Limiting ZFS ARC Size?

Frank Leonhardt frank2 at
Mon Jun 18 17:01:17 UTC 2018

On 2018-06-18 17:24, Bob Willcox wrote:
> Is there a way to limit the size of the ZFS ARC cache? I am running a
> 12-current system with 32GB of memory and the ZFS ARC grows to a hughe 
> size,
> to the point where my running processes (such as firefox) start page
> thrashing.

The sysctl variables vfs.zfs.arc_min and vfs.zfs.arc_max may very well 
be what you're looking for.

Regards, Frank.

More information about the freebsd-questions mailing list