Dear Reader. The pictures below shows how a simple line influence the whole System.
The site delivers at the highest traffic time around 1000 requests per second .
As you can see in the pictures the nginx fastcgi_cache was activated in the night from 5th to 6st January.
Finally to get the right Caching setting is a complex topic which mostly can’t be solved in passing the door.
You can find some solutions on the nginx site in the category caching.