Solution : https://service.sap.com/sap/support/notes/1398382 (SAP Service marketplace login required)
Key words :
long execution time, sap netweaver bi 7, sapbinews nw bi 7, sap nw bi 7, 00 import support package 23, import support package 06, import support package 02, 11 import support package 05, 20 import support package 02, support package
Related Notes :
| 1430003 | MDX: Incorrect data with Filter() w/ more than one dimension |
| 1142664 | MDX: Composite SAP note about performance improvements |