$R2S$Server Memory usage is greater than 90% - awsbkxnval000r   
[rnarla@awsbkxnval000r ~]$ top 
top - 02:07:36 up 71 days, 17:54,  3 users,  load average: 2.03, 4.36, 4.99 
Tasks: 866 total,   1 running, 865 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  2.7 us,  0.9 sy,  0.0 ni, 96.2 id,  0.0 wa,  0.1 hi,  0.1 si,  0.0 st 
MiB Mem : 509825.4 total,  33343.8 free, 461835.8 used,  14645.7 buff/cache 
MiB Swap:   2044.0 total,      1.2 free,   2042.8 used.  34229.8 avail Mem 