Btrfs RAID, EXT4 MD RAID 4 x SSD Linux Tests
Btrfs RAID and EXT4 MDADM RAID tests on Linux 4.15 for a future article on Phoronix.


Btrfs 1 Disk: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

Btrfs 2 Disk RAID0: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

Btrfs 2 Disk RAID1: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

Btrfs 4 Disk RAID0: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

Btrfs 4 Disk RAID1: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

Btrfs 4 Disk RAID10: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

Btrfs 4 Disk RAID5: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

Btrfs 4 Disk RAID6: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: btrfs, Screen Resolution: 1920x1080

EXT4 1 Disk: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 2 Disk RAID1: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 2 Disk RAID0: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 4 Disk RAID0: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 4 Disk RAID1: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 4 Disk RAID5: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Desktop: Unity 7.5.0, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 4 Disk RAID6: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 4 Disk RAID10: 

	Processor: Intel Xeon Silver 4108 @ 3.00GHz (8 Cores / 16 Threads), Motherboard: TYAN S7100AG2NR, Chipset: Intel Device 2020, Memory: 6 x 4096 MB DDR4-2400MHz Micron 9ASF51272PZ-2G6B1, Disk: 4 x 120GB ADATA SU700 + 240GB Force MP500, Graphics: ASPEED ASPEED Family, Audio: Realtek ALC892, Monitor: VE228, Network: Intel I350 Gigabit Connection

	OS: Ubuntu 17.04, Kernel: 4.15.0-999-generic (x86_64) 20171212, Display Driver: modesetting 1.19.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080

EXT4 2 Kingston RAID1: 

	Processor: Intel Xeon E-2176G @ 4.70GHz (6 Cores / 12 Threads), Motherboard: Supermicro X11SCM-F v1.01 (1.0b BIOS), Chipset: Intel Cannon Lake PCH, Memory: 4 x 32 GB DDR4-2667MT/s Samsung M391A4G43MB1-CTD, Disk: 3840GB MR9260-8i + 6001GB MR9260-8i, Graphics: ASPEED, Network: 2 x Intel I210

	OS: Ubuntu 18.04, Kernel: 4.15.0-62-generic (x86_64), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1024x768

EXT4 2 MICRON RAID1: 

	Processor: 2 x Intel Xeon Gold 6248 @ 2.50GHz (40 Cores / 80 Threads), Motherboard: Supermicro X11DPU v1.10 (3.1 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 32 GB DDR4-2666MT/s Samsung M393A4K40CB2-CTD, Disk: 7681GB MR9361-8i + 8001GB MR9361-8i, Graphics: ASPEED, Network: 4 x Intel X710/X557-AT

	OS: Ubuntu 18.04, Kernel: 4.15.0-60-generic (x86_64), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1024x768


SQLite 3.8.10.2
Test Target: Default Test Directory
Seconds < Lower Is Better
Btrfs 1 Disk .......... 60.90  |====
Btrfs 2 Disk RAID0 .... 59.21  |====
Btrfs 2 Disk RAID1 .... 64.93  |=====
Btrfs 4 Disk RAID0 .... 62.10  |====
Btrfs 4 Disk RAID1 .... 66.73  |=====
Btrfs 4 Disk RAID10 ... 66.91  |=====
Btrfs 4 Disk RAID5 .... 140.27 |==========
Btrfs 4 Disk RAID6 .... 139.08 |==========
EXT4 1 Disk ........... 27.74  |==
EXT4 2 Disk RAID1 ..... 394.48 |============================
EXT4 2 Disk RAID0 ..... 37.72  |===
EXT4 4 Disk RAID0 ..... 41.22  |===
EXT4 4 Disk RAID1 ..... 454.42 |================================
EXT4 4 Disk RAID5 ..... 418.50 |=============================
EXT4 4 Disk RAID6 ..... 669.24 |===============================================
EXT4 4 Disk RAID10 .... 48.21  |===
EXT4 2 Kingston RAID1 . 75.19  |=====
EXT4 2 MICRON RAID1 ... 3.01   |


