diff --git a/mon/mon.js b/mon/mon.js
index a7ed66a6..56e6a573 100644
--- a/mon/mon.js
+++ b/mon/mon.js
@@ -113,10 +113,10 @@ const etcd_tree = {
             client_queue_depth: 128, // unused
             recovery_queue_depth: 1,
             recovery_sleep_us: 0,
-            recovery_tune_min_util: 0.1,
-            recovery_tune_min_client_util: 0,
-            recovery_tune_max_util: 1.0,
-            recovery_tune_max_client_util: 0.5,
+            recovery_tune_util_low: 0.1,
+            recovery_tune_client_util_low: 0,
+            recovery_tune_util_high: 1.0,
+            recovery_tune_client_util_high: 0.5,
             recovery_tune_interval: 1,
             recovery_tune_agg_interval: 10, // 10 times recovery_tune_interval
             recovery_tune_sleep_min_us: 10, // 10 microseconds
diff --git a/src/osd.cpp b/src/osd.cpp
index 4593af7d..645188ed 100644
--- a/src/osd.cpp
+++ b/src/osd.cpp
@@ -209,14 +209,14 @@ void osd_t::parse_config(bool init)
     if (recovery_queue_depth < 1 || recovery_queue_depth > MAX_RECOVERY_QUEUE)
         recovery_queue_depth = DEFAULT_RECOVERY_QUEUE;
     recovery_sleep_us = config["recovery_sleep_us"].uint64_value();
-    recovery_tune_min_util = config["recovery_tune_min_util"].is_null()
-        ? 0.1 : config["recovery_tune_min_util"].number_value();
-    recovery_tune_max_util = config["recovery_tune_max_util"].is_null()
-        ? 1.0 : config["recovery_tune_max_util"].number_value();
-    recovery_tune_min_client_util = config["recovery_tune_min_client_util"].is_null()
-        ? 0 : config["recovery_tune_min_client_util"].number_value();
-    recovery_tune_max_client_util = config["recovery_tune_max_client_util"].is_null()
-        ? 0.5 : config["recovery_tune_max_client_util"].number_value();
+    recovery_tune_util_low = config["recovery_tune_util_low"].is_null()
+        ? 0.1 : config["recovery_tune_util_low"].number_value();
+    recovery_tune_util_high = config["recovery_tune_util_high"].is_null()
+        ? 1.0 : config["recovery_tune_util_high"].number_value();
+    recovery_tune_client_util_low = config["recovery_tune_client_util_low"].is_null()
+        ? 0 : config["recovery_tune_client_util_low"].number_value();
+    recovery_tune_client_util_high = config["recovery_tune_client_util_high"].is_null()
+        ? 0.5 : config["recovery_tune_client_util_high"].number_value();
     auto old_recovery_tune_interval = recovery_tune_interval;
     recovery_tune_interval = config["recovery_tune_interval"].is_null()
         ? 1 : config["recovery_tune_interval"].uint64_value();
diff --git a/src/osd.h b/src/osd.h
index dce93d5b..49f27c15 100644
--- a/src/osd.h
+++ b/src/osd.h
@@ -118,10 +118,10 @@ class osd_t
     int autosync_writes = DEFAULT_AUTOSYNC_WRITES;
     uint64_t recovery_queue_depth = 1;
     uint64_t recovery_sleep_us = 0;
-    double recovery_tune_min_util = 0.1;
-    double recovery_tune_min_client_util = 0;
-    double recovery_tune_max_util = 1.0;
-    double recovery_tune_max_client_util = 0.5;
+    double recovery_tune_util_low = 0.1;
+    double recovery_tune_client_util_low = 0;
+    double recovery_tune_util_high = 1.0;
+    double recovery_tune_client_util_high = 0.5;
     int recovery_tune_interval = 1;
     int recovery_tune_agg_interval = 10;
     int recovery_tune_sleep_min_us = 10;
diff --git a/src/osd_flush.cpp b/src/osd_flush.cpp
index bbac2d49..2401948d 100644
--- a/src/osd_flush.cpp
+++ b/src/osd_flush.cpp
@@ -412,11 +412,11 @@ void osd_t::tune_recovery()
     //            = 0.0625
     // recovery utilisation will be 1
     rtune_client_util = total_client_usec/1000000.0/recovery_tune_interval;
-    rtune_target_util = (rtune_client_util < recovery_tune_min_client_util
-        ? recovery_tune_max_util
-        : recovery_tune_min_util + (rtune_client_util >= recovery_tune_max_client_util
-            ? 0 : (recovery_tune_max_util-recovery_tune_min_util)*
-                (recovery_tune_max_client_util-rtune_client_util)/(recovery_tune_max_client_util-recovery_tune_min_client_util)
+    rtune_target_util = (rtune_client_util < recovery_tune_client_util_low
+        ? recovery_tune_util_high
+        : recovery_tune_util_low + (rtune_client_util >= recovery_tune_client_util_high
+            ? 0 : (recovery_tune_util_high-recovery_tune_util_low)*
+                (recovery_tune_client_util_high-rtune_client_util)/(recovery_tune_client_util_high-recovery_tune_client_util_low)
         )
     );
     rtune_avg_lat = total_recovery_usec/recovery_count;
diff --git a/tests/run_3osds.sh b/tests/run_3osds.sh
index e6afb7dc..5d54676e 100644
--- a/tests/run_3osds.sh
+++ b/tests/run_3osds.sh
@@ -19,10 +19,10 @@ fi
 
 if [ "$IMMEDIATE_COMMIT" != "" ]; then
     NO_SAME="--journal_no_same_sector_overwrites true --journal_sector_buffer_count 1024 --disable_data_fsync 1 --immediate_commit all --log_level 10 --etcd_stats_interval 5"
-    $ETCDCTL put /vitastor/config/global '{"recovery_queue_depth":1,"recovery_tune_min_util":1,"osd_out_time":1,"immediate_commit":"all","client_enable_writeback":true}'
+    $ETCDCTL put /vitastor/config/global '{"recovery_queue_depth":1,"recovery_tune_util_low":1,"osd_out_time":1,"immediate_commit":"all","client_enable_writeback":true}'
 else
     NO_SAME="--journal_sector_buffer_count 1024 --log_level 10 --etcd_stats_interval 5"
-    $ETCDCTL put /vitastor/config/global '{"recovery_queue_depth":1,"recovery_tune_min_util":1,"osd_out_time":1,"client_enable_writeback":true}'
+    $ETCDCTL put /vitastor/config/global '{"recovery_queue_depth":1,"recovery_tune_util_low":1,"osd_out_time":1,"client_enable_writeback":true}'
 fi
 
 start_osd_on()