Microservices Partial Failure Handling in Fan-Out Requests
Classify each fan-out dependency as required, optional, or best-effort, then design deadlines, response shapes, fallbacks, and retries around that contract.
13 min read
Tag
microservices
Joining Data Across Microservices: API Composition vs. Read Models
Learn when to join data across microservices at request time with API composition or ahead of time with CQRS read models, and what each costs to run.
16 min read
Event Driven vs Synchronous Microservices: Decide Per Interaction
A per-interaction test for choosing events or request-response: temporal coupling, outbox, idempotency, consistency, hybrids, and cost trade-offs.
13 min read
RabbitMQ vs Kafka vs NATS: Choosing a Broker for Microservices
Compare RabbitMQ, Kafka and NATS by delivery, retention, ordering and ops cost, and learn which broker fits job queues, event streaming and service messaging.
13 min read
Exponential Backoff with Jitter: Safe Retries Between Services
Why exponential backoff with jitter alone won't stop retry storms, and how retry budgets, single-layer retries and idempotency keys make retries safe.
13 min read
Event Schema Evolution: Versioning Microservice Messages Safely
Learn how event schema evolution works with Avro and Protobuf, which compatibility mode to pick, and how a schema registry and CI keep message versioning safe.
12 min read
GraphQL Federation: Composing a Supergraph Across Services
How GraphQL federation composes subgraph schemas into a supergraph, plans queries across services, and when its operational cost is worth paying.
13 min read
Strangler Fig Pattern: Routing Traffic Off a Legacy Monolith
How the strangler fig pattern works at the proxy layer: picking slices, routing rules, data ownership, parity checks, rollback, and finishing the migration.
14 min read
Pact Contract Testing for Microservices as a Deployment Gate
Learn how Pact consumer-driven contracts, provider verification, and the Pact Broker's can-i-deploy check catch breaking API changes before they ship.
13 min read
Circuit Breaker Pattern in Microservices: Timeouts, Retries, Limits
How cascading failures spread between services, and how to design timeouts, deadline propagation, retry budgets, bulkheads and circuit breakers together.
19 min read
gRPC Deadlines Error Handling: Status Codes and Propagation
Learn how gRPC deadlines propagate across services, how to choose and translate status codes, and how to retry safely without causing retry storms.
14 min read
Idempotency Keys in Microservices: Making Retries Safe End to End
Learn how to mint, propagate, and enforce idempotency keys across microservices so retries, redeliveries, and timeouts never cause duplicate side effects.
16 min read