Solution : https://service.sap.com/sap/support/notes/734729 (SAP Service marketplace login required)
Key words : 
terms user display roll paging pg_cnt_uid rrol_cnt_uid reason, time-consuming operations repeatedly, memory usage detail screen, user display, kernel support package, set rdisp/roll_maxfs, 'cst patch collection 20 2004', longer response time, paging blocks, paging file
Related Notes : 
       
| 735057 | CST Patch Collection 20 2004 |