Dears, We have server for caching with the following specifications: OS CentOS 6.4 64-bit Kernel 2.6.32-358.el6.x86_64 CPU Intel(R) Xeon(R) CPU E5640 @ 2.67GHz 8 Cores RAM 8 GB hard disk space 850 GB we installed squid-3.1.10-19.el6_4.x86_64 and we want to know the optimal way to configure the cache_dir size and L1 and L2 Regards Nix