ZFS Still Trying To Compete With EXT4 & Btrfs On Linux

Written by Michael Larabel in Software on 27 August 2013 at 03:29 AM EDT. Page 2 of 3. 8 Comments.

ZFS On Linux 0.6.2 won in the first test in looking at the Flexible I/O Tester (FIO) performance where it was almost twice as fast as EXT4, the second place performer in this quick Linux file-system benchmarking roundabout. The Btrfs file-system always tends to perform quite poorly in this particular workload when using its stock mount options.

For the FS-Mark test of 1,000 files at 1MB size, ZFS comes in last place for the three-way comparison, but its performance is close behind Btrfs. EXT4 has a strong first place finish.

When running FS-Mark with multiple threads, the ZFS Linux performance is very poor at close to half the speed of Btrfs and EXT4.

ZFS is also a ways behind Btrfs and EXT4 in the FS-Mark test dealing with many sub-directories, but it's not quite as bad as the four-threaded FS-Mark benchmark.

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