zfs_arc_min
Parameter
- Description
-
Determines the minimum size of the ZFS Adaptive Replacement Cache (ARC). See also zfs_arc_max Parameter.
- Data Type
-
Unsigned Integer (64-bit)
- Default
-
1% of total memory (
physmem
) - Range
-
Default value to
zfs_arc_max
- Units
-
Bytes
- Dynamic?
-
No
- Validation
-
Yes, the range is validated.
- When to Change
-
When a system's workload demand for memory fluctuates, the ZFS ARC caches data at a period of weak demand and then shrinks at a period of strong demand. However, ZFS does not shrink below the value of
zfs_arc_min
. Generally, you do not need to change the default value. - Commitment Level
-
Unstable