Graceful Degradation in Microservices: Designing Fallbacks That Work
Learn how to classify dependencies, choose fallback responses, signal degraded results, and wire timeouts, retries and circuit breakers in microservices.
13 min read
Category
Microservices
Service boundaries, communication, data ownership and the operational reality of distributed systems.
Redis Pub/Sub vs Streams for Service-to-Service Messaging
Compare Redis Pub/Sub and Streams: delivery semantics, consumer groups, durability limits, crash recovery, and when each fits service-to-service messaging.
14 min read
Distributed Lock Redis vs Postgres: Redlock, Advisory Locks, Fencing
Compare Redis Redlock and PostgreSQL advisory locks, learn why lease-based locks fail, and when fencing tokens are required for correctness.
14 min read
Bulkhead Pattern in Microservices: Sizing Thread and Connection Pools
Learn how to design bulkheads in microservices as a capacity-planning exercise: isolate thread pools and connections, size them with Little's Law, and verify.
12 min read
CQRS Read Model Microservices: Building Cross-Service Query Views
Build CQRS read models across microservices: event design, idempotent projection, ordering, outbox vs CDC, rebuilds, staleness and when to avoid it.
14 min read
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
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
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