Using k6 Thresholds to Automate SLA Validation in Load Tests
Learn how k6 thresholds let you embed SLA rules directly into load‑test scripts, automate PASS/FAIL decisions, and gate CI/CD pipelines with clear exit codes.
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k6Designing Around k6's Virtual User Model: When One Generator Is Enough
k6 runs each Virtual User in its own Goja runtime on a goroutine — great for I/O-bound load, dangerous for CPU-heavy scripts. An architecture note on sizing one generator correctly and knowing when to split.
Using Gatling CSV Feeders to Drive Realistic Load Tests
Learn how to load dynamic data from a CSV file into Gatling simulations, choose the right feeder strategy, and verify the behavior without risking memory overload.
gatlingGatling's Open vs Closed Injection Model: The Choice That Changes What Your Test Proves
Closed-model injection hides saturation behind polite virtual users. Here is how Gatling's open and closed steps differ, and how to pick one deliberately.
Composing Realistic Load Profiles with k6 Scenarios and Executors
Learn how to compose realistic, multi-protocol load profiles in a single k6 script using scenarios and executors. Includes a worked example with HTTP, WebSocket, and gRPC flows, plus trade-offs like arrival-rate overshoot and graceful-stop cutoffs.
Controlled‑Rate Load Testing with Gatling Feeders and constantUsersPerSec
Learn how to combine Gatling’s CSV feeder with a constantUsersPerSec injection profile to run a steady‑rate load test, including setup, execution checks, and practical limitations.
Using Gatling’s CSV Feeder to Drive Real‑World Load Tests
Learn how Gatling’s CSV feeder injects real data into virtual users, enabling realistic load tests. The article covers setup, usage, debugging, trade‑offs, and a step‑by‑step example.
Parameterizing Gatling Load Tests with Feeders: A Practical Guide
Learn how Gatling feeders inject dynamic test data from CSV, JSON, JDBC, Redis or custom sources, with a concrete example, setup steps, and key limitations to watch.
Using k6's http.batch to send parallel requests in a single VU
Learn how k6’s http.batch lets a single virtual user send multiple HTTP requests in parallel, with a worked example, trade‑offs, and verification steps.