Please, any new full or full repair should be tested on WBQ before + if it is a very imprortant reload a roll-out plan shoud be done and approved by BW team + reporting leader.
Below the link of roll-out plan template :
On WBQ, it is not a real pre-prod environnement but we can do some reload with split by company code or plant + period and to have an idea of the volume of the data for production.
To stop the filling of the log and improve the reduction of technical internal table please, stop to use break-point. on your abap code (only on WBD but after the move on WBQ you have to delete it)
Today lot of
Used Expert mode on the DTP + add break point on the routine
to add a routine
Seach the string which want to add a break.
LOOP AT RESULT_PACKAGE ASSIGNING <result_fields>.
Clique on 
on internal break button + 
active and after you can used the DTP and expert mode.