Cloud-Based Distributed Testing

#!/bin/bash
# This runs automatically when the EC2 instance starts

# Install Java
sudo yum install -y java-17-amazon-corretto

# Download JMeter
cd /opt
sudo wget https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-5.6.3.tgz
sudo tar -xzf apache-jmeter-5.6.3.tgz
sudo ln -s apache-jmeter-5.6.3 jmeter

# Download test resources from S3
aws s3 cp s3://my-perf-tests/test-data/ /opt/jmeter/test-data/ --recursive

# Configure JMeter
echo "server.rmi.ssl.disable=true" >> /opt/jmeter/bin/jmeter.properties
echo "server.rmi.localport=4000" >> /opt/jmeter/bin/jmeter.properties

# Start JMeter server
PRIVATE_IP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
JVM_ARGS="-Xms2g -Xmx4g" /opt/jmeter/bin/jmeter-server \
  -Djava.rmi.server.hostname=$PRIVATE_IP &

version: "3.8"

services:
  jmeter-master:
    image: justb4/jmeter:5.6.3
    container_name: jmeter-master
    volumes:
      - ./tests:/tests
      - ./results:/results
    environment:
      - JVM_ARGS=-Xms1g -Xmx2g
    command: >
      -n -t /tests/load_test.jmx
      -R jmeter-worker-1,jmeter-worker-2,jmeter-worker-3
      -l /results/results.jtl
      -e -o /results/html_report
    depends_on:
      - jmeter-worker-1
      - jmeter-worker-2
      - jmeter-worker-3
    networks:
      - jmeter-net

  jmeter-worker-1:
    image: justb4/jmeter:5.6.3
    container_name: jmeter-worker-1
    volumes:
      - ./test-data:/test-data
    environment:
      - JVM_ARGS=-Xms1g -Xmx4g
    entrypoint: /entrypoint.sh -s
    networks:
      - jmeter-net

  jmeter-worker-2:
    image: justb4/jmeter:5.6.3
    container_name: jmeter-worker-2
    volumes:
      - ./test-data:/test-data
    environment:
      - JVM_ARGS=-Xms1g -Xmx4g
    entrypoint: /entrypoint.sh -s
    networks:
      - jmeter-net

  jmeter-worker-3:
    image: justb4/jmeter:5.6.3
    container_name: jmeter-worker-3
    volumes:
      - ./test-data:/test-data
    environment:
      - JVM_ARGS=-Xms1g -Xmx4g
    entrypoint: /entrypoint.sh -s
    networks:
      - jmeter-net

networks:
  jmeter-net:
    driver: bridge

# Start workers first, then master
docker-compose up -d jmeter-worker-1 jmeter-worker-2 jmeter-worker-3

# Wait a few seconds for workers to initialize
sleep 5

# Start the master (runs the test)
docker-compose up jmeter-master

# Results will be in ./results/ directory
# Clean up
docker-compose down

import http from "k6/http";
import { check, sleep } from "k6";

export const options = {
  // k6 Cloud handles distribution across multiple machines
  // You just specify the load profile
  stages: [
    { duration: "2m", target: 1000 },   // Ramp up to 1,000 users
    { duration: "10m", target: 5000 },   // Ramp up to 5,000 users
    { duration: "5m", target: 5000 },    // Sustain 5,000 users
    { duration: "2m", target: 0 },       // Ramp down
  ],
  thresholds: {
    http_req_duration: ["p(95)<500"],    // 95th percentile < 500ms
    http_req_failed: ["rate<0.01"],      // Error rate < 1%
  },
};

export default function () {
  const res = http.get("https://your-app.com/api/products");
  check(res, {
    "status is 200": (r) => r.status === 200,
    "response time < 500ms": (r) => r.timings.duration < 500,
  });
  sleep(1);
}

// Run on k6 Cloud:
// k6 cloud load_test.js