4 x SSD Btrfs/EXT4 RAID Tests On Linux 4.15
Written by Michael Larabel in Storage on 18 December 2017. Page 4 of 4. 12 Comments

EXT4 RAID0 configurations were running the fastest with Dbench.

Four disk RAID0 on EXT4 was very fast in IOzone.

EXT4 RAID1 across four disks exhibited incredibly poor performance while the other numbers were in line with expectations. EXT4 had a slight advantage over Btrfs in PostgreSQL due to Btrfs' default CoW behavior, but both file-systems performed well in four disk RAID0 for this database benchmark.

Those wanting to compare their own Linux system(s) I/O performance to the results in this article can simply install the Phoronix Test Suite and run phoronix-test-suite benchmark 1712183-AL-4ADATASSD03.

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Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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