top - 11:34:49 up 8 min, 1 user, load average: 0.00, 0.06, 0.06
Tasks: 163 total, 1 running, 162 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 12138568 total, 11360016 free, 390132 used, 388420 buff/cache
KiB Swap: 11092988 total, 11092988 free, 0 used. 11427316 avail Mem
Here is TOP in CentOS 7 for my Apache Wordpress server. I set swappiness to 10. I gave it 12 GB of ram. Why is KiB Swap used so heavily? I was considering reducing RAM to 4-6GB since it won't use it.