ZFS arc sizing (maybe related to kern/145229)

[Jeremy Chadwick]

On Wed, Apr 07, 2010 at 11:25:57PM -0400, Rich wrote:
> kstat.zfs.misc.arcstats.memory_throttle_count: 673016
> 
> Since UFS has no files of any reasonable size on it (it's literally
> just rootFS)...
>
> ...
>
> > Rich wrote:
> >>
> >>        vfs.zfs.arc_meta_limit=1073741824
> >>        vfs.zfs.arc_meta_used=548265792
> >>        vfs.zfs.arc_min=536870912
> >>        vfs.zfs.arc_max=3221225472
> >>
> >> So it very clearly limits to near the minimum size, but whether this
> >> is design or accidental behavior, I'm unsure.

I don't see a vm.kmem_size entry in there, so I can't see how you're
going to reach arc_max ever.

-- 
| Jeremy Chadwick                                   jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |