k6 tutorial: captured traffic with mocked backends
Capture API traffic with Speedscale, export a k6 load scenario, and mock backend dependencies in Kubernetes with speedctl or locally with proxymock.
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Traffic mirroring in Kubernetes: Istio vs Speedscale
Compare Istio traffic mirroring with Speedscale replay in Kubernetes. Use capture, redaction, and dependency isolation for repeatable regression tests.
Top 14 Postman Alternatives for API Testing in 2026
A rebuilt 2026 guide to Postman alternatives. Which API clients are still maintained, what they cost, and which one fits local-first, gRPC, or team workflows.
Validate Spring Boot Upgrades with Traffic Replay
Spring Boot upgrades silently change JSON contracts and autoconfiguration. Use traffic replay to catch every regression before production.
Run Local LLMs on Mac to Cut Claude Costs
A practical hybrid workflow that uses costly LLM APIs for planning and local models (via Ollama + OpenCode) for execution, guarded by deterministic evals.
Replace API Synthetics with Traffic Replay
UI synthetics only tell you something is broken. Traffic replay per microservice isolates failures before any human walks up. Zero scripts required.
The 4 Golden Signals of Monitoring Explained
Learn the 4 golden signals — latency, traffic, errors, and saturation — and how to use them for monitoring, alerting, and pre-release testing.
Oracle JDK to OpenJDK: A Guide to Reliable Migration Testing
Record production traffic on Oracle JDK, replay it on OpenJDK, and catch every regression before users do. A step-by-step Speedscale guide.
6 Golang Testing Frameworks for Every Type of Test
What do good tests look like, and do you even need a Golang testing framework? It’s a loaded question with an open answer.
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