prefetch change in ZFS

Graham Todd gtodd at bellanet.org
Wed Jun 10 22:22:26 UTC 2009


Kip Macy wrote:
> Prefetch is still enabled by default on non-i386 systems with more
> than 4GB. To unconditionally enable or disable, set
> "vfs.zfs.prefetch_enable" in loader.conf.

So is this a change of OID as well (i.e. to "vfs.zfs.prefetch_enable")?

Here prefetch is enabled by default on a 2GB RAM 7.2-RELEASE system (ZFS
version 6) by setting *vfs.zfs.prefetch_disable* to 0.

ninga# sysctl vfs.zfs | grep fetch
vfs.zfs.prefetch_disable: 0

cheers,


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