Topic
Optimistic Locking
Learn Optimistic Locking as a connected topic across chapters, concepts, simulations, and interview reasoning.
10 Concepts2 Articles47 min
Overview
Learn Optimistic Locking as a connected topic across chapters, concepts, simulations, and interview reasoning.
How this topic helps
Concurrency
Compare And Swap
Database
Databases
Learning Path in this Topic
Series that contain articles from Optimistic Locking. Select a path to filter the article list.
Articles
2 matched articles
Article 1Compare-and-Swap and Optimistic Locking: How Every Database Implements ItTLDR: Compare-and-Swap (CAS) is the CPU-level atomic instruction that makes lock-free concurrency possible. Optimistic locking builds on it at the database layer: read freely, compute locally, write o34 min
Article 2Types of Locks Explained: Optimistic vs. Pessimistic LockingTLDR: Pessimistic locking locks the record before editing — safe but slower under low contention. Optimistic locking checks for changes before saving using a version number — fast but can fail and req13 min