diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/RecordStreamProcessor.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/RecordStreamProcessor.java
index 04e772a5c12c83c52f0ba6cdf1067e0ab87752a5..6483a118f739b0a29e29fd716e692389e9b8b3e6 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/RecordStreamProcessor.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/RecordStreamProcessor.java
@@ -65,7 +65,7 @@ public class RecordStreamProcessor implements StreamProcessor<Record> {
         }
 
         IModelSetter modelSetter = moduleDefineHolder.find(CoreModule.NAME).provider().getService(IModelSetter.class);
-        Model model = modelSetter.putIfAbsent(recordClass, stream.scopeId(), new Storage(stream.name(), true, true, Downsampling.Minute));
+        Model model = modelSetter.putIfAbsent(recordClass, stream.scopeId(), new Storage(stream.name(), true, true, Downsampling.Second));
         RecordPersistentWorker persistentWorker = new RecordPersistentWorker(moduleDefineHolder, model, 1000, recordDAO);
 
         persistentWorkers.add(persistentWorker);
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNStreamProcessor.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNStreamProcessor.java
index 92a88a495150a169d77cec96c74a6490ad421ede..03ae693ef5cf3401bd726eb7ba031f77853f79ac 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNStreamProcessor.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNStreamProcessor.java
@@ -61,7 +61,7 @@ public class TopNStreamProcessor implements StreamProcessor<TopN> {
         }
 
         IModelSetter modelSetter = moduleDefineHolder.find(CoreModule.NAME).provider().getService(IModelSetter.class);
-        Model model = modelSetter.putIfAbsent(topNClass, stream.scopeId(), new Storage(stream.name(), true, true, Downsampling.Minute));
+        Model model = modelSetter.putIfAbsent(topNClass, stream.scopeId(), new Storage(stream.name(), true, true, Downsampling.Second));
 
         TopNWorker persistentWorker = new TopNWorker(moduleDefineHolder, model, 50, recordDAO);
         persistentWorkers.add(persistentWorker);
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/model/ModelName.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/model/ModelName.java
index 170e7f8ee16a443531306292cb2bb6932c2ec156..018ed8f266d337b44df1cae8882520b88e794d91 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/model/ModelName.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/model/ModelName.java
@@ -33,8 +33,8 @@ public class ModelName {
                 return modelName + Const.ID_SPLIT + Downsampling.Day.getName();
             case Hour:
                 return modelName + Const.ID_SPLIT + Downsampling.Hour.getName();
-            case Second:
-                return modelName + Const.ID_SPLIT + Downsampling.Second.getName();
+//            case Second:
+//                return modelName + Const.ID_SPLIT + Downsampling.Second.getName();
             default:
                 return modelName;
         }