$R2S$Server Memory usage is greater than 90% - awsbryirll0009   
top - 01:44:32 up 15 days,  6:07,  4 users,  load average: 6.58, 2.58, 2.32 
Tasks: 827 total,   1 running, 826 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  1.7 us,  0.4 sy,  0.0 ni, 97.9 id,  0.0 wa,  0.1 hi,  0.0 si,  0.0 st 
MiB Mem : 509825.4 total,   8976.0 free, 480535.6 used,  20313.9 buff/cache 
MiB Swap:   2048.0 total,   1918.2 free,    129.8 used.  14845.9 avail Mem  
 
    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                                                         
 117880 pgaadm    20   0  450.3g 445.4g   7.6g S 105.6  89.5  27857:06 hdbindexserver                                                                                  
1122773 schakr86  20   0   53296   5092   3640 R  16.7   0.0   0:00.05 top                                                                                             
   2101 sa--appd  20   0   11.4g 842504  21652 S   5.6   0.2 163:40.51 java                                                                                            
 117838 pgaadm    20   0 2302696 774648 106360 S   5.6   0.1 175:34.35 hdbcompileserve                                                                                 
 117841 pgaadm    20   0 2308584 729216 145200 S   5.6   0.1 178:38.39 hdbpreprocessor                                                                                 
      1 root      20   0  241224  11948   8204 S   0.0   0.0  77:46.98 systemd                 