vfs.zfs.arc.min (was: how to set vfs.zfs.arc.max in 15-current ?)
- In reply to: Toomas Soome : "Re: how to set vfs.zfs.arc.max in 15-current ?"
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Date: Fri, 13 Oct 2023 20:20:22 UTC
On 13/10/2023 07:46, Toomas Soome wrote: > >> On 13. Oct 2023, at 09:35, void <void@f-m.fm> wrote: >> >> On Fri, Oct 13, 2023 at 08:12:47AM +0200, Juraj Lutter wrote: >> >>> Set also vfs.zfs.arc.min to some value higher than zero. >> aha! that worked!!! :D >> >> root@beer:/root# sysctl vfs.zfs.arc.min=1073741824 >> vfs.zfs.arc.min: 0 -> 1073741824 >> root@beer:/root# sysctl vfs.zfs.arc.max=8589934592 >> vfs.zfs.arc.max: 0 -> 8589934592 >> root@beer:/root# >> thank you! >> -- >> > That is a bit odd, arc min used to be 64MB as lowest value - that is, it should never be 0. > > rgds, > toomas 0 here, when not set. <https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Module%20Parameters.html#zfs-arc-max> describes the effect of 0, <https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Module%20Parameters.html#zfs-arc-min> on the same page does not. A gap in documentation upstream?