Flexible IO Tester 2.1.13
Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
Btrfs 1 Disk .......... 124 |==============
Btrfs 2 Disk RAID0 .... 221 |========================
Btrfs 2 Disk RAID1 .... 124 |==============
Btrfs 4 Disk RAID0 .... 293 |================================
Btrfs 4 Disk RAID1 .... 242 |==========================
Btrfs 4 Disk RAID10 ... 222 |========================
Btrfs 4 Disk RAID5 .... 385 |==========================================
Btrfs 4 Disk RAID6 .... 368 |========================================
EXT4 1 Disk ........... 124 |==============
EXT4 2 Disk RAID1 ..... 246 |===========================
EXT4 2 Disk RAID0 ..... 242 |==========================
EXT4 4 Disk RAID0 ..... 456 |==================================================
EXT4 4 Disk RAID1 ..... 459 |==================================================
EXT4 4 Disk RAID5 ..... 428 |===============================================
EXT4 4 Disk RAID6 ..... 417 |=============================================
EXT4 4 Disk RAID10 .... 439 |================================================
EXT4 2 Kingston RAID1 . 212 |=======================
EXT4 2 MICRON RAID1 ... 308 |==================================


Flexible IO Tester 2.1.13
Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
Btrfs 1 Disk .......... 31086  |=============
Btrfs 2 Disk RAID0 .... 55162  |=======================
Btrfs 2 Disk RAID1 .... 31021  |=============
Btrfs 4 Disk RAID0 .... 73172  |==============================
Btrfs 4 Disk RAID1 .... 60399  |=========================
Btrfs 4 Disk RAID10 ... 55406  |=======================
Btrfs 4 Disk RAID5 .... 96132  |=======================================
Btrfs 4 Disk RAID6 .... 91881  |======================================
EXT4 1 Disk ........... 30936  |=============
EXT4 2 Disk RAID1 ..... 61424  |=========================
EXT4 2 Disk RAID0 ..... 60527  |=========================
EXT4 4 Disk RAID0 ..... 113870 |===============================================
EXT4 4 Disk RAID1 ..... 114726 |===============================================
EXT4 4 Disk RAID5 ..... 106986 |============================================
EXT4 4 Disk RAID6 ..... 104198 |===========================================
EXT4 4 Disk RAID10 .... 109704 |=============================================
EXT4 2 Kingston RAID1 . 52925  |======================
EXT4 2 MICRON RAID1 ... 77015  |================================


Flexible IO Tester 2.1.13
Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
Btrfs 1 Disk .......... 82.35  |==============
Btrfs 2 Disk RAID0 .... 64.76  |===========
Btrfs 2 Disk RAID1 .... 74.21  |============
Btrfs 4 Disk RAID0 .... 66.17  |===========
Btrfs 4 Disk RAID1 .... 40.61  |=======
Btrfs 4 Disk RAID10 ... 34.41  |======
Btrfs 4 Disk RAID5 .... 68.31  |============
Btrfs 4 Disk RAID6 .... 68.21  |===========
EXT4 1 Disk ........... 167.24 |============================
EXT4 2 Disk RAID1 ..... 33.57  |======
EXT4 2 Disk RAID0 ..... 245.04 |=========================================
EXT4 4 Disk RAID0 ..... 279.03 |===============================================
EXT4 4 Disk RAID1 ..... 35.41  |======
EXT4 4 Disk RAID5 ..... 25.93  |====
EXT4 4 Disk RAID6 ..... 17.09  |===
EXT4 4 Disk RAID10 .... 116.34 |====================
EXT4 2 Kingston RAID1 . 114.09 |===================
EXT4 2 MICRON RAID1 ... 44.64  |========


Flexible IO Tester 2.1.13
Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
Btrfs 1 Disk .......... 20583 |==============
Btrfs 2 Disk RAID0 .... 16186 |===========
Btrfs 2 Disk RAID1 .... 18548 |=============
Btrfs 4 Disk RAID0 .... 16540 |===========
Btrfs 4 Disk RAID1 .... 10149 |=======
Btrfs 4 Disk RAID10 ... 8599  |======
Btrfs 4 Disk RAID5 .... 17074 |============
Btrfs 4 Disk RAID6 .... 17049 |============
EXT4 1 Disk ........... 41806 |=============================
EXT4 2 Disk RAID1 ..... 8389  |======
EXT4 2 Disk RAID0 ..... 61257 |==========================================
EXT4 4 Disk RAID0 ..... 69754 |================================================
EXT4 4 Disk RAID1 ..... 8850  |======
EXT4 4 Disk RAID5 ..... 6480  |====
EXT4 4 Disk RAID6 ..... 4270  |===
EXT4 4 Disk RAID10 .... 29080 |====================
EXT4 2 Kingston RAID1 . 28518 |====================
EXT4 2 MICRON RAID1 ... 11155 |========


