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Pattern Catalyst Blog
Field notes mined from our workshops, tutorials, and reference builds.
Latest posts
Field notes mined from the workshops, tutorials, and reference builds.
| Post | Date | Category | Tags |
|---|---|---|---|
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Who Knows the Sequence? Three Ways to Coordinate an Order Saga in Quarkus An order places, a payment captures, a shipment dispatches. Who decides that order? Kafka choreography, a Camel route, and a Quarkus Flow document each answe... |
cloud-native | quarkus kafka camel orchestration | |
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Leave the Toolchain Behind: A C++ Service in 26 MB Instead of 689 A 4 MB C++ binary routinely ships inside a 689 MB image. The fix isn't to shrink the toolchain, it's to leave it behind. Multi-stage builds plus the right UB... |
cloud-native | cpp containers multi-stage-build ubi | |
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Cardinality, Not Instrumentation, Is What Makes Observability Expensive A metric isn't one number, it's a family of time series, one per unique label combination. Add a single unbounded label and a cheap counter becomes a six-fig... |
observability | observability opentelemetry cardinality cost | |
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L7 Routing Is a Four-Layer Decision Chain, Not an Appliance in a Rack In 2026, L7 routing is no longer a box in a rack. It is layered software (edge, gateway, mesh, app) that decides on every HTTP and gRPC envelope, and the lay... |
cloud-native | cloud-native l7-routing kubernetes api-gateway |