I’m just learning how to optimize my droplet. Please feel free to provide advice, links, etc.
My droplet operates but varnishstat shows a hitrate average of zero. Cloudflare is showing over 6K+ unique visitors in the past four days. Top shows up to 50% or greater CPU usage every 1/2 hour. My reverse proxy is not working; that is, it shows 127.0.0.1 in XenForo … but I can use the WordPress plugin login attempts and click reverse proxy and get the correct IP. When the droplet is booting there is an red fail - but I don’t know how to read what is failing.
After optimizing mysql using mysqltuner.pl then the site pages load very quickly BUT after some time then the pages served are blank. A restart of apache2 fixes this temporarily.
These are installed.
Apache APC memcached mysql Nginx PHPMyAdmin Varnish
How do I check if varnish is even installed properly since varnishstat is showing zero? Should varnish be removed? Do you believe this is the culprit of the blank pages?
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