Question

Setup load balancing WP server with multiple virtualhosts/server blocks

I am looking at a lot of docs and tutorials, but I am not sure yet how this exactly works. Lets say I do want to setup a:

  • Load Balancer
  • Wordpress1 VPS
  • Wordpress2 VPS

Where Wordpress1 is a server with like 15 Wordpress websites on it.

  1. When load balanced, and client gets on WP2 server, how does it get the site information available on WP1? Do I somehow need to create symlinks?
  2. Do I need to setup something extra for when I have multiple Wordpress websites on a server, instead of one, which will be load balanced?
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Bobby Iliev
Site Moderator
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• August 28, 2022

Hi there,

Would you mind giving a little bit more information on why you need a load balancer with this setup? I believe that with the setup that you’ve described, there is not really a need for a layer 4 load balancer.

You would add a load balancer to a setup where server 1 and server 2 are copies of each other so that the layer 4 load balancer would distribute the traffic between the two servers, eg:

Layer 4 Load Balancing

That way, if web server 1 goes down, the load balancer would distribute the traffic to the healthy web server.

However in your case if you only have some sites on server 1 and some sites on server 2, this would still be a single point of failure.

For a quick introduction on what the benefits of a load balancer are, I could suggest the following tutorial:

https://www.digitalocean.com/community/tutorials/an-introduction-to-haproxy-and-load-balancing-concepts

Hope that this helps and let me know if you have any questions!

Best,

Bobby