New answers tagged performance-tuning
Are you running your benchmark tool from multiple machines or from a single one ? It seems you are running from a single one and so the local port range is the culprit.
I have no idea how to figure out what's going on. Is Apache or MySQL not tuned properly? Maybe someone is attacking the server with repeated hits (how would I know?). I installed htop but even if I saw that Apache or MySQL was eating up a ton of resources, how would I figure out why? First, I would not panic about an attack happening. The ...
First install these plugins: super cache (htaccess mode), wpbase, widget cache. Wordpress is known for having these issues. IF that doesn't help, it might be a memory leak on one of your themes (especially if mobile view is enabled). Post your access and error logs. I strongly recommend working with nginx instead of apache.
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