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From: Ivan Voras <ivoras@freebsd.org>
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Subject: Re: zfs and vfs.zfs.prefetch_disable="1"
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
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Randy Bush wrote: 

> i have in my incantations for zfs on i386 to stick the following in
> /boot/loader.conf.local
>=20
> vm.kmem_size=3D600M
> vm.kmem_size_max=3D600M
> zfs_load=3DYES
> vfs.zfs.prefetch_disable=3D1

Cannot say for sure but AFAIK it was mentioned during the Great ZFS
Flamewars as a possible way to reduce memory usage by ZFS, and also as a
possible way of avoiding some deadlocks (possibly py Pawel).


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