HP Blades with AMD CPU support up to 128 GB of RAM. We have 3 x AMD with 128 GB and 3 x Intel 64 GB. The new intel HP blades support 144 GB RAM. At peak each varnish server is handling 40k established connections, not active connections as I wrote by mistake. About 7000 to 8000 hits per second.by russlndr - Nginx Mailing List - English
My company is a heavy user of varnish cache since 2006. We have 6 varnish servers with 550 GB of RAM caching static pictures for our community. At peak each server is handling 40k active connections per second. If you only have one server you should use a dedicated static server and let the file system cache(linux caches last read data in ram), but it won't scale beyond that server. But I assumby russlndr - Nginx Mailing List - English