diff --git a/apps/emqx_durable_storage/include/emqx_ds_metrics.hrl b/apps/emqx_durable_storage/include/emqx_ds_metrics.hrl
index a76289eb9..4e463b14f 100644
--- a/apps/emqx_durable_storage/include/emqx_ds_metrics.hrl
+++ b/apps/emqx_durable_storage/include/emqx_ds_metrics.hrl
@@ -35,15 +35,15 @@
 -define(DS_STORE_BATCH_TIME, emqx_ds_store_batch_time).
 -define(DS_BUILTIN_NEXT_TIME, emqx_ds_builtin_next_time).
 
-%%% LTS Storage counters:
+%%% Bitfield LTS Storage counters:
 
 %% This counter is incremented when the iterator seeks to the next interval:
--define(DS_LTS_SEEK_COUNTER, emqx_ds_storage_bitfield_lts_counter_seek).
+-define(DS_BITFIELD_LTS_SEEK_COUNTER, emqx_ds_storage_bitfield_lts_counter_seek).
 %% This counter is incremented when the iterator proceeds to the next
 %% key within the interval (this is is best case scenario):
--define(DS_LTS_NEXT_COUNTER, emqx_ds_storage_bitfield_lts_counter_next).
+-define(DS_BITFIELD_LTS_NEXT_COUNTER, emqx_ds_storage_bitfield_lts_counter_next).
 %% This counter is incremented when the key passes bitmask check, but
 %% the value is rejected by the subsequent post-processing:
--define(DS_LTS_COLLISION_COUNTER, emqx_ds_storage_bitfield_lts_counter_collision).
+-define(DS_BITFIELD_LTS_COLLISION_COUNTER, emqx_ds_storage_bitfield_lts_counter_collision).
 
 -endif.
diff --git a/apps/emqx_durable_storage/src/emqx_ds_builtin_metrics.erl b/apps/emqx_durable_storage/src/emqx_ds_builtin_metrics.erl
index d48cd0e34..107e2e5e6 100644
--- a/apps/emqx_durable_storage/src/emqx_ds_builtin_metrics.erl
+++ b/apps/emqx_durable_storage/src/emqx_ds_builtin_metrics.erl
@@ -57,9 +57,9 @@
 
 -define(STORAGE_LAYER_METRICS, [
     {slide, ?DS_STORE_BATCH_TIME},
-    {counter, ?DS_LTS_SEEK_COUNTER},
-    {counter, ?DS_LTS_NEXT_COUNTER},
-    {counter, ?DS_LTS_COLLISION_COUNTER}
+    {counter, ?DS_BITFIELD_LTS_SEEK_COUNTER},
+    {counter, ?DS_BITFIELD_LTS_NEXT_COUNTER},
+    {counter, ?DS_BITFIELD_LTS_COLLISION_COUNTER}
 ]).
 
 -define(FETCH_METRICS, [
@@ -150,15 +150,15 @@ observe_next_time(DB, NextTime) ->
 
 -spec inc_lts_seek_counter(emqx_ds_storage_layer:shard_id(), non_neg_integer()) -> ok.
 inc_lts_seek_counter({DB, _}, Inc) ->
-    catch emqx_metrics_worker:inc(?WORKER, DB, ?DS_LTS_SEEK_COUNTER, Inc).
+    catch emqx_metrics_worker:inc(?WORKER, DB, ?DS_BITFIELD_LTS_SEEK_COUNTER, Inc).
 
 -spec inc_lts_next_counter(emqx_ds_storage_layer:shard_id(), non_neg_integer()) -> ok.
 inc_lts_next_counter({DB, _}, Inc) ->
-    catch emqx_metrics_worker:inc(?WORKER, DB, ?DS_LTS_NEXT_COUNTER, Inc).
+    catch emqx_metrics_worker:inc(?WORKER, DB, ?DS_BITFIELD_LTS_NEXT_COUNTER, Inc).
 
 -spec inc_lts_collision_counter(emqx_ds_storage_layer:shard_id(), non_neg_integer()) -> ok.
 inc_lts_collision_counter({DB, _}, Inc) ->
-    catch emqx_metrics_worker:inc(?WORKER, DB, ?DS_LTS_COLLISION_COUNTER, Inc).
+    catch emqx_metrics_worker:inc(?WORKER, DB, ?DS_BITFIELD_LTS_COLLISION_COUNTER, Inc).
 
 prometheus_meta() ->
     lists:map(
diff --git a/apps/emqx_durable_storage/src/emqx_ds_storage_bitfield_lts.erl b/apps/emqx_durable_storage/src/emqx_ds_storage_bitfield_lts.erl
index a161cb8d8..23225a5f6 100644
--- a/apps/emqx_durable_storage/src/emqx_ds_storage_bitfield_lts.erl
+++ b/apps/emqx_durable_storage/src/emqx_ds_storage_bitfield_lts.erl
@@ -156,7 +156,9 @@
 -define(DIM_TOPIC, 1).
 -define(DIM_TS, 2).
 
--define(DS_LTS_COUNTERS, [?DS_LTS_SEEK_COUNTER, ?DS_LTS_NEXT_COUNTER, ?DS_LTS_COLLISION_COUNTER]).
+-define(DS_LTS_COUNTERS, [
+    ?DS_BITFIELD_LTS_SEEK_COUNTER, ?DS_BITFIELD_LTS_NEXT_COUNTER, ?DS_BITFIELD_LTS_COLLISION_COUNTER
+]).
 
