FreeBSD ZFS vs. TrueOS ZoF vs. DragonFlyBSD HAMMER2 vs. ZFS On Linux Benchmarks
Written by Michael Larabel in Storage on 26 January 2019. Page 3 of 3. 18 Comments

During PostgreSQL read-only tests, the Linux distributions were the fastest while DragonFlyBSD 5.4 HAMMER2 came out ahead of FreeBSD 12.0 with ZFS. Ubuntu 19.04 ZoL and TrueOS ZoF were the two slowest options tested.

Under a mix of read and write operations with PostgreSQL, HAMMER2 on DragonFlyBSD was much faster than the other options while Ubuntu 19.04 ZoL came in by far as the slowest.

For BlogBench reads, F2FS was the fastest followed by FreeBSD 12.0 ZFS but under the write tests, EXT4 was the fastest. In both cases, TrueOS ZoF / Ubuntu ZoL were the slowest in this benchmark representing the web server workload of hosting a blog.

That's the quick weekend test results. Of course, as the new ZFS on FreeBSD code continues stabilizing, I'll be back with more benchmarks.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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