$R2S$Server Memory usage is greater than 90% - awsbkxnval000r   
top - 00:33:07 up 80 days, 16:19,  6 users,  load average: 3.55, 2.59, 2.36 
Tasks: 867 total,   2 running, 865 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  1.4 us,  2.9 sy,  0.0 ni, 95.4 id,  0.0 wa,  0.2 hi,  0.1 si,  0.0 st 
MiB Mem : 509825.4 total,  16021.5 free, 478012.8 used,  15791.2 buff/cache 
MiB Swap:   2044.0 total,      7.8 free,   2036.2 used.  16931.4 avail Mem 