diskmcafeelarge KVM testing on Red Hat Enterprise Linux Server 7.5 via the Phoronix Test Suite. Test01: Processor: Intel Xeon Platinum 8175M @ 2.50GHz (2 Cores / 4 Threads), Motherboard: Amazon EC2 m5.xlarge (1.0 BIOS), Memory: 16384MB, 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 . 41.57 |=============================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better Test01 . 7064.55 |============================================================= IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better Test01 . 4273.50 |============================================================= IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better Test01 . 135.03 |============================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better Test01 . 132.42 |============================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better Test01 . 7665.17 |============================================================= IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better Test01 . 135.05 |============================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Test01 . 444 |=================================================================