Re: ZFS ARC being limited below what is defined in /boot/loader.conf

2010-02-13 Thread Jeremy Chadwick
On Fri, Feb 12, 2010 at 01:10:51PM -0800, Artem Belevich wrote: > vm.kmem_size_max/vm.kmem_size_min define the range vm.kmem_size can be set to. > vm_kmem_size specifies the actual kmem size. > > ARC size in turn limited by vm.kmem_size. > > If you want to bump ARC size, you do need to bump vm.km

Re: ZFS ARC being limited below what is defined in /boot/loader.conf

2010-02-12 Thread Steve Polyack
This was indeed the issue. I read your first response incorrectly. Thanks a bunch! On 2/12/2010 4:10 PM, Artem Belevich wrote: vm.kmem_size_max/vm.kmem_size_min define the range vm.kmem_size can be set to. vm_kmem_size specifies the actual kmem size. ARC size in turn limited by vm.kmem_size.

Re: ZFS ARC being limited below what is defined in /boot/loader.conf

2010-02-12 Thread Artem Belevich
vm.kmem_size_max/vm.kmem_size_min define the range vm.kmem_size can be set to. vm_kmem_size specifies the actual kmem size. ARC size in turn limited by vm.kmem_size. If you want to bump ARC size, you do need to bump vm.kmem_size. --Artem On Fri, Feb 12, 2010 at 11:36 AM, Steve Polyack wrote:

Re: ZFS ARC being limited below what is defined in /boot/loader.conf

2010-02-12 Thread Steve Polyack
On 02/12/10 13:47, Artem Belevich wrote: On Fri, Feb 12, 2010 at 10:31 AM, Steve Polyack wrote: Has anyone had an issue with the ZFS ARC max being limited below what has been defined in /boot/loader.conf? I just upgraded the RAM in a ZFS-equipped system and attempted to devote 4GB to the

Re: ZFS ARC being limited below what is defined in /boot/loader.conf

2010-02-12 Thread Artem Belevich
Check your vm.kmem_size. Default setting is way too low. Set it to at least double of desired arc size. --Artem On Fri, Feb 12, 2010 at 10:31 AM, Steve Polyack wrote: > Has anyone had an issue with the ZFS ARC max being limited below what has > been defined in /boot/loader.conf?  I just upgrad

ZFS ARC being limited below what is defined in /boot/loader.conf

2010-02-12 Thread Steve Polyack
Has anyone had an issue with the ZFS ARC max being limited below what has been defined in /boot/loader.conf? I just upgraded the RAM in a ZFS-equipped system and attempted to devote 4GB to the ARC cache by placing the following in loader.conf: vfs.zfs.arc_max="4096M" However, after rebootin