$R2S$Server Memory usage is greater than 90% - awsdkyirll002c   
top - 21:13:01 up 3 days,  3:47,  2 users,  load average: 0.27, 0.19, 0.19 
Tasks: 350 total,   1 running, 349 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  1.7 us,  1.6 sy,  2.1 ni, 94.0 id,  0.2 wa,  0.3 hi,  0.1 si,  0.0 st 
MiB Mem :  31368.2 total,   1064.4 free,  12885.9 used,  17417.9 buff/cache 
MiB Swap:  65536.0 total,  59461.7 free,   6074.2 used.   2824.4 avail Mem 