Flexible IO Tester 2.1.13
Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
Btrfs 1 Disk .......... 109.25 |=============
Btrfs 2 Disk RAID0 .... 234.64 |===========================
Btrfs 2 Disk RAID1 .... 123.40 |==============
Btrfs 4 Disk RAID0 .... 302.93 |===================================
Btrfs 4 Disk RAID1 .... 188.29 |======================
Btrfs 4 Disk RAID10 ... 197.04 |=======================
Btrfs 4 Disk RAID5 .... 402.86 |===============================================
Btrfs 4 Disk RAID6 .... 323.48 |======================================
EXT4 1 Disk ........... 76.04  |=========
EXT4 2 Disk RAID1 ..... 76.70  |=========
EXT4 2 Disk RAID0 ..... 144.92 |=================
EXT4 4 Disk RAID0 ..... 143.94 |=================
EXT4 4 Disk RAID1 ..... 82.30  |==========
EXT4 4 Disk RAID5 ..... 151.50 |==================
EXT4 4 Disk RAID6 ..... 196.79 |=======================
EXT4 4 Disk RAID10 .... 217.34 |=========================
EXT4 2 Kingston RAID1 . 223.40 |==========================
EXT4 2 MICRON RAID1 ... 208.76 |========================


Flexible IO Tester 2.1.13
Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
Btrfs 1 Disk .......... 27309  |=============
Btrfs 2 Disk RAID0 .... 58657  |===========================
Btrfs 2 Disk RAID1 .... 30847  |==============
Btrfs 4 Disk RAID0 .... 75730  |===================================
Btrfs 4 Disk RAID1 .... 47068  |======================
Btrfs 4 Disk RAID10 ... 49255  |=======================
Btrfs 4 Disk RAID5 .... 100711 |===============================================
Btrfs 4 Disk RAID6 .... 80866  |======================================
EXT4 1 Disk ........... 19008  |=========
EXT4 2 Disk RAID1 ..... 19171  |=========
EXT4 2 Disk RAID0 ..... 36226  |=================
EXT4 4 Disk RAID0 ..... 35981  |=================
EXT4 4 Disk RAID1 ..... 20571  |==========
EXT4 4 Disk RAID5 ..... 37872  |==================
EXT4 4 Disk RAID6 ..... 49194  |=======================
EXT4 4 Disk RAID10 .... 54331  |=========================
EXT4 2 Kingston RAID1 . 55847  |==========================
EXT4 2 MICRON RAID1 ... 52186  |========================


Flexible IO Tester 2.1.13
Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
Btrfs 1 Disk .......... 81.37  |=========
Btrfs 2 Disk RAID0 .... 69.23  |========
Btrfs 2 Disk RAID1 .... 69.42  |========
Btrfs 4 Disk RAID0 .... 61.04  |=======
Btrfs 4 Disk RAID1 .... 47.71  |=====
Btrfs 4 Disk RAID10 ... 43.08  |=====
Btrfs 4 Disk RAID5 .... 72.47  |========
Btrfs 4 Disk RAID6 .... 73.17  |========
EXT4 1 Disk ........... 213.91 |=======================
EXT4 2 Disk RAID1 ..... 36.73  |====
EXT4 2 Disk RAID0 ..... 103.37 |===========
EXT4 4 Disk RAID0 ..... 171.16 |===================
EXT4 4 Disk RAID1 ..... 33.09  |====
EXT4 4 Disk RAID5 ..... 33.22  |====
EXT4 4 Disk RAID6 ..... 16.89  |==
EXT4 4 Disk RAID10 .... 71.29  |========
EXT4 2 Kingston RAID1 . 120.99 |=============
EXT4 2 MICRON RAID1 ... 431.03 |===============================================


Flexible IO Tester 2.1.13
Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
Btrfs 1 Disk .......... 20340  |=========
Btrfs 2 Disk RAID0 .... 17304  |========
Btrfs 2 Disk RAID1 .... 17352  |========
Btrfs 4 Disk RAID0 .... 15256  |=======
Btrfs 4 Disk RAID1 .... 11923  |=====
Btrfs 4 Disk RAID10 ... 10767  |=====
Btrfs 4 Disk RAID5 .... 18113  |========
Btrfs 4 Disk RAID6 .... 18289  |========
EXT4 1 Disk ........... 53473  |=======================
EXT4 2 Disk RAID1 ..... 9178   |====
EXT4 2 Disk RAID0 ..... 25838  |===========
EXT4 4 Disk RAID0 ..... 42786  |===================
EXT4 4 Disk RAID1 ..... 8268   |====
EXT4 4 Disk RAID5 ..... 8301   |====
EXT4 4 Disk RAID6 ..... 4219   |==
EXT4 4 Disk RAID10 .... 17818  |========
EXT4 2 Kingston RAID1 . 30244  |=============
EXT4 2 MICRON RAID1 ... 107754 |===============================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
Btrfs 1 Disk ........ 133.87 |===================================
Btrfs 2 Disk RAID0 .. 187.30 |=================================================
Btrfs 2 Disk RAID1 .. 140.87 |====================================
Btrfs 4 Disk RAID0 .. 189.18 |=================================================
Btrfs 4 Disk RAID1 .. 137.77 |====================================
Btrfs 4 Disk RAID10 . 177.53 |==============================================
Btrfs 4 Disk RAID5 .. 124.42 |================================
Btrfs 4 Disk RAID6 .. 138.18 |====================================
EXT4 1 Disk ......... 119.13 |===============================
EXT4 2 Disk RAID1 ... 28.73  |=======
EXT4 2 Disk RAID0 ... 71.93  |===================
EXT4 4 Disk RAID0 ... 101.43 |==========================
EXT4 4 Disk RAID1 ... 21.93  |======
EXT4 4 Disk RAID5 ... 28.60  |=======
EXT4 4 Disk RAID6 ... 24.88  |======
EXT4 4 Disk RAID10 .. 55.20  |==============


