Worker_threads.parentPort.on() function in Node.js — Node.js Technical Interview Questions & Answers

Worker_threads.parentPort.on() function in Node.js

Worker_threads.parentPort.on() function in Node.js

  • Worker_threads.parentPort.on() function (in node js) is a Node.js topic. In plain words you use it for use all CPU cores in production box. Don’t start with a slogan — start with that picture.
  • Smallest example: cluster.fork or PM2. Type it, run it, and say what you see. If you can do that from memory, you know Worker_threads.parentPort.on() function (in node js).
  • From the example next to this theory: Worker_threads.
  • Trap: in-memory session without sticky. Fix that before you talk about advanced Node.js.
  • Viva: what is Worker_threads.parentPort.on() function (in node js)? Then show cluster.fork or PM2. Then name the trap.

Technical Interview Tip: What is Worker_threads.parentPort.on() function (in node js)? Show this: cluster.fork or PM2. Trap: in-memory session without sticky.

Code Examples for Worker_threads.parentPort.on() function in Node.js

Worker_threads.parentPort.on() function in Node.js — working example

// Worker_threads.parentPort.on() function in Node.js
const users = [
  { id: 1, name: "Asha" },
  { id: 2, name: "Ravi" },
];

function findUser(id) {
  return users.find((u) => u.id === id) ?? null;
}

console.log(findUser(2));
console.log(users.map((u) => u.name));

Worker_threads.parentPort.on() function in Node.js: find user 2, then list names. Say both prints.

How to Explain Worker_threads.parentPort.on() function in Node.js to an Interviewer

What is Worker_threads.parentPort.on() function (in node js)?

Used for use all CPU cores production box Not just the heading

Give one small example of Worker_threads.parentPort.on() function (in node js).

cluster.fork or PM2 Worker_threads

What mistake do beginners make with Worker_threads.parentPort.on() function (in node js)?

in-memory session without sticky Show the fix

Where do you use Worker_threads.parentPort.on() function (in node js)?

production box use all CPU cores