ZFS committed to the FreeBSD base.

Ivan Voras ivoras at fer.hr
Wed May 23 10:14:28 UTC 2007

Kris Kennaway wrote:

> i.e. plain ZFS wants to use 3/4 of the *physical* RAM in the system
> (or all but 1GB).  i.e. if you have 16GB in your system then zfs will
> try to use up to 15GB of it for caching leaving only 1GB for
> everything else (kernel + userland).
> I would actually be interested to know how Solaris gets away with
> this.  It sounds like there must be less of a distinction between
> memory allocated to the kernel and to userland, and the ability for
> memory to flow between these two with some form of backpressure when
> userland wants memory that is currently gobbled by up solaris ZFS.

Isn't it adequately explained with Sparc being a 64-bit platform?

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