This is documentation for the next version of K6. For the latest stable release, go to the latest version.
normalDistributionStages(maxVus, durationSeconds, [numberOfStages])
Function to create stages producing a normal distribution (bell-curve) of VUs for a test.
Parameter | Type | Description |
---|---|---|
maxVus | int | Maximum virtual users at the height of the curve |
durationSeconds | int | Overall duration for all stages combined |
numberOfStages (optional) | int | Number of stages to create; default is 10 |
Returns
Type | Description |
---|---|
array[object] | An array of {"duration": "XXXs", "target": XXX} JSON objects representing stages |
Example
import { sleep } from 'k6';
import exec from 'k6/execution';
import { normalDistributionStages } from 'https://jslib.k6.io/k6-utils/1.2.0/index.js';
export const options = {
// Alters the number of VUs from 1 to 10 over a period
// of 20 seconds comprised of 5 stages.
stages: normalDistributionStages(10, 20, 5),
};
export default function () {
console.log(exec.instance.vusActive);
sleep(1);
}