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
Btrfs 1 Disk ........ 148.15 |================
Btrfs 2 Disk RAID0 .. 322.97 |====================================
Btrfs 2 Disk RAID1 .. 169.60 |===================
Btrfs 4 Disk RAID0 .. 445.50 |=================================================
Btrfs 4 Disk RAID1 .. 190.00 |=====================
Btrfs 4 Disk RAID10 . 287.30 |================================
Btrfs 4 Disk RAID5 .. 280.90 |===============================
Btrfs 4 Disk RAID6 .. 258.10 |============================
EXT4 1 Disk ......... 64.67  |=======
EXT4 2 Disk RAID1 ... 35.47  |====
EXT4 2 Disk RAID0 ... 79.87  |=========
EXT4 4 Disk RAID0 ... 175.33 |===================
EXT4 4 Disk RAID1 ... 27.00  |===
EXT4 4 Disk RAID5 ... 52.10  |======
EXT4 4 Disk RAID6 ... 32.80  |====
EXT4 4 Disk RAID10 .. 70.27  |========


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
Btrfs 1 Disk ........ 131.40 |===============================
Btrfs 2 Disk RAID0 .. 180.03 |===========================================
Btrfs 2 Disk RAID1 .. 133.83 |================================
Btrfs 4 Disk RAID0 .. 206.00 |=================================================
Btrfs 4 Disk RAID1 .. 132.33 |===============================
Btrfs 4 Disk RAID10 . 164.07 |=======================================
Btrfs 4 Disk RAID5 .. 135.73 |================================
Btrfs 4 Disk RAID6 .. 146.93 |===================================
EXT4 1 Disk ......... 41.35  |==========
EXT4 2 Disk RAID1 ... 29.75  |=======
EXT4 2 Disk RAID0 ... 53.13  |=============
EXT4 4 Disk RAID0 ... 101.37 |========================
EXT4 4 Disk RAID1 ... 28.23  |=======
EXT4 4 Disk RAID5 ... 29.67  |=======
EXT4 4 Disk RAID6 ... 38.43  |=========
EXT4 4 Disk RAID10 .. 48.00  |===========


BlogBench 1.0
Test: Read
Final Score > Higher Is Better
Btrfs 1 Disk .......... 2402392 |===========================================
Btrfs 2 Disk RAID0 .... 2372735 |==========================================
Btrfs 2 Disk RAID1 .... 2388227 |==========================================
Btrfs 4 Disk RAID0 .... 2400675 |===========================================
Btrfs 4 Disk RAID1 .... 2363039 |==========================================
Btrfs 4 Disk RAID10 ... 2359105 |==========================================
Btrfs 4 Disk RAID5 .... 2326341 |=========================================
Btrfs 4 Disk RAID6 .... 2162115 |======================================
EXT4 1 Disk ........... 2477510 |============================================
EXT4 2 Disk RAID1 ..... 2417606 |===========================================
EXT4 2 Disk RAID0 ..... 2389094 |===========================================
EXT4 4 Disk RAID0 ..... 1577870 |============================
EXT4 4 Disk RAID1 ..... 2361663 |==========================================
EXT4 4 Disk RAID5 ..... 2534779 |=============================================
EXT4 4 Disk RAID6 ..... 2585486 |==============================================
EXT4 4 Disk RAID10 .... 2314883 |=========================================
EXT4 2 Kingston RAID1 . 1503511 |===========================
EXT4 2 MICRON RAID1 ... 2238089 |========================================


