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Re: NetBSD disk performance on VirtualBox

On Wed, 21 Mar 2018 06:41:46 +0700
Robert Elz <kre%munnari.OZ.AU@localhost> wrote:

>     Date:        Tue, 20 Mar 2018 14:18:31 +0000
>     From:        Chavdar Ivanov <>
>     Message-ID:
> <>
>   | Anyway, nothing so far explains Martin's results being just a tad
>   | below those of Linux and everyone else getting speeds 5-6 times
>   | slower.
> What are the file system parameters?    It is easy to make ffs go
> slow if it is not set up properly.
> Also remember the "fast" in ffs was designed to be fast reading, not
> so much writing (on the assumption that most files are read much more
> often than they're written ... consider the contents of /usr/bin for
> example) and that it was designed to operate with SMD disks, where
> knowledge and control is considerably enhanced over scsi or ide.
> kre

What is the proper way of setting up FFS? What options should we be
using when running mkfs? Are there any "hidden" system settings we need
to enable, e.g. disklabel, sysctl, etc?

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