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how to understand if nodejs is out of memory

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Matteo Cera answered on May 17, 2021 Popularity 9/10 Helpfulness 7/10

answer how to understand if nodejs is out of memory

related node js memory usage

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how to understand if nodejs is out of memory

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const used = process.memoryUsage().heapUsed / 1024 / 1024;
console.log(`The script uses approximately ${Math.round(used * 100) / 100} MB`);

Popularity 9/10 Helpfulness 7/10 Language javascript

Source: www.valentinog.com

Tags: javascript out-of-memory

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Contributed on May 17 2021

Matteo Cera

0 Answers Avg Quality 2/10

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node js memory usage

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import os from 'node:os';

const bytesToMega = (bytes: number) => Math.round((bytes / 1024 / 1024) * 100) / 100;

const getMemoryUse = () => {
	const { heapTotal, heapUsed } = process.memoryUsage();
	const percentUsed = ((heapUsed * 100) / heapTotal).toFixed(2);

	return `${bytesToMega(heapUsed)}MB / ${bytesToMega(heapTotal)}MB (${percentUsed}%)`;
};

export default {
	logToStream(stream: NodeJS.WritableStream, interval: number = 1000) {
		const id = setInterval(() => {
			stream.write(getMemoryUse() + os.EOL);
		}, interval);

		const closeInterval = () => {
			clearInterval(id);
			process.exit(0);
		};
		process.on('SIGINT', closeInterval);
		process.on('SIGKILL', closeInterval);
	},

	getMemoryUse,
};

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 05 2022

Lerigou

0 Answers Avg Quality 2/10

node.js check memory usage

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const formatMemoryUsage = (data) => `${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);

Popularity 5/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript memory node.js

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Contributed on Jul 29 2024

Ramsey

0 Answers Avg Quality 2/10

how to understand if nodejs is out of memory

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