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JavaScript Building a MEAN Application Creating and Editing Data in a MEAN App Create and Update Data in Angular

xxx xxx
xxx xxx
5,272 Points
Posted by xxx xxx
xxx xxx
5,272 Points

Mongo connection increasing with use

Shouldn't we be closing the mongo connection somehow? It seems to be increasing with use in the mongod window

Diogo Righi Barbosa
Diogo Righi Barbosa
5,023 Points
Diogo Righi Barbosa
Diogo Righi Barbosa
5,023 Points

Yeah, we should!

I use this code on my database.js:

var mongoose = require('mongoose');
var gracefulShutdown;
var dbURI = 'mongodb://localhost/mean-todo';
if (process.env.NODE_ENV === 'production') {
    dbURI = process.env.MONGOLAB_URI;
}

mongoose.connect(dbURI);

// CONNECTION EVENTS
mongoose.connection.on('connected', function() {
    console.log('Mongoose connected to ' + dbURI);
});
mongoose.connection.on('error', function(err) {
    console.log('Mongoose connection error: ' + err);
});
mongoose.connection.on('disconnected', function() {
    console.log('Mongoose disconnected');
});

// CAPTURE APP TERMINATION / RESTART EVENTS
// To be called when process is restarted or terminated
gracefulShutdown = function(msg, callback) {
    mongoose.connection.close(function() {
        console.log('Mongoose disconnected through ' + msg);
        callback();
    });
};
// For nodemon restarts
process.once('SIGUSR2', function() {
    gracefulShutdown('nodemon restart', function() {
        process.kill(process.pid, 'SIGUSR2');
    });
});
// For app termination
process.on('SIGINT', function() {
    gracefulShutdown('app termination', function() {
        process.exit(0);
    });
});
// For Heroku app termination
process.on('SIGTERM', function() {
    gracefulShutdown('Heroku app termination', function() {
        process.exit(0);
    });
});