Solution : https://service.sap.com/sap/support/notes/636732 (SAP Service marketplace login required)
Key words :
'single records buffered' selection, symptom read access, srcicrel table, solution create, role_b fields, technical settings, note 313853, 'buffering
Related Notes :
| 653645 | Composite SAP Note performance |
| 313853 | Poor performance during link display |