loadtest.dev
Sign in
Find issues that only appear over time

Soak Testing

Run tests for extended periods to uncover problems that don't surface in short bursts — memory leaks, connection pool exhaustion, database connection limits, and gradual performance degradation.
Extended test durations (15-60 minutes)
Memory leak detection through metric trends
Connection pool exhaustion testing
Gradual performance degradation monitoring
Resource utilization tracking
Ideal for pre-release validation
soak-test.js
import http from 'k6/http';
import { check, sleep } from 'k6';

export const options = {
  stages: [
    { duration: '2m', target: 100 },   // Ramp up
    { duration: '30m', target: 100 },   // Sustained load
    { duration: '2m', target: 0 },      // Ramp down
  ],
  thresholds: {
    http_req_duration: ['p(95)<500'],  // Should stay consistent
    http_req_failed: ['rate<0.01'],
  },
};

export default function () {
  http.get('https://myapp.com/api/data');
  sleep(2);
}

Frequently asked questions

Related guides

Stress Test Your Website
Step the request rate up until a threshold breaks, and find the last rate your site handled.
Spike Testing
Test how your application handles sudden traffic spikes. Simulate flash sales, viral moments, and DDoS-like scenarios safely.
Capacity Planning
Use load testing for infrastructure capacity planning. Determine how many users your servers can handle and when to scale.

Run this as a plan

Put the scenario in your app's Config/load-plan.json and run it from the narduk-app CLI.
Get started
loadtest.dev — Part of the Narduk Enterprises network