$R2S$Server Memory usage is greater than 90% - awsbrzirll0011   
top - 01:47:43 up 18 days,  8:10,  1 user,  load average: 0.60, 0.62, 0.66 
Tasks: 825 total,   2 running, 823 sleeping,   0 stopped,   0 zombie 
%Cpu(s):  2.2 us,  1.2 sy,  0.0 ni, 95.9 id,  0.0 wa,  0.6 hi,  0.2 si,  0.0 st 
MiB Mem : 983152.9 total,  30330.0 free, 929290.2 used,  23532.7 buff/cache 
MiB Swap:   2048.0 total,   2048.0 free,      0.0 used.  37238.9 avail Mem  
 
    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                                                         
 565571 pjfadm    20   0  914912  82180  69108 R  76.5   0.0   0:00.13 hdbnsutil                                                                                       
  80404 pjeadm    20   0  899.8g 892.9g   6.5g S  41.2  93.0   1248:38 hdbindexserver                                                                                  
  77263 pjfadm    20   0   10.4g   4.5g 717288 S  35.3   0.5 276:31.81 hdbnameserver                                                                                   
  79810 pjeadm    20   0 6303464   2.7g 591396 S   5.9   0.3 166:15.38 hdbdocstore             