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Load Testing | Skills Pool

Skill File

Load Testing

Load testing with k6: script with stages (ramp-up/hold/ramp-down), thresholds (p99<500ms, errors<1%), spike test for finding breaking point, k6 in CI with failure on thresholds, soak testing, Locust for Python teams, common bottleneck patterns. Use when verifying performance, finding capacity limits, load testing before launch.

rnavarych11 starsFeb 23, 2026

Occupation
Categories: Testing

Skill Content

When to use

Verifying performance before a product launch
Finding capacity limits and breaking points
Setting up performance regression in CI
Diagnosing under which load specific endpoints degrade
Comparing performance before and after optimization

Core principles

Test in production-like environment — load test results from dev are meaningless
Warm up before measuring — cold start skews results
Define thresholds before running — not after seeing results
Soak testing finds leaks — sustained load reveals memory leaks and connection exhaustion
Watch the database, not just the app — DB is usually the bottleneck

References available

references/k6-script.md — stages config, custom metrics, thresholds, setup function, think time

Related Skills

Quick Install

Load Testing

npx skillvault add rnavarych/rnavarych-alpha-engineer-plugins-billy-milligan-skills-quality-load-testing-skill-md

Download Skill Open repository

Author: rnavarych
stars: 11
Updated: Feb 23, 2026
Occupation

On this page

references/spike-test.md — sudden VU spike pattern, relaxed thresholds, recovery measurement

references/ci-integration.md — GitHub Actions k6-action, nightly schedule, threshold exit codes

references/observing-load.md — pg_stat_statements during test, DB connection monitoring, Grafana RED

references/threshold-reference.md — p95/p99 targets by endpoint type, error rate budgets by load level

02

Core principles

03References available

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