BlogBench 1.0
Test: Write
Final Score > Higher Is Better
Btrfs 1 Disk .......... 5079  |========
Btrfs 2 Disk RAID0 .... 5746  |=========
Btrfs 2 Disk RAID1 .... 4773  |=======
Btrfs 4 Disk RAID0 .... 5732  |=========
Btrfs 4 Disk RAID1 .... 5397  |========
Btrfs 4 Disk RAID10 ... 5577  |=========
Btrfs 4 Disk RAID5 .... 5136  |========
Btrfs 4 Disk RAID6 .... 4655  |=======
EXT4 1 Disk ........... 4212  |=======
EXT4 2 Disk RAID1 ..... 4825  |=======
EXT4 2 Disk RAID0 ..... 5610  |=========
EXT4 4 Disk RAID0 ..... 8724  |==============
EXT4 4 Disk RAID1 ..... 4692  |=======
EXT4 4 Disk RAID5 ..... 6243  |==========
EXT4 4 Disk RAID6 ..... 5135  |========
EXT4 4 Disk RAID10 .... 7769  |============
EXT4 2 Kingston RAID1 . 19948 |===============================
EXT4 2 MICRON RAID1 ... 30898 |================================================


Dbench 4.0
Client Count: 12
MB/s > Higher Is Better
Btrfs 1 Disk .......... 291.84  |====
Btrfs 2 Disk RAID0 .... 309.27  |====
Btrfs 2 Disk RAID1 .... 289.99  |====
Btrfs 4 Disk RAID0 .... 328.55  |====
Btrfs 4 Disk RAID1 .... 314.25  |====
Btrfs 4 Disk RAID10 ... 348.16  |=====
Btrfs 4 Disk RAID5 .... 311.67  |====
Btrfs 4 Disk RAID6 .... 302.24  |====
EXT4 1 Disk ........... 218.25  |===
EXT4 2 Disk RAID1 ..... 160.56  |==
EXT4 2 Disk RAID0 ..... 374.87  |=====
EXT4 4 Disk RAID0 ..... 605.34  |========
EXT4 4 Disk RAID1 ..... 91.30   |=
EXT4 4 Disk RAID5 ..... 129.00  |==
EXT4 4 Disk RAID6 ..... 106.08  |=
EXT4 4 Disk RAID10 .... 302.57  |====
EXT4 2 Kingston RAID1 . 547.32  |=======
EXT4 2 MICRON RAID1 ... 3410.08 |==============================================


IOzone 3.465
Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
Btrfs 1 Disk .......... 37.97  |==
Btrfs 2 Disk RAID0 .... 76.16  |====
Btrfs 2 Disk RAID1 .... 46.52  |==
Btrfs 4 Disk RAID0 .... 900.57 |===============================================
Btrfs 4 Disk RAID1 .... 182.49 |==========
Btrfs 4 Disk RAID10 ... 142.13 |=======
Btrfs 4 Disk RAID5 .... 114.48 |======
Btrfs 4 Disk RAID6 .... 75.62  |====
EXT4 1 Disk ........... 48.72  |===
EXT4 2 Disk RAID1 ..... 43.68  |==
EXT4 2 Disk RAID0 ..... 103.42 |=====
EXT4 4 Disk RAID0 ..... 168.87 |=========
EXT4 4 Disk RAID1 ..... 42.09  |==
EXT4 4 Disk RAID5 ..... 80.43  |====
EXT4 4 Disk RAID6 ..... 59.66  |===
EXT4 4 Disk RAID10 .... 94.16  |=====
EXT4 2 Kingston RAID1 . 435.43 |=======================
EXT4 2 MICRON RAID1 ... 396.25 |=====================


PostgreSQL pgbench 10.0
Scaling: Mostly RAM - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
Btrfs 1 Disk ........ 881.08  |========================
Btrfs 2 Disk RAID0 .. 1133.63 |===============================
Btrfs 2 Disk RAID1 .. 628.35  |=================
Btrfs 4 Disk RAID0 .. 1643.89 |=============================================
Btrfs 4 Disk RAID1 .. 1642.71 |=============================================
Btrfs 4 Disk RAID10 . 1041.85 |============================
Btrfs 4 Disk RAID5 .. 1370.47 |=====================================
Btrfs 4 Disk RAID6 .. 684.05  |===================
EXT4 1 Disk ......... 1086.05 |=============================
EXT4 2 Disk RAID1 ... 760.78  |=====================
EXT4 2 Disk RAID0 ... 1771.23 |================================================
EXT4 4 Disk RAID0 ... 1729.77 |===============================================
EXT4 4 Disk RAID1 ... 0.10    |
EXT4 4 Disk RAID5 ... 1033.44 |============================
EXT4 4 Disk RAID6 ... 1020.35 |============================
EXT4 4 Disk RAID10 .. 1310.87 |====================================