I'm testing an nginx config with 40k server blocks acting as proxies (proxy_pass). Each server block has its own proxy_cache_path. The "nginx -t" takes about 5 minutes to complete. The config test duration is even exponential if I add more server blocks and proxy_cache_path. Changing any parameter of the proxy_cache_path doesn't change the config test duration. It only takes 30s for nby ops42 - Nginx Mailing List - English