I can't install mongodb/mongodb via composer, what should I do?

Question

Composer

/var/www/html$ composer require mongodb/mongodb
Using version ^1.7 for mongodb/mongodb
./composer.json has been created
Loading composer repositories with package information
Updating dependencies (including require-dev)
Killed

Answer 1

This means that the installation process ate a lot of RAM, you need to increase the swap memory partition or buy more RAM