Solution : https://service.sap.com/sap/support/notes/1331726 (SAP Service marketplace login required)
Key words : 
solve performance issues, prerequisites performance issue, rfx response, terms mt_header_rel, time reason, rfx reponse, support package, correction
Related Notes : 
       
| 1255376 | Performance Issues in RFx and RFx Response | 
| 1255374 | Performance Issues in RFx and RFx Response | 
| 1254485 | Performance Issues in RFx and RFx Response | 
| 1241712 | Performance issue with POWL refresh of RFx query for bidders | 
| 1241238 | Performance issue with Refresh of POWL query for Quotation | 
| 1236753 | Performance issue with Partner DO | 
| 1236100 | Performance issues in RFx and Rfx response | 
| 1235230 | Performance issues during Bid upload and download to excel | 
| 1234631 | Performance in items display in Rfx and Quote | 
| 1232764 | Performance issue in RFx Response (Quote) | 
| 1232732 | Performance issue in RFx Response (Quote) | 
| 1231337 | Performance issues with RFx and RFx Response | 
| 1169088 | SRM 6.0 Performance Guide |