XL dbench 4 x AMD Opteron 6128 testing with a and on CentOS 5.4 via the Phoronix Test Suite. 2012-03-13 13:48: Processor: 4 x AMD Opteron 6128 @ 2.00GHz (4 Cores), Memory: 8192MB, Disk: 19GB OS: CentOS 5.4, Kernel: 2.6.18-164.el5xen (x86_64), Compiler: GCC 4.1.2, File-System: ext3 Dbench 4.0 Client Count: 1 MB/s > Higher Is Better 2012-03-13 13:48 . 69.27 |===================================================== Dbench 4.0 Client Count: 6 MB/s > Higher Is Better 2012-03-13 13:48 . 88.81 |===================================================== Dbench 4.0 Client Count: 12 MB/s > Higher Is Better 2012-03-13 13:48 . 98.74 |===================================================== Dbench 4.0 Client Count: 48 MB/s > Higher Is Better 2012-03-13 13:48 . 93.12 |===================================================== Dbench 4.0 Client Count: 128 MB/s > Higher Is Better 2012-03-13 13:48 . 83.86 |===================================================== Dbench 4.0 Client Count: 256 MB/s > Higher Is Better 2012-03-13 13:48 . 85.11 |=====================================================