Zfs-stats
From wikinotes
Supplementary utility that exposes zfs resource usage, primarily targeted at FreeBSD.
Documentation
github https://github.com/mmatuska/zfs-stats/ homepage http://www.vx.sk/zfs-stats/
Example
zfs-stats -M ------------------------------------------------------------------------ ZFS Subsystem Report Sun Sep 13 17:06:12 2020 ------------------------------------------------------------------------ System Memory: 21.04% 3.24 GiB Active, 5.57% 879.22 MiB Inact 16.20% 2.50 GiB Wired, 0.00% 0 Bytes Cache 57.17% 8.81 GiB Free, 0.02% 3.32 MiB Gap Real Installed: 16.00 GiB Real Available: 99.06% 15.85 GiB Real Managed: 97.28% 15.42 GiB Logical Total: 16.00 GiB Logical Used: 39.54% 6.33 GiB Logical Free: 60.46% 9.67 GiB Kernel Memory: 462.54 MiB Data: 91.30% 422.29 MiB Text: 8.70% 40.25 MiB Kernel Memory Map: 15.42 GiB Size: 14.17% 2.18 GiB Free: 85.83% 13.23 GiB ------------------------------------------------------------------------
Usage
zfs-stats -h # help zfs-stats -I # zfs/zpool version info zfs-stats -M # Memory usage report zfs-stats -E # ARC efficiency report
