Enhance: Cache and load balancing

[BiteSnail]

Cache

use LRU cache algorithm

Load balancing

How can i do?

[BiteSnail]

Load Balancing with Nginx

[BiteSnail]

long tail photo
In statistics and business, a long tail of some distributions of numbers is the portion of the distribution having many occurrences far from the "head" or central part of the distribution.
by wikipedia

So then, server have to hold about 20% URL data. 20% of 2TB is 400GB.
This project Need 400GB cache memory? something wrong.