Solution : https://service.sap.com/sap/support/notes/1019965 (SAP Service marketplace login required)
Key words : 
terms br tools, oracle performance problem, oracle 10g, initialization time, database owners, affects functions, fill levels, tablespace management, segment managementbrconnect, database check
Related Notes : 
       
| 871455 | Poor performance when accessing DBA and V$ views | 
| 680046 | Corrections in BR*Tools Version 6.40 |