FreeBSD and Linux SSD Write Speeds

Tim Daneliuk tundra at
Wed Jun 21 18:27:42 UTC 2017

On 06/21/2017 11:23 AM, Jov wrote:
> Try add sync option to dd and write twice of memory size data(16gb for your hw).
> Jov
OK, reran with: 

    dd if=/dev/zero of=foo bs=8M count=1024 conv=sync

Results (fastest of several runs):

Linux:   265MB/sec

FreeBSD: 180MB/sec

The fact that there is some variability us unremarkable.  What is 
remarkable is that the FreeBSD is more powerful and has a much
newer SSD drive.

Tim Daneliuk     tundra at
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