Server schema for multiple WordPress sites

July 10, 2013 3.4k views
daniloef
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daniloef
Hi. I need to host several WordPress sites, and I want to know witch "schema" is better: Schema 1 * 1 server with 2GB RAM and 2 cores ---> PHP, MySQL, Varnish. Schema 2 * 1 server with 1 GB RAM and 1 core ---> PHP, MySQL * 1 server with 1 GB RAM and 1 core ---> Varnish Schema 3? (ideas?) Thanks.
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4 Answers
pablo July 10, 2013
How many is several?

Check out:

1.) The Importance of Caching WordPress

2.) How to Install Wordpress, Nginx, PHP, and Varnish on Ubuntu 12.04

3.) W3 Total Cache

4.) Amazon CloudFront
How To Install Wordpress, Nginx, PHP, and Varnish on Ubuntu 12.04
by Etel Sverdlov
Varnish is an HTTP accelerator and a useful tool for speeding up a server, especially during a times when there is high traffic to a site. It works by redirecting visitors to static pages whenever possible and only drawing on the server itself if there is a need for an active process. This tutorial covers installing wordpress on a LEMP stack (with nginx instead of apache), and then installing varnish.
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daniloef July 10, 2013
Several is 20.

Yes, I know all this points, but I want to know what is better:

1 server or
2 servers (for example: 1 for PHP, and other for MySQL and Varnish)?
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kamaln7 MOD July 10, 2013
I recommend having PHP and MySQL on one droplet and having Varnish act as a load balancer (in case you add more app servers later on) on a separate droplet.

If you ever add another app server, you should separate MySQL into its own droplet and have a load balancer (Varnish) droplet, a couple of app servers (php and a webserver), and a database server.
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pablo July 10, 2013
Put MySQL on its own server w/more RAM + memcache: How to Install and Use Memcache on Ubuntu 12.04

If you want to limit maintenance to 2 servers, put everything else on the other droplet. If you're open to deploying more than 2 droplets, check out: How To Set Up Nginx Load Balancing
How To Install and Use Memcache on Ubuntu 12.04
by Etel Sverdlov
Memcache is a system that works to speed up virtual private servers by caching server information. The program allows you to allocate a specific amount of the server ram toward caching recently queried data for a certain amount of time. This tutorial covers Memcache installation and illustrates how to use memcache with a simple php script.
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