k6
ELI5 — The Vibe Check
k6 lets you write load tests in JavaScript, which is either convenient or deeply ironic depending on your views on JavaScript performance. You describe virtual users and their behavior, then k6 spawns thousands of them to hammer your API simultaneously. Great way to find out your database can't handle 100 concurrent users.
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Related Terms
Artillery
Artillery is like k6's more enterprise-friendly cousin who writes tests in YAML instead of code. Good news: non-engineers can write scenarios.
Gatling
Gatling writes load tests in Scala DSL that looks almost like English: 'exec(http(get users)) pause 1 second'.
Locust
Locust is the Pythonista's load tester — write user behavior as Python classes, hit start, and watch the real-time web dashboard show your server slowly dy...