PostgreSQL on ZFS
mirrored zpool on 2x 128G SATA SSD, modified zfs settings: recordsize=32k, default zfs settings: logbias=latency, sync=standard, ashift=12, no SLOG, no L2ARC


default: 

	Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411

	OS: Linuxmint 20.1, Kernel: 5.4.0-65-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768

sync=disabled: 

	Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411

	OS: Linuxmint 20.1, Kernel: 5.4.0-65-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768

recordsize=32k: 

	Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411

	OS: Linuxmint 20.1, Kernel: 5.4.0-65-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768


PostgreSQL pgbench 13.0
Scaling Factor: 1 - Clients: 1 - Mode: Read Write
TPS > Higher Is Better
default ........ 170  |==
sync=disabled .. 4792 |========================================================
recordsize=32k . 172  |==


PostgreSQL pgbench 13.0
Scaling Factor: 1 - Clients: 1 - Mode: Read Write - Average Latency
ms < Lower Is Better
default ........ 5.903 |=======================================================
sync=disabled .. 0.209 |==
recordsize=32k . 5.830 |======================================================


PostgreSQL pgbench 13.0
Scaling Factor: 1 - Clients: 100 - Mode: Read Write
TPS > Higher Is Better
default ........ 173  |==
sync=disabled .. 4267 |========================================================
recordsize=32k . 172  |==


PostgreSQL pgbench 13.0
Scaling Factor: 1 - Clients: 100 - Mode: Read Write - Average Latency
ms < Lower Is Better
default ........ 578.26 |======================================================
sync=disabled .. 23.45  |==
recordsize=32k . 582.42 |======================================================


PostgreSQL pgbench 13.0
Scaling Factor: 1000 - Clients: 1 - Mode: Read Write
TPS > Higher Is Better
default ........ 92   |=====
sync=disabled .. 1003 |========================================================
recordsize=32k . 99   |======


PostgreSQL pgbench 13.0
Scaling Factor: 1000 - Clients: 1 - Mode: Read Write - Average Latency
ms < Lower Is Better
default ........ 10.985 |======================================================
sync=disabled .. 1.011  |=====
recordsize=32k . 10.073 |==================================================


PostgreSQL pgbench 13.0
Scaling Factor: 1000 - Clients: 100 - Mode: Read Write
TPS > Higher Is Better
default ........ 784  |===========================================
sync=disabled .. 1016 |========================================================
recordsize=32k . 997  |=======================================================


PostgreSQL pgbench 13.0
Scaling Factor: 1000 - Clients: 100 - Mode: Read Write - Average Latency
ms < Lower Is Better
default ........ 129.62 |======================================================
sync=disabled .. 101.42 |==========================================
recordsize=32k . 103.14 |===========================================