Skip to content

SystemDesign0ver

Where to start

NetworkingHow components communicate over a network, from a single request to many servers around the world.
DatabasesWhat shape to give data and where to keep it, from relational tables to documents, wide-column, graph, search, and vector stores.
TransactionsHow a database keeps data correct under concurrent access and crashes on one node, from atomic writes to isolation levels, locks, and retries.

SystemDesign0ver

FrameworkPlanned
Fundamentals
- Networking
- Storage engines
- Databases
- Transactions
- Replication
- Sharding
- Consistency
- Caching
- MessagingPlanned
- ObservabilityPlanned
Patterns
- Reservations
- ResiliencePlanned
- Rate LimitingPlanned
- Distributed LocksPlanned
- Async ProcessingPlanned
- SagasPlanned
- Job SchedulingPlanned
Technologies
- PostgreSQL
- Redis
- KafkaPlanned
Systems
- URL ShortenerPlanned
Glossary

SystemDesign0ver

System design materials for interview preparation.

© 2026 Grig Alex · CC BY-SA 4.0