Logo

Command Palette

Search for a command to run...

Configuring container clusters for high availability

Overview

In order to achieve high availability for your application, you need multiple redundancy for both master and worker nodes. This means at least three master nodes and enough worker nodes to comfortably run your entire application at no more than 75% utilisation. If you’re not sure of how Kubernetes defines nodes, please read our guide on the subject before getting started.

Adding nodes to an application

To add nodes to an existing application:

  1. Open the application page from your Dashboard
  2. Click Application in the left-hand nav
  3. Click Servers in the sub nav
  4. Click + Scale up (top right of the main panel)
  5. Choose whether the new node(s) will be Master(s) or a Worker(s)
  6. Choose the server size for the new node(s)
  7. Choose how many new nodes to add
  8. Click Add Server to provision your new node(s)