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How much RAM/CPU will this need?

Posted January 26, 2017 6.2k views
Linux BasicsGetting StartedDigitalOceanApplicationsUbuntu 16.04Storage

I’m going to run the following software on an Ubuntu droplet:

  • PostgreSQL
  • An ASP.NET Core Server app
  • A Discourse Server (has it’s own PostgreSQL)

I will be running these each in Docker containers behind NGINX. How much RAM/CPU will I need? Assume the server will get an average amount of steady traffic (nothing too big/small).

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2 answers
Woet January 26, 2017

Just pick one that seems right and monitor your droplet to determine whether you need more or less.

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jtittle1 January 26, 2017

@qudware

Since it looks like you’ll be running two instances of PostgreSQL and ASP.NET, I would recommend at least a 2GB Droplet to start with, though you may want to consider the 4GB Droplet to give you a little room to breath. Docker, on its own, doesn’t require a ton of resources, though when you’re running a number of containers, it can begin to add up.

Database Servers, such as PostgreSQL, MySQL/MariaDB, Percona and similar tend to need more a little more RAM, so having the extra room will be beneficial.

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