diff --git a/src/freenas/usr/lib/modprobe.d/truenas.conf b/src/freenas/usr/lib/modprobe.d/truenas.conf
index d5cae8458af72..236454db9609a 100644
--- a/src/freenas/usr/lib/modprobe.d/truenas.conf
+++ b/src/freenas/usr/lib/modprobe.d/truenas.conf
@@ -1,3 +1,3 @@
 options spl spl_panic_halt=1
-options zfs zfs_default_ibs=15
+options zfs zfs_default_ibs=15 zfs_arc_shrinker_limit=0 zfs_arc_pc_percent=300
 blacklist irdma