Kubernetes Pod Disruption Budget Guide: Safe Node Drains and Upgrades
Learn how a Kubernetes pod disruption budget works with the Eviction API, why PDBs block or fail drains, and how to design safe cluster upgrades.
13 min read
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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
Spring Modulith Tutorial: Enforcing Module Boundaries in Java
Learn how Spring Modulith infers modules, fails builds on boundary violations, and decouples modules with transactional application events in a Java monolith.
13 min read
Cursor vs Offset Pagination Performance in PostgreSQL APIs
Why OFFSET cost grows with page depth in PostgreSQL, how keyset pagination keeps it flat, and when each fits your API under real load.
13 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
Nx Atomizer for E2E: Split Slow Test Suites Across CI Agents
Learn how Nx Atomizer splits e2e suites into per-file tasks, how to enable it with Playwright, and when task splitting actually speeds up CI.
12 min read
Kubernetes HPA Custom Metrics: Prometheus Adapter vs KEDA
Learn how the HPA reads custom metrics, choose a metric that tracks per-pod load, and build the pipeline with Prometheus Adapter or KEDA.
18 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