Btrfs Benchmarks: Btrfs Is Not Yet The Performance King
Written by Michael Larabel in Software on 30 April 2009. Page 2 of 7. 19 Comments

First looking at the Bootchart results, Fedora 11 took 25 seconds to boot on EXT3, 26 seconds to boot with EXT4, and 29 seconds to boot with Btrfs. During the boot process, the maximum disk throughput for EXT3 was 13MB/s, 16MB/s for EXT4, and 52MB/s for Btrfs. The maximum disk throughput was quite impressive for Btrfs, but still it took longer to boot with Btrfs than with EXT3 or EXT4. This boot performance measuring was done using Bootchart. For the graphs above, from left to right they are from the Btrfs, EXT3, and EXT4 installations, respectively. Bootchart results for the XFS file-system were left out since using bootchartd on that installation had resulted in a kernel panic during the boot process.

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