vm_thread_new: kstack allocation failed with many ZFS FS and
kris at FreeBSD.org
Tue Mar 11 00:47:37 PDT 2008
Zaphod Beeblebrox wrote:
> On Mon, Mar 10, 2008 at 8:30 PM, Kris Kennaway <kris at freebsd.org
> <mailto:kris at freebsd.org>> wrote:
> Your kernel has run out of memory. If you cannot tune kmem_size further
> then it cannot handle this many ZFS filesystems.
> Roughly how much kernel memory does a filesystem use (even if inactive)
> --- or did you really mean something like too many pools?
> The ZFS documentation encourages creating filesystems for everything. I
> think my (rather beafy) laptop has 20 filesystems now for various tasks
> --- but I didn't realize there was a non-trivial cost (that is: a cost
> beyond the mount structure, root vnodes and whatnot)...
Well everything has a memory requirement when you add additional
instances of it :) I don't know what the breakdown is for ZFS.
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