Inviz Custos

let users = await User.findOne({ USER_ID: req.params.USER_ID });
        await users.set({
            LOGIN: req.body.LOGIN
        })
        users.save().then(function () {
            return cache.set('patch:' + req.params.USER_ID, users);
        }).then(() => {
            return res.status(200).json(users);
        })

'use strict';

const { Queue } = require('plain-queue');
const queue = new Queue;

// внутри async function
    chat.quiz = global_quizzes[quiz_id];
    
    if(!chat.quiz) {
        chat.quiz = await queue.addTask(function () {
            return global_quizzes[quiz_id] || Chat_Quizzes.findById(quiz_id).exec();
        });

        global_quizzes[quiz_id] = chat.quiz;
    }

Asynchronous TCP and UDP sockets
Asynchronous DNS resolution
Asynchronous file and file system operations