rocksdb1 raw one: Processor: 2 x AMD EPYC 7601 32-Core (2 Cores), Motherboard: QEMU Standard PC (Q35 + ICH9 2009) (rel-1.12.0-0-ga698c8995f-prebuilt.qemu.org BIOS), Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 1 x 4096 MB RAM QEMU, Disk: 85GB QEMU HDD + QEMU HDD, Graphics: bochs-drmdrmfb, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-60-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Facebook RocksDB 6.3.6 Test: Random Fill Op/s > Higher Is Better one . 211080 |================================================================= Facebook RocksDB 6.3.6 Test: Random Read Op/s > Higher Is Better one . 3893635 |================================================================ Facebook RocksDB 6.3.6 Test: Sequential Fill Op/s > Higher Is Better one . 295006 |================================================================= Facebook RocksDB 6.3.6 Test: Random Fill Sync Op/s > Higher Is Better one . 3041 |=================================================================== Facebook RocksDB 6.3.6 Test: Read While Writing Op/s > Higher Is Better one . 116623 |=================================================================