Solution : https://service.sap.com/sap/support/notes/302937 (SAP Service marketplace login required)
Key words : 
terms business information warehouse, unnecessarily high system load, read/write interface runs, >>> >>> write interfacethe modules relevant, rsdri_infoprov_read rsdri_infoprov_read_rfc cl_rsdri_infoprov=>read, cl_rsdri_infoprov=>read rsdri, method cl_rsdri_infoprov=>read, strategic enterprise management, customer relationship management, x-based system
Related Notes : 
       
| 1808468 | Cube writer: Improvement of debug option for RSDRI | 
| 1325900 | Turning RSDRI_INFOPROV_READ into RSDRI_INFOPROV_READ_RFC | 
| 995951 | Analysis/Required infos for wrong values in RSDRI | 
| 611790 | No data with more than 40 restrictions & compounding | 
| 581213 | |
| 563219 | |
| 560369 | |
| 487041 |