FreeBSD ZFS vs. ZoL Performance, Ubuntu ZFS On Linux Reference
Written by Michael Larabel in Storage on 22 April 2019. Page 1 of 3. 12 Comments

With iX Systems having released new images of FreeBSD reworked with their ZFS On Linux code that is in development to ultimately replace their existing FreeBSD ZFS support derived from the code originally found in the Illumos source tree, here are some fresh benchmarks looking at the FreeBSD 12 performance of ZFS vs. ZoL vs. UFS and compared to Ubuntu Linux on the same system with EXT4 and ZFS.

Using an Intel Xeon E3-1275 v6 with ASUS P10S-M WS motherboard, 2 x 8GB DDR4-2400 ECC UDIMMs, and Samsung 970 EVO Plus 500GB NVMe solid-state drive was used for all of this round of testing. Just a single modern NVMe SSD was used for this round of ZFS testing while as the FreeBSD ZoL code matures I'll test on multiple systems using a more diverse range of storage devices.

FreeBSD 12 ZoL was tested using the iX Systems image and then fresh installs done of FreeBSD 12.0-RELEASE when defaulting to the existing ZFS root file-system support and again when using the aging UFS file-system. Ubuntu 18.04.2 LTS with the Linux 4.18 kernel was used when testing its default EXT4 file-system and then again when using the Ubuntu-ZFS ZoL support. Via the Phoronix Test Suite various BSD/Linux I/O benchmarks were carried out.


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