$R2S$Server Memory usage is greater than 90% - awsbkxnval000r   
top - 09:54:17 up 63 days,  1:41,  1 user,  load average: 1.59, 2.27, 2.87 
Tasks: 849 total,   2 running, 847 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  1.4 us,  0.5 sy,  0.0 ni, 97.9 id,  0.0 wa,  0.1 hi,  0.1 si,  0.0 st 
MiB Mem : 509825.4 total,   4852.1 free, 484324.7 used,  20648.7 buff/cache 
MiB Swap:   2044.0 total,      0.1 free,   2043.9 used.  11892.9 avail Mem 