freebsd
A Disk comparison via the Phoronix Test Suite.


zfs: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1796GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900

zfs_L2ARCH: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1793GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900

zfs_L2ARCH2: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1793GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900

zfs_L2ARCH3: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1793GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900

zfs_L2ARC3: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1793GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900

zfs_L2ARC_ZIL2: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1793GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900

zfs_L2ARC_ZIL3: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1793GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900

zfs_L2ARC_ZIL4: 

	Processor: Intel Core 2 6400 @ 2.13GHz (2 Cores), Motherboard: Gigabyte EG41MFT-US2H, Memory: 4096MB, Disk: 1793GB, Graphics: NVIDIA GeForce 210 1024MB (475/400MHz), Audio: NVIDIA (0x0be2) HDA, Monitor: ViewSonic VA1912w

	OS: FreeBSD, Kernel: 10.1-RELEASE (x86_64), Display Server: X Server 1.12.4, Display Driver: NVIDIA 340.65, Compiler: Clang 3.4.1 (SVN 208032), File-System: zfs, Screen Resolution: 1440x900


BlogBench 1.0
Test: Read
Final Score > Higher Is Better
zfs ............ 147293 |============================================
zfs_L2ARCH ..... 179316 |======================================================
zfs_L2ARCH3 .... 150547 |=============================================
zfs_L2ARC3 ..... 138800 |==========================================
zfs_L2ARC_ZIL2 . 153699 |==============================================
zfs_L2ARC_ZIL3 . 138407 |==========================================
zfs_L2ARC_ZIL4 . 146093 |============================================


Unpacking The Linux Kernel
linux-2.6.32.tar.bz2
Seconds < Lower Is Better
zfs ............ 26.37 |================================================
zfs_L2ARCH ..... 26.13 |================================================
zfs_L2ARCH2 .... 26.54 |================================================
zfs_L2ARCH3 .... 26.79 |=================================================
zfs_L2ARC3 ..... 30.01 |=======================================================
zfs_L2ARC_ZIL2 . 30.12 |=======================================================
zfs_L2ARC_ZIL3 . 29.97 |=======================================================
zfs_L2ARC_ZIL4 . 26.20 |================================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
zfs ............ 1170 |========================================================
zfs_L2ARCH ..... 1160 |========================================================
zfs_L2ARCH2 .... 1170 |========================================================
zfs_L2ARCH3 .... 666  |================================
zfs_L2ARC3 ..... 59   |===
zfs_L2ARC_ZIL2 . 61   |===
zfs_L2ARC_ZIL3 . 59   |===
zfs_L2ARC_ZIL4 . 359  |=================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
zfs ............ 296.04 |=====================================
zfs_L2ARCH ..... 412.78 |===================================================
zfs_L2ARCH2 .... 433.87 |======================================================
zfs_L2ARCH3 .... 389.46 |================================================
zfs_L2ARC3 ..... 150.64 |===================
zfs_L2ARC_ZIL2 . 151.16 |===================
zfs_L2ARC_ZIL3 . 151.45 |===================
zfs_L2ARC_ZIL4 . 374.03 |===============================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
zfs ............ 71.21 |======================================================
zfs_L2ARCH ..... 70.86 |======================================================
zfs_L2ARCH2 .... 72.77 |=======================================================
zfs_L2ARCH3 .... 70.13 |=====================================================
zfs_L2ARC3 ..... 59.93 |=============================================
zfs_L2ARC_ZIL2 . 60.19 |=============================================
zfs_L2ARC_ZIL3 . 58.19 |============================================
zfs_L2ARC_ZIL4 . 70.70 |=====================================================


Compile Bench 0.6
Test: Read Compiled Tree
MB/s > Higher Is Better
zfs ............ 161.40 |======================================================
zfs_L2ARCH ..... 152.48 |===================================================
zfs_L2ARCH2 .... 156.72 |====================================================
zfs_L2ARCH3 .... 147.55 |=================================================
zfs_L2ARC3 ..... 73.00  |========================
zfs_L2ARC_ZIL2 . 76.64  |==========================
zfs_L2ARC_ZIL3 . 76.92  |==========================
zfs_L2ARC_ZIL4 . 158.72 |=====================================================


LZMA Compression
256MB File Compression
Seconds < Lower Is Better
zfs_L2ARCH ..... 239.89 |===================================================
zfs_L2ARCH2 .... 251.90 |======================================================
zfs_L2ARCH3 .... 252.24 |======================================================
zfs_L2ARC3 ..... 253.77 |======================================================
zfs_L2ARC_ZIL2 . 251.56 |======================================================
zfs_L2ARC_ZIL3 . 253.27 |======================================================
zfs_L2ARC_ZIL4 . 252.61 |======================================================


BlogBench 1.0
Test: Write
Final Score > Higher Is Better
zfs_L2ARCH3 .... 230 |======================================================
zfs_L2ARC_ZIL4 . 242 |=========================================================