≡ System Design

Things to study practically:

• Database concepts - indexing, sharding, partitioning, replication, CDC.
• Redis concepts - available commands.
• Queuing system concepts.
• Load balancers / auto scaling.
• Batch processing - spark.
• Stream processing - flink.

Things to do in system design interview:

• Coming up with a system design diagram.
• Thinking about API contracts.
• Thinking about database design.
• Thinking about failure cases / retry cases / bottlenecks.
• Thinking about observability and alerting.
• Protecting service - rate-limiting / throttling.