Created
March 25, 2024 09:48
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node.js cronjob to dump memory stats every second
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const memoryCronJob = new CronJob("* * * * * *", async () => { | |
const formatMemoryUsage = (data : number) => `${Math.round(data / 1024 / 1024 * 100) / 100} MB`; | |
const memoryData = process.memoryUsage(); | |
const memoryUsage = { | |
rss: `${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); | |
}) | |
memoryCronJob.start() |
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