Vigneshwaran Rajasekar rvigneshw

😎

Experimenting.....!

Procrastinator, who gets things done!

rvigneshw / Get back data from Child process worker.js

Created September 17, 2021 13:30

Get back data from Child process worker

	worker.on('message', (processedData) => {
	doSomethingElse(processedData);
	worker.kill();
	});

rvigneshw / Send the data.js

Created September 17, 2021 13:29

Send the data

worker.send(data);

rvigneshw / Invoke the Worker.js

Created September 17, 2021 13:27

Invoke the Worker

const worker = fork(filename.js)

rvigneshw / Child process code template.js

Created September 17, 2021 13:26

Child process code template

	process.on('message', (payload) => {
	try {
	//Some time taking stuff
	const processedData = processData(payload);
	process.send(processedData);
	} catch (error) {
	process.send(error);
	}
	});

rvigneshw / Importing Fork from Child process module.js

Created September 17, 2021 13:25

Importing Fork from Child process module

const fork = require('child_process').fork;

rvigneshw / Block the Event loop of nodeJS.js

Last active September 17, 2021 13:25

Blocking the Event Loop of Node.js

	let flag = false;
	setTimeout(() => {
	// this callback never gets called
	// because event loop is blocked
	flag = true;
	}, 1000);

	while (!flag) {
	console.log("still waiting")
	}

rvigneshw / docker-on-ubuntu.sh

Last active October 30, 2020 10:11

Single Script install of Docker on Ubuntu 20.04

	echo "Removing Docker IF EXISTS"
	sudo apt-get remove docker docker-engine docker.io containerd runc
	echo "Getting Docker install Script"
	curl -fsSL https://get.docker.com -o get-docker.sh
	echo "Executing Docker install Script"
	sudo sh get-docker.sh
	echo "Getting Docker-compose"
	sudo curl -L "https://github.com/docker/compose/releases/download/1.27.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
	sudo chmod +x /usr/local/bin/docker-compose