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In my Drupal 6 site (fairly busy about 200 anonymous users on average at at time) I have the following setup to speed up the site.

  • Caching Mode - normal
  • Optimize JavaScript files
  • Gzip enabled via .htaccess
  • Cloudflare - normal setting
  • Disabled database logging

Can I add memcached or Varnish into this setup? Which one will work better for this site? Should I even care about Varnish and memcached in this setup?

closed as primarily opinion-based by kiamlaluno Jan 27 at 18:45

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

  • Whether Varnish or memcache will be worthwhile or not requires profiling your website. There are other things that should be done before throwing caching at a site to ensure optimal performance. – mpdonadio Jan 3 '17 at 16:14
  • What is a typical response time? What type of hosting do you have? – sbrattla Jan 4 '17 at 21:42
  • Hi the response time is quite good but I want to setup the server so it's at its fastest. Hosting is AWS EC2 server with AWS RDS for mysql dbase.. – user3236765 Jan 4 '17 at 23:59
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You can use both as per my knowledge.

For Drupal generally, Varnish works for unauthenticated users traffic and memcached will cache authenticated users traffic.

Memcache saves your DB from doing a lot of read work, Varnish saves your dynamic web server from CPU load by making you generate pages less frequently.

But in your case I think Varnish is better option.

  • Use both, but if I had to pick one I'd go for memcache actually. – mikeytown2 Jan 3 '17 at 21:24
  • Hi Mikeytown why do you recommend memcache only? Thanks – user3236765 Jan 4 '17 at 13:03
  • @user3236765 Use both if you can. Memcache can be used for the page cache which varnish only does so there is a slight overlap. – mikeytown2 Jan 4 '17 at 19:24
  • Hi with all the schemes I've enabled as per my original question memcache will work? – user3236765 Jan 10 '17 at 10:58

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