only checks for conflicts at commit time. Uses version numbers to detect stale updates.
Optimistic Locking: Check Before You Write
Why assuming no conflict — and verifying it at write time — scales better than locking everything.
Optimistic Locking in Production: MVCC and Retries
How databases implement it (MVCC), retry design, and version schemes that scale.
Advanced Optimistic Locking: Conflict-Free Alternatives
When optimistic locking is not enough, and CRDTs/conditionals that avoid conflicts entirely.
Optimistic Locking: Review & Mastery Quiz
Scenario questions on versions, MVCC, and conflict resolution.
Free Books & Guides
Official Documentation
Video Courses
Optimistic Locking — Explained (YouTube)
A video explanation of the Optimistic Locking principle with practical examples.
freeCodeCamp — Software Architecture Course
A comprehensive course covering software architecture principles, patterns, and best practices.
ByteByteGo — Distributed Systems
High-quality animated explanations of system design principles, distributed systems, and architecture patterns.