To test my hard disk performance I have run Kdiskmark and used the Real World Performance Profile. For its sequential read performance it is showing around 156 MB/s on my ST3000DM007-1WY1 (3TB Seagate Barracuda), which given that device support 1/3/6 Gb/s I/O speeds and the device is plugged into a 6Mb/s Sata port on the motherboard, is very poor performance. Doing some research on disk performance I found a reference to bad disk performance be attributable to BTRFS and that the disk should be formatted as EXT4, is this sentiment reasonable and if so why is Fedora pushing the use of BTRFS.
regards,
Steve
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