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The RED Method helps monitor microservices using Rate, Errors, and Duration metrics.

Distributed tracing helps track requests across microservices to find delays.

Correlation IDs help track requests in microservices for easier debugging.

Structured logging helps in quickly identifying issues by organizing log data consistently.

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

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

The Circuit Breaker pattern controls service calls to prevent failures from spreading.

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

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

A timeout indicates a deadline was exceeded, not necessarily a failure.

A Circuit Breaker helps prevent system failures by stopping calls to unhealthy services.

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

Database per Service ensures each microservice owns its data, reducing dependencies.

Choosing the right boundaries for microservices is crucial for effective architecture.

Microservices and modular monoliths differ mainly in deployment and communication methods.

Microservices are useful when you need independent scaling, deployment, and clear boundaries in software design.

Microservices can communicate using five key patterns based on their needs.

gRPC allows efficient communication between services using a structured request-response model.

Request-Response asks for a result, while Events notify that something has happened.

Protobuf schema evolution requires careful changes to avoid breaking existing clients.

Synchronous communication waits for a response, while asynchronous continues without waiting.

gRPC supports four communication patterns: Unary, Server Streaming, Client Streaming, and Bidirectional Streaming.

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

REST, RPC, and gRPC are different methods for communication in software systems.