Linux 86_64-8 core cpu vs 2 quard core cpu
I am designing Linux 86_64 kernel 2.6 oracle(188.8.131.52) DWH server
RAM-52GB,Swap-32GB,HDD 2TB and CPU-8
1)On CPU architectural design which will be more efficient and effective in performance Adding single 8 core or adding 2 quard core cpu?
2)How can i efficiently utilise all CPU's without high CPU bottleneck
3)And also please help in calculating kernel values(sem,shmax,min,mal and hugepage values.