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Benchmarks Of The New ZFS On Linux: EXT4 Wins

Free Software

Published on 18 April 2013 04:47 PM EDT
Written by Michael Larabel in Free Software
53 Comments

At the end of March was a new release of ZFS On Linux, a kernel module implementation of the ZFS file-system for Linux, and it was declared ZFS On Linux is now ready for wide-scale deployments. With this release (ZOL/SPL v0.6.1), new benchmarks are being done to compare ZFS to popular Linux file-systems. In this article is a brief preview against EXT4.

The in-depth ZFS On Linux comparison using the new out-of-tree kernel module will happen on multiple disks and compared against EXT4, Btrfs, XFS, and friends. In this article are just some quick single SSD-backed results for a couple of tests and just compared to EXT4. Benchmarking happened from an updated Fedora 18 installation. The more thorough testing will come once all of the benchmarking has finished; today's results are just from a Lenovo ThinkPad W510 with an Intel SSD.

The benchmark results in full along with other software/hardware information from this Fedora 18 ZFS vs. EXT4 benchmarking can be found inside 1304170-UT-ZFSONLINU78.

With FS-Mark, the widely-used EXT4 file-system beats this native ZFS Linux implementation by a wide margin.

EXT4 is running about three times faster than a stock ZFS file-system from Fedora Linux.

Until the more thorough testing is complete, from last summer are some ZFS Linux benchmark results when using Ubuntu 12.04 LTS.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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