Node.js · Theory

Difference between Web Role and Worker Role in Node.js

Theory

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Difference between Web Role and Worker Role in Node.js

If you can teach Difference between Web Role and Worker Role (in node js) using use all CPU cores, you know it. If you only know the heading, you don’t.

Do Difference between Web Role and Worker Role (in node js) once by hand. cluster.fork or PM2. Change one input. Say the new result out loud.

Skip Difference between Web Role and Worker Role (in node js) and in-memory session without sticky shows up in production box.

Amit ships Difference between Web Role and Worker Role (in node js) in production box. That is the use case worth saying.

Difference between Web Role and Worker Role (in node js) trap: in-memory session without sticky. Amit loses marks for that every viva.

After Difference between Web Role and Worker Role (in node js), Amit should still remember in-memory session without sticky.

One breath for Difference between Web Role and Worker Role (in node js), then use all CPU cores, then in-memory session without sticky. Sit down.

Exam tip

For Difference between Web Role and Worker Role (in node js): definition + production box + one failure.

Example

// Difference between Web Role and Worker Role 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));

Difference between Web Role and Worker Role in Node.js: find user 2, then list names. Say both prints.

Short notes

DefDifference between Web Role and Worker Role (in node js) — Amit uses it for use all CPU cores in production box.
RuleDifference between Web Role and Worker Role (in node js) → cluster.fork or PM2.
RememberDifference between Web Role and Worker Role (in node js) + the event loop (production box).
UseDifference between Web Role and Worker Role (in node js) in production box (use all CPU cores).
TrapDifference between Web Role and Worker Role (in node js) — in-memory session without sticky.
ExDifference between Web Role and Worker Role (in node js) → use all CPU cores.

// Difference between Web Role and Worker Role 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));

Difference between Web Role and Worker Role in Node.js

Example

Short notes

Questions

Difference between Web Role and Worker Role in Node.js

Example

Short notes

Questions