Get your own Node server
const http = require('http');

// This object will store data for each request (memory leak!)
const requestData = {};

const server = http.createServer((req, res) => {
  // Generate a unique request ID
  const requestId = Date.now() + Math.random().toString(36).substring(2, 15);

  // Store data in the global object (THIS IS THE MEMORY LEAK)
  requestData[requestId] = {
    url: req.url,
    method: req.method,
    headers: req.headers,
    timestamp: Date.now(),
    // Create a large object to make the leak more obvious
    payload: Buffer.alloc(1024 * 1024) // Allocate 1MB per request
  };

  // Log memory usage after each request
  const memoryUsage = process.memoryUsage();
  console.log(`Memory usage after request ${requestId}:`);
  console.log(`- Heap Used: ${Math.round(memoryUsage.heapUsed / 1024 / 1024)} MB`);
  console.log(`- Request count: ${Object.keys(requestData).length}`);

  res.end('Request processed');
});

server.listen(8080);

              
Memory usage after request 17501562284748u1qwj4g0pr:
- Heap Used: 5 MB
- Request count: 1
Memory usage after request 1750156229207rjymimuyi9f:
- Heap Used: 5 MB
- Request count: 2
Memory usage after request 17501562352401dzn9hfqipn:
- Heap Used: 5 MB
- Request count: 3
Memory usage after request 1750156235412a87ix91692r:
- Heap Used: 5 MB
- Request count: 4
Memory usage after request 1750156235844c8iqc6r89n8:
- Heap Used: 5 MB
- Request count: 5
Memory usage after request 1750156236000fprxaqkipg:
- Heap Used: 5 MB
- Request count: 6
Memory usage after request 1750156236655nm0elyh4bol:
- Heap Used: 5 MB
- Request count: 7
Memory usage after request 1750156236815u4z5rjg1av:
- Heap Used: 5 MB
- Request count: 8
Memory usage after request 1750156237081tlorvgxg77q:
- Heap Used: 5 MB
- Request count: 9
Memory usage after request 17501562372375qfpdz2z4ni:
- Heap Used: 5 MB
- Request count: 10
Memory usage after request 17501562374656kh2fdqjdc6:
- Heap Used: 4 MB
- Request count: 11
Memory usage after request 1750156237596k2eegjibs6c:
- Heap Used: 5 MB
- Request count: 12