diff --git a/src/dist/replication/lib/replica.h b/src/dist/replication/lib/replica.h
index c44595cbf9..ec4baafb25 100644
--- a/src/dist/replication/lib/replica.h
+++ b/src/dist/replication/lib/replica.h
@@ -234,12 +234,12 @@ class replica : public serverlet<replica>, public ref_counter, public replica_ba
     void notify_learn_completion();
     error_code apply_learned_state_from_private_log(learn_state &state);
 
-    bool prepare_learn_from_cache(const learn_request &request,
-                                  decree learn_start_decree,
-                                  decree local_committed_decree,
-                                  remote_learner_state &learner_state,
-                                  learn_response &response,
-                                  bool &delayed_replay_prepare_list);
+    bool prepare_cached_learn_state(const learn_request &request,
+                                    decree learn_start_decree,
+                                    decree local_committed_decree,
+                                    remote_learner_state &learner_state,
+                                    learn_response &response,
+                                    bool &delayed_replay_prepare_list);
 
     /////////////////////////////////////////////////////////////////
     // failure handling
diff --git a/src/dist/replication/lib/replica_learn.cpp b/src/dist/replication/lib/replica_learn.cpp
index 37ab8347d0..484e121ac2 100644
--- a/src/dist/replication/lib/replica_learn.cpp
+++ b/src/dist/replication/lib/replica_learn.cpp
@@ -347,12 +347,12 @@ void replica::on_learn(dsn::message_ex *msg, const learn_request &request)
 
     // learn delta state or checkpoint
     // in this case, the state on the PS is still incomplete
-    if (!prepare_learn_from_cache(request,
-                                  learn_start_decree,
-                                  local_committed_decree,
-                                  learn_state,
-                                  response,
-                                  delayed_replay_prepare_list)) {
+    if (!prepare_cached_learn_state(request,
+                                    learn_start_decree,
+                                    local_committed_decree,
+                                    learner_state,
+                                    response,
+                                    delayed_replay_prepare_list)) {
         if (learn_start_decree > _app->last_durable_decree()) {
             ddebug("%s: on_learn[%016" PRIx64 "]: learner = %s, choose to learn private logs, "
                    "because learn_start_decree(%" PRId64 ") > _app->last_durable_decree(%" PRId64