alan90121 test2 test1: Processor: 4 x Common KVM @ 2.39GHz (4 Cores), Motherboard: Red Hat KVM, Memory: 1 x 8192 MB RAM, Disk: 20GB, Graphics: cirrusdrmfb OS: CentOS Linux 7, Kernel: 3.10.0-327.22.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM test12: Processor: 4 x Common KVM @ 2.39GHz (4 Cores), Motherboard: Red Hat KVM, Memory: 1 x 8192 MB RAM, Disk: 20GB, Graphics: cirrusdrmfb OS: CentOS Linux 7, Kernel: 3.10.0-327.22.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM Loopback TCP Network Performance Time To Transfer 10GB Via Loopback Seconds < Lower Is Better test1 .. 3.01 |================================================================ test12 . 3.01 |================================================================