+------------------------+-------------+--------+-------+
| background recovery | 25% | 1 | 100% |
+------------------------+-------------+--------+-------+
-| background best effort | 25% | 1 | MAX |
+| background best effort | 25% | 2 | MAX |
+------------------------+-------------+--------+-------+
balanced
+------------------------+-------------+--------+-------+
| background recovery | 40% | 1 | 150% |
+------------------------+-------------+--------+-------+
-| background best effort | 20% | 1 | MAX |
+| background best effort | 20% | 2 | MAX |
+------------------------+-------------+--------+-------+
high_recovery_ops
+------------------------+-------------+--------+-------+
| background recovery | 60% | 2 | 200% |
+------------------------+-------------+--------+-------+
-| background best effort | 1 (MIN) | 1 | MAX |
+| background best effort | 1 (MIN) | 2 | MAX |
+------------------------+-------------+--------+-------+
custom