diskmcafeemedium KVM testing on Red Hat Enterprise Linux Server 7.5 via the Phoronix Test Suite. test01: Processor: Intel Xeon Platinum 8175M @ 2.50GHz (1 Core / 2 Threads), Motherboard: Amazon EC2 m5.large (1.0 BIOS), Memory: 8192MB, Disk: 32GB Amazon Elastic Block Store OS: Red Hat Enterprise Linux Server 7.5, Kernel: 3.10.0-862.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, System Layer: KVM SQLite 3.22 Timed SQLite Insertions Seconds < Lower Is Better test01 . 35.99 |=============================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better test01 . 7144.50 |============================================================= IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better test01 . 4240.72 |============================================================= IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better test01 . 135.41 |============================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better test01 . 134.84 |============================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better test01 . 7561.83 |============================================================= IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better test01 . 135.55 |============================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better test01 . 227 |=================================================================