System Design

A set of notes around system design concepts.

• Summaries of core concepts

Core concepts

• Caching
• Networking
• CAP Theorem
• Consistent Hashing / Sharding
• Database Indexing

Patterns

• Real-time updates
• Dealing with Contention
• Multi-step processes
• Scaling reads
• Scaling writes
• Handling large blobs
• Managing long running tasks

Key technologies

• Redis
• PostgreSQL
• DynamoDB
• Amazon S3
• Elasticsearch
• AWS API Gateway
• AWS Elastic Load Balancer
• Kafka
• Flink
• Zookeeper

Problems List

• URL Shortener
• Dropbox/Google Drive

Resources

• Hello Interview: detailed notes/videos on core frameworks, solutions to classic problems, and mock interviews!

• Alex Xu, System Design Interview (Volume I/II)