diff --git a/internal/core/src/segcore/reduce_c.cpp b/internal/core/src/segcore/reduce_c.cpp
index 0f2ccb56f5b2b29746fcd32ec39c13e993763c8c..614963e7839647ea19c41500a523a3ea6d1dede2 100644
--- a/internal/core/src/segcore/reduce_c.cpp
+++ b/internal/core/src/segcore/reduce_c.cpp
@@ -83,6 +83,7 @@ GetResultData(std::vector<std::vector<int64_t>>& search_records,
         search_records[index].push_back(result_pair.offset_++);
     }
 #else
+    int64_t skip_dup_cnt = 0;
     float prev_dis = MAXFLOAT;
     std::unordered_set<int64_t> prev_pk_set;
     while (loc_offset - query_offset < topk) {
@@ -111,11 +112,14 @@ GetResultData(std::vector<std::vector<int64_t>>& search_records,
                 prev_pk_set.insert(curr_pk);
             } else {
                 // the entity with same distance and same primary key must be duplicated
-                LOG_SEGCORE_DEBUG_ << "skip duplicated search result, primary key " << curr_pk;
+                skip_dup_cnt++;
             }
         }
         result_pair.offset_++;
     }
+    if (skip_dup_cnt > 0) {
+        LOG_SEGCORE_DEBUG_ << "skip duplicated search result, count = " << skip_dup_cnt;
+    }
 #endif
 }
 
diff --git a/internal/proxy/task.go b/internal/proxy/task.go
index 24b4285d14d34287ab52f80760901fbafb274ae2..f27597129b58b6129a51ff958149730ea2966d33 100644
--- a/internal/proxy/task.go
+++ b/internal/proxy/task.go
@@ -1925,6 +1925,7 @@ func reduceSearchResultData(searchResultData []*schemapb.SearchResultData, nq in
 		//printSearchResultData(sData, strconv.FormatInt(int64(i), 10))
 	}
 
+	var skipDupCnt int64 = 0
 	var realTopK int64 = -1
 	for i := int64(0); i < nq; i++ {
 		offsets := make([]int64, len(searchResultData))
@@ -1967,10 +1968,7 @@ func reduceSearchResultData(searchResultData []*schemapb.SearchResultData, nq in
 					j++
 				} else {
 					// entity with same id and same score must be duplicated
-					log.Debug("skip duplicated search result",
-						zap.Int64("id", id),
-						zap.Float32("score", score),
-						zap.Float32("prevScore", prevScore))
+					skipDupCnt++
 				}
 			}
 			offsets[sel]++
@@ -1982,7 +1980,9 @@ func reduceSearchResultData(searchResultData []*schemapb.SearchResultData, nq in
 		realTopK = j
 		ret.Results.Topks = append(ret.Results.Topks, realTopK)
 	}
-
+	if skipDupCnt > 0 {
+		log.Debug("skip duplicated search result", zap.Int64("count", skipDupCnt))
+	}
 	ret.Results.TopK = realTopK
 
 	if metricType != "IP" {