Live mod for PVE on zfs, restore on host reboot
8*1024*1024*1024
16*1024*1024*1024
Min 8Gb Max 16GB ( 4Gb base + 1Gb @ Tb of Raw Disk)
echo “$[1 * 1024*1024*1024]” >/sys/module/zfs/parameters/zfs_arc_min
echo “$[2 * 1024*1024*1024]” >/sys/module/zfs/parameters/zfs_arc_max
mode for PVE on zfs, permanent
Min 8Gb Max 16GB ( 4Gb base + 1Gb @ Tb of Raw Disk)
edit : /etc/modprobe.d/zfs.conf with:
options zfs zfs_arc_max=17179869184
options zfs zfs_arc_min=8589934592
save and rebuild initramfs
update-initramfs -u
reboot