8.0-R-p2 ZFS: unixbench causing kmem exhaustion panic

[Doug Poland]

On Wed, January 13, 2010 11:55, Ivan Voras wrote:
> Doug Poland wrote:
>
>> So the question is, can ZFS be tuned to not panic or hang no matter
>> what I throw at it?
>
> Apparently not.
>
>  > I began with a system with no tunables in /boot/loader.conf
>  > (vm.kmem_size and vm.kmem_size_max).  Then I tried increasing
>  > vm.kmem_size and vm.kmem_size_max a GB at a time, until I was at
> 4GB.
>
> Try adding vfs.zfs.arc_max=512M to /boot/loader.conf.
>
Would you suggest tweaking the vm.kmem_size tunables in addition to
arc_max?



-- 
Regards,
Doug