$R2S$Server Memory usage is greater than 90% - awsdljirll0081   
top - 00:13:02 up 24 days,  6:26,  2 users,  load average: 0.68, 1.38, 1.05 
Tasks: 438 total,   1 running, 437 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  0.4 us,  0.7 sy,  0.0 ni, 98.9 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st 
MiB Mem :  63118.1 total,   2016.1 free,  18282.7 used,  42819.3 buff/cache 
MiB Swap: 131072.0 total, 119818.5 free,  11253.5 used.   6762.1 avail Mem  
 
    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                                                         
 151581 rpeadm    20   0 1258884   4580      0 S   6.2   0.0   4:26.41 igsmux_mt                                                                                       
 738917 schakr86  20   0   52928   4692   3772 R   6.2   0.0   0:00.01 top                                                                                             
      1 root      20   0  242140   6744   3936 S   0.0   0.0  32:03.96 systemd                                                                                         
      2 root      20   0       0      0      0 S   0.0   0.0   0:02.05 kthreadd            