To truly clean house, you didn't need a re-org. You needed RSRV analysis (transaction code) to identify "empty requests" and then RSDD_HDB_DROP_DB_INDEX followed by RSDD_HDB_CREATE_DB_INDEX .
Why page 28 of the underground manuals still matters in the era of BW/4HANA sap bw 7.4 practical guide pdf 28
Why? Because the HANA calculation engine would try to union the Active table and the Change Log table for every single query. Over time, your "virtual" provider becomes slower than a standard InfoCube. You might be thinking, "BW 7.4 is out of mainstream maintenance. Why does this matter?" To truly clean house, you didn't need a re-org
Page 28 would show you the dark art of the — specifically, how to convert your cube to "cube merge" mode and enable INMEMORY_AGGREGATION . Because the HANA calculation engine would try to
Now go check your RSDD_HDB logs. You’ll probably find an index that hasn’t been rebuilt since 2018.