$R2S$Server Memory usage is greater than 90% - awsbkxnval000r   
top - 01:53:44 up 80 days, 17:40,  8 users,  load average: 1.60, 1.92, 2.77 
Tasks: 880 total,   1 running, 879 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  1.0 us,  0.3 sy,  0.0 ni, 98.6 id,  0.0 wa,  0.1 hi,  0.1 si,  0.0 st 
MiB Mem : 509825.4 total,  12043.7 free, 481945.8 used,  15836.0 buff/cache 
MiB Swap:   2044.0 total,      7.9 free,   2036.1 used.  12994.5 avail Mem 