app/utils/mem-usage.js


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/**
 * memory usage report utility
 */

const formatMemoryUsage = (data) => `${Math.round(data / 1024 / 1024 * 100) / 100} MB`;

function report() {
    let memoryData = process.memoryUsage();

    let memoryUsage = {
      rss: `${formatMemoryUsage(memoryData.rss)} -> Resident Set Size - total memory allocated for the process execution`,
      heapTotal: `${formatMemoryUsage(memoryData.heapTotal)} -> total size of the allocated heap`,
      heapUsed: `${formatMemoryUsage(memoryData.heapUsed)} -> actual memory used during the execution`,
      external: `${formatMemoryUsage(memoryData.external)} -> V8 external memory`,
    };
    
    console.log(memoryUsage);
}

module.exports = { report }