 %% GVar used for idle detection:
 -define(IDLE_DETECT, idle_detect).
@@ -637,7 +639,7 @@ next_loop(ITHandle, KeyMapper, Filter, Cutoff, It0, Acc0, N0) ->
         Key1 ->
             %% assert
             true = Key1 > Key0,
-            inc_counter(?DS_LTS_SEEK_COUNTER),
+            inc_counter(?DS_BITFIELD_LTS_SEEK_COUNTER),
             case rocksdb:iterator_move(ITHandle, {seek, Key1}) of
                 {ok, Key, Val} ->
                     {N, It, Acc} = traverse_interval(
@@ -663,7 +665,7 @@ traverse_interval(ITHandle, KeyMapper, Filter, Cutoff, Key, Val, It0, Acc0, N) -
                     Acc = [{Key, Msg} | Acc0],
                     traverse_interval(ITHandle, KeyMapper, Filter, Cutoff, It, Acc, N - 1);
                 false ->
-                    inc_counter(?DS_LTS_COLLISION_COUNTER),
+                    inc_counter(?DS_BITFIELD_LTS_COLLISION_COUNTER),
                     traverse_interval(ITHandle, KeyMapper, Filter, Cutoff, It, Acc0, N)
             end;
         overflow ->
@@ -675,7 +677,7 @@ traverse_interval(ITHandle, KeyMapper, Filter, Cutoff, Key, Val, It0, Acc0, N) -
 traverse_interval(_ITHandle, _KeyMapper, _Filter, _Cutoff, It, Acc, 0) ->
     {0, It, Acc};
 traverse_interval(ITHandle, KeyMapper, Filter, Cutoff, It, Acc, N) ->
-    inc_counter(?DS_LTS_NEXT_COUNTER),
+    inc_counter(?DS_BITFIELD_LTS_NEXT_COUNTER),
     case rocksdb:iterator_move(ITHandle, next) of
         {ok, Key, Val} ->
             traverse_interval(ITHandle, KeyMapper, Filter, Cutoff, Key, Val, It, Acc, N);
@@ -695,7 +697,7 @@ delete_next_loop(LoopContext0) ->
         iterated_over := AccIter0,
         it_handle := ITHandle
     } = LoopContext0,
-    inc_counter(?DS_LTS_SEEK_COUNTER),
+    inc_counter(?DS_BITFIELD_LTS_SEEK_COUNTER),
     #{?tag := ?DELETE_IT, ?last_seen_key := Key0} = It0,
     case emqx_ds_bitmask_keymapper:bin_increment(Filter, Key0) of
         overflow ->
@@ -777,7 +779,7 @@ delete_traverse_interval1(LoopContext0) ->
         iterated_over := AccIter,
         storage_iter := It
     } = LoopContext0,
-    inc_counter(?DS_LTS_NEXT_COUNTER),
+    inc_counter(?DS_BITFIELD_LTS_NEXT_COUNTER),
     case rocksdb:iterator_move(ITHandle, next) of
         {ok, Key, Val} ->
             delete_traverse_interval(LoopContext0#{
@@ -940,9 +942,11 @@ init_counters() ->
     ok.
 
 report_counters(Shard) ->
-    emqx_ds_builtin_metrics:inc_lts_seek_counter(Shard, get(?DS_LTS_SEEK_COUNTER)),
-    emqx_ds_builtin_metrics:inc_lts_next_counter(Shard, get(?DS_LTS_NEXT_COUNTER)),
-    emqx_ds_builtin_metrics:inc_lts_collision_counter(Shard, get(?DS_LTS_COLLISION_COUNTER)),
+    emqx_ds_builtin_metrics:inc_lts_seek_counter(Shard, get(?DS_BITFIELD_LTS_SEEK_COUNTER)),
+    emqx_ds_builtin_metrics:inc_lts_next_counter(Shard, get(?DS_BITFIELD_LTS_NEXT_COUNTER)),
+    emqx_ds_builtin_metrics:inc_lts_collision_counter(
+        Shard, get(?DS_BITFIELD_LTS_COLLISION_COUNTER)
+    ),
     _ = [erase(I) || I <- ?DS_LTS_COUNTERS],
     ok.
 
diff --git a/apps/emqx_prometheus/src/emqx_prometheus.erl b/apps/emqx_prometheus/src/emqx_prometheus.erl
index 5d88ebd17..e205952d2 100644
--- a/apps/emqx_prometheus/src/emqx_prometheus.erl
+++ b/apps/emqx_prometheus/src/emqx_prometheus.erl
@@ -512,9 +512,9 @@ emqx_collect(K = ?DS_BUFFER_BYTES, D) -> counter_metrics(?MG(K, D, []));
 emqx_collect(K = ?DS_BUFFER_FLUSH_TIME, D) -> gauge_metrics(?MG(K, D, []));
 emqx_collect(K = ?DS_STORE_BATCH_TIME, D) -> gauge_metrics(?MG(K, D, []));
 emqx_collect(K = ?DS_BUILTIN_NEXT_TIME, D) -> gauge_metrics(?MG(K, D, []));
-emqx_collect(K = ?DS_LTS_SEEK_COUNTER, D) -> counter_metrics(?MG(K, D, []));
-emqx_collect(K = ?DS_LTS_NEXT_COUNTER, D) -> counter_metrics(?MG(K, D, []));
-emqx_collect(K = ?DS_LTS_COLLISION_COUNTER, D) -> counter_metrics(?MG(K, D, [])).
+emqx_collect(K = ?DS_BITFIELD_LTS_SEEK_COUNTER, D) -> counter_metrics(?MG(K, D, []));
+emqx_collect(K = ?DS_BITFIELD_LTS_NEXT_COUNTER, D) -> counter_metrics(?MG(K, D, []));
+emqx_collect(K = ?DS_BITFIELD_LTS_COLLISION_COUNTER, D) -> counter_metrics(?MG(K, D, [])).
 
 %%--------------------------------------------------------------------
 %% Indicators