Solution : https://service.sap.com/sap/support/notes/354925 (SAP Service marketplace login required)
Key words : 
retail information system, user-defined analyses, terms ris-update, system performance, areas update, standard analyses, ris enhancement, data retention, standard analysis, solution check
Related Notes : 
       
| 337754 | Performance problem in update as of PI 2000.1 SP4 | 
| 333073 | Performance problems with LIS delta | 
| 321286 | Collective note: Invent. Controlling Rel. 4.6C (April 2001) | 
| 320979 | LIS: Performance Statistical data setup | 
| 314091 | Flex.analys:Report output takes very long, TIME_OUT | 
| 306065 | SAP remote cubes: empty field list for extractor call | 
| 300888 | MR11 - performance problems through SAPLEINS | 
| 213546 | HPR collective note: POS inbound | 
| 208447 | Perf.: Statistics preparation & update in purchasing (EINS) | 
| 207863 | RIS:Performance improvemnt, II, f data enhancement | 
| 190840 | Performance: deleting delta tables | 
| 188837 | Purchase order generation performance | 
| 181310 | RIS: Optimize update performance | 
| 179385 | RIS: Procedure resetup - performance | 
| 177862 | Performance BW setup S260 -264 | 
| 176882 | SIS reorganization - performance optimization | 
| 174134 | SIS: Collective note - reorganization | 
| 165504 | Loading R/3 data uses too many work processes | 
| 159960 | RIS:Perform improvement drng data enhancement | 
| 153956 | Statistical setup carried out in all info structrs | 
| 150376 | Composite note: INVCO in Release 4.0B to 4.6B (October 2000) | 
| 144746 | Generic data extraction | 
| 142404 | Performance OTB | 
| 133919 | Consulting: Performance improvement flex. planning | 
| 130255 | Performance improvement for large info structures | 
| 126704 | Performance improvement during LIS archiving | 
| 96275 | Copy management: performance improvement | 
| 89173 | Performance - update | 
| 79083 | Setup of statistical data in BCO: Additional information | 
| 77491 | Performance improvement in LIS reporting | 
| 77427 | MCL parameter | 
| 61746 | Performance in standard analyses of Inventory Contr. | 
| 32580 | Performance problems during SIS setup |