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Fallbacks allow systems to handle failures safely and maintain user experience.

Cascading failures occur when one service's failure impacts others, causing widespread issues.

Partial failure means some services fail while others keep running, impacting system reliability.

Timeouts in distributed systems indicate suspicion, not confirmed failure.

The Bulkhead Pattern isolates resources to protect critical workloads from failures.

Distributed locks ensure only one server performs a task, avoiding duplication.

Message queues allow services to communicate asynchronously, improving scalability and reliability.

The Transactional Outbox Pattern ensures database updates and event publishing are synchronized to avoid losing events.

Distributed backpressure helps manage the flow of work between services to prevent overload.

FAANG engineers use high-level design principles to create scalable systems.

Message delivery semantics define how messages are sent in distributed systems and handle failures.

Service Discovery helps microservices locate each other dynamically without fixed IP addresses.

Choosing between a shared database and a database per service affects system design significantly.