Linux 6.12 Through Linux 7.0 File-System Benchmarks For EXT4 + XFS

Written by Michael Larabel in Software on 13 March 2026 at 10:00 AM EDT. Page 3 of 7. 20 Comments.

👁 Flexible IO Tester benchmark with settings of Type: Sequential Read, Engine: IO_uring, Direct: No, Block Size: 2MB, Job Count: 8, Disk Target: Default Test Directory. EXT4 was the fastest.

👁 Flexible IO Tester benchmark with settings of Type: Sequential Read, Engine: IO_uring, Direct: No, Block Size: 2MB, Job Count: 16, Disk Target: Default Test Directory. EXT4 was the fastest.

For sequential read performance there has been a big improvement since Linux 6.16 that allows the EXT4 sequential read speed under FIO to match XFS.

👁 Flexible IO Tester benchmark with settings of Type: Sequential Write, Engine: IO_uring, Direct: No, Block Size: 2MB, Job Count: 8, Disk Target: Default Test Directory. XFS was the fastest.

👁 Flexible IO Tester benchmark with settings of Type: Sequential Write, Engine: IO_uring, Direct: No, Block Size: 2MB, Job Count: 16, Disk Target: Default Test Directory. XFS was the fastest.

👁 Flexible IO Tester benchmark with settings of Type: Sequential Write, Engine: IO_uring, Direct: No, Block Size: 2MB, Job Count: 32, Disk Target: Default Test Directory. XFS was the fastest.

For the sequential write performance, EXT4 on Linux 6.16+ is in much better shape than Linux 6.15 and older. But XFS still was consistently performing better than EXT4 for the sequential write speed under FIO.

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URL: https://www.phoronix.com/review/linux-612-linux-70-xfs-ext4/3

⇱ Linux 6.12 Through Linux 7.0 File-System Benchmarks For EXT4 + XFS - Phoronix

Linux 6.12 Through Linux 7.0 File-System Benchmarks For EXT4 + XFS