Jeremy Chadwick wrote:
To the OP: you will need to increase vm.kmem_size in /boot/loader.conf
and reboot the system.  "What value do I pick?"  With 4GB, I would
recommend you use these two variables:

vm.kmem_size="2048M"
vfs.zfs.arc_max="1536M"

This will increase the available kmem, and also limit the ARC size
explicitly to nothing larger than 1.5GB.  This should stabilise your
system.

What are the general guidelines for sizing these given the amount of physical RAM? For example, I have a machine with 6 GB, so I have:

vm.kmem_size="3072M"
vfs.zfs.arc_max="2048M"


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