$R2S$Server Memory usage is greater than 90% - awsbkxnval000r   
top - 09:50:02 up 62 days,  1:36,  3 users,  load average: 3.12, 2.55, 2.26 
Tasks: 871 total,   1 running, 869 sleeping,   0 stopped,   1 zombie 
%Cpu(s):  2.9 us,  1.7 sy,  0.4 ni, 94.7 id,  0.0 wa,  0.2 hi,  0.1 si,  0.0 st 
MiB Mem : 509825.4 total,   7070.7 free, 483995.5 used,  18759.2 buff/cache 
MiB Swap:   2044.0 total,      0.0 free,   2044.0 used.  12281.8 avail Mem 