$R2S$Server Memory usage is greater than 90% - awsbkxnval000r   
Please reach out shift lead or Linux L3 if you are facing any issue on the server. 
For patching : https://confluence.jnj.com/x/7CP5Fw 
[vchamant@awsbkxnval000r ~]$  ps -eo pid,ppid,user,cmd,%mem,%cpu --sort=-%mem | head -n 10 
    PID    PPID USER     CMD                         %MEM %CPU 
 296071  294943 patadm   hdbindexserver -port 30040  84.9 96.2 
 296077  294943 patadm   hdbindexserver -port 30003   5.0 16.9 
 294968  294943 patadm   hdbnameserver                3.0  4.7 
 296084  294943 patadm   hdbxsengine -port 30046      0.3  1.5 
  24850       1 root     /usr/sap/hostctrl/exe/sapos  0.3  4.0 
 296091  294943 patadm   hdbxsengine -port 30007      0.3  1.4 
   7457       1 sa--appd /opt/appdynamics/machine-ag  0.2  9.1 
 295796  294943 patadm   hdbcompileserver             0.2  0.9 
 302121  294943 patadm   hdbwebdispatcher             0.1  1.0 
[vchamant@awsbkxnval000r ~]$  
