In ST02 SAP Memory roll area readings are on disk

Hi,
Our production system is running on 16GB RAM and 32bit windows platforn.
Readings in ST02 of SAP Memory , roll are readings are on disk
Below are the parameters value configured in the production system.
Suggest me if any changes to be done
rdisp/ROLL_SHM                              6000
rdisp/ROLL_MAXFS                            32768
rdisp/PG_SHM                                6000
rdisp/PG_MAXFS                              32768
abap/swap_reserve                           20971520
em/initial_size_MB                          8192
em/blocksize_KB                             4096
em/stat_log_size_MB                         20
em/stat_log_timeout                         0
em/address_space_MB                         512
rsdb/ntab/ftabsize                          60000
rsdb/ntab/sntabsize                         3000
Regards
Kumar

Hi Kumar,
I want to add few suggestions here, which may help here.
rdisp/ROLL_SHM 6000 ---> increase to 16384
rdisp/PG_SHM 6000 --> increase to 16384
(in addition to this i have noticed that the initial records are at 60 % only)??
If intial record buffers are filled for 60% may not be issue unless you see continuous swaps daily. If you see consecutive more swaps occuring daily, then increase the corresponding buffers to 20% of current size.
Among all the buffers Program buffer is very important for performance. If more than 10000 swaps are occuring daily, you may incerease by 30% of current size, which surely solved your system performance issues.
Hope this helps!!
If you have further queries, plese let me know.
Thanks and Regards,
Pavan Kumar Gali.

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