Here’s a list of the OBIEE benchmark documents published by Oracle: 28,000 User Benchmark on Sun SPARC Enterprise T5440 Server running Solaris 10 [Aug 09] 10,000 User Benchmark on Sun T2000 [Sept 07] 5,800 User Benchmark on HP DL380 G4 [Sept 07] 4,000 User Benchmark on an IBM System x3755 Server running Red Hat Enterprise Linux