Hi
It would be great if buffer could enhance performance to such an extent !
Maybe a system were no buffer are set could be significantly speed up, but not that much.
The parameters you can see in STO2 could be set in RZ10 (or directly by editing the profile /sapmnt/<SID>/profile/<SID>_DVEBMGS00_<hostname>) even if they are not known.
Which SAP version are you running for having a 6.10 kernel ?
Even the 4.7 version were running on 6.20...
If you are on a Unix box don't forget to adjust shared memory segments when changing buffer size
sappfpar check pf=/sapmnt/PR1/profile/PR1_DVEBMGS00_sicitap01pro
1137734 - Assignment of memory areas, shared memories, and pools
Regards