diff --git a/src/main/java/com/nhn/pinpoint/web/applicationmap/ApplicationMap.java b/src/main/java/com/nhn/pinpoint/web/applicationmap/ApplicationMap.java
index d5b59761e..b5a11a8c4 100644
--- a/src/main/java/com/nhn/pinpoint/web/applicationmap/ApplicationMap.java
+++ b/src/main/java/com/nhn/pinpoint/web/applicationmap/ApplicationMap.java
@@ -82,14 +82,40 @@ public class ApplicationMap {
         return applicationNames.contains(applicationName);
     }
 
-    public void appendResponseTime(Range range, MapResponseDao mapResponseDao) {
-        List<Node> nodes = this.nodeList.getNodeList();
+    public static interface ResponseDataSource {
+        ResponseHistogramSummary getResponseHistogramSummary(Application application);
+    }
+
+    public void appendResponseTime(final Range range, final MapResponseDao mapResponseDao) {
+        appendResponseTime(new ResponseDataSource() {
+            @Override
+            public ResponseHistogramSummary getResponseHistogramSummary(Application application) {
+                final List<RawResponseTime> responseHistogram = mapResponseDao.selectResponseTime(application, range);
+                return createHistogramSummary(application, responseHistogram);
+            }
+        });
+    }
+
+    public void appendResponseTime(final Map<Application, ResponseHistogramSummary> histogramSummaryMap) {
+        appendResponseTime(new ResponseDataSource() {
+            @Override
+            public ResponseHistogramSummary getResponseHistogramSummary(Application application) {
+                return histogramSummaryMap.get(application);
+            }
+        });
+    }
+
+    public void appendResponseTime(ResponseDataSource responseDataSource) {
+        if (responseDataSource == null) {
+            throw new NullPointerException("responseDataSource must not be null");
+        }
+
+        final List<Node> nodes = this.nodeList.getNodeList();
         for (Node node : nodes) {
             if (node.getServiceType().isWas()) {
                 // was일 경우 자신의 response 히스토그램을 조회하여 채운다.
                 final Application application = new Application(node.getApplicationName(), node.getServiceType());
-                final List<RawResponseTime> responseHistogram = mapResponseDao.selectResponseTime(application, range);
-                ResponseHistogramSummary histogramSummary = createHistogramSummary(application, responseHistogram);
+                ResponseHistogramSummary histogramSummary = responseDataSource.getResponseHistogramSummary(application);
                 node.setResponseHistogramSummary(histogramSummary);
             } else if(node.getServiceType().isTerminal() || node.getServiceType().isUnknown()) {
                 // 터미널 노드인경우, 자신을 가리키는 link값을 합하여 histogram을 생성한다.
diff --git a/src/main/java/com/nhn/pinpoint/web/applicationmap/rawdata/ResponseHistogram.java b/src/main/java/com/nhn/pinpoint/web/applicationmap/rawdata/ResponseHistogram.java
index f50e00c12..6d40224fc 100644
--- a/src/main/java/com/nhn/pinpoint/web/applicationmap/rawdata/ResponseHistogram.java
+++ b/src/main/java/com/nhn/pinpoint/web/applicationmap/rawdata/ResponseHistogram.java
@@ -40,6 +40,12 @@ public class ResponseHistogram implements JsonSerializable {
 		this.histogramSchema = serviceType.getHistogramSchema();
 	}
 
+    public void addElapsedTime(int elapsedTime) {
+        HistogramSlot histogramSlot = histogramSchema.findHistogramSlot(elapsedTime);
+        short slotTime = histogramSlot.getSlotTime();
+        addSample(slotTime, 1);
+    }
+
     public ResponseHistogram(final short serviceType) {
         this(ServiceType.findServiceType(serviceType));
     }
@@ -56,6 +62,7 @@ public class ResponseHistogram implements JsonSerializable {
 			this.errorCount += count;
 			return;
 		}
+        // TODO slotTime 은 <= 아니고 ==으로 수정되어야함.
         if (slotTime <= histogramSchema.getFastSlot().getSlotTime()) {
             this.fastCount += count;
             return;
diff --git a/src/main/java/com/nhn/pinpoint/web/service/FilteredApplicationMapServiceImpl.java b/src/main/java/com/nhn/pinpoint/web/service/FilteredApplicationMapServiceImpl.java
index e7ac96a0d..8333d8db9 100755
--- a/src/main/java/com/nhn/pinpoint/web/service/FilteredApplicationMapServiceImpl.java
+++ b/src/main/java/com/nhn/pinpoint/web/service/FilteredApplicationMapServiceImpl.java
@@ -13,6 +13,7 @@ import com.nhn.pinpoint.common.HistogramSchema;
 import com.nhn.pinpoint.common.HistogramSlot;
 import com.nhn.pinpoint.web.applicationmap.ApplicationMapBuilder;
 import com.nhn.pinpoint.web.applicationmap.rawdata.LinkStatistics;
+import com.nhn.pinpoint.web.applicationmap.rawdata.ResponseHistogram;
 import com.nhn.pinpoint.web.dao.*;
 import com.nhn.pinpoint.web.vo.*;
 import org.apache.commons.collections.CollectionUtils;
@@ -193,6 +194,7 @@ public class FilteredApplicationMapServiceImpl implements FilteredApplicationMap
         final Map<NodeId, LinkStatistics> linkStatMap = new HashMap<NodeId, LinkStatistics>();
 
         final TimeSeriesStore timeSeriesStore = new TimeSeriesStoreImpl2(range);
+        final Map<Application, ResponseHistogramSummary> responseHistogramSummaryMap = new HashMap<Application, ResponseHistogramSummary>();
         /**
          * 통계정보로 변환한다.
          */
@@ -206,6 +208,9 @@ public class FilteredApplicationMapServiceImpl implements FilteredApplicationMap
             }
 
             for (SpanBo span : transaction) {
+                // SPAN의 respoinseTime의 통계를 저장한다.
+                recordSpanResponseTime(span, responseHistogramSummaryMap);
+
                 final Node srcNode = createNode(span, transactionSpanMap);
                 final Node destNode = new Node(span.getApplicationId(), span.getServiceType());
                 // record해야 되거나. rpc콜은 링크이다.
@@ -244,12 +249,31 @@ public class FilteredApplicationMapServiceImpl implements FilteredApplicationMap
         List<LinkStatistics> linkStatisticsList = new ArrayList<LinkStatistics>(linkStatMap.values());
         ApplicationMap map = new ApplicationMapBuilder().build(linkStatisticsList);
         map.setTimeSeriesStore(timeSeriesStore);
-        map.appendResponseTime(range, this.mapResponseDao);
+        map.appendResponseTime(responseHistogramSummaryMap);
 
 
         return map;
     }
 
+    private void recordSpanResponseTime(SpanBo span, Map<Application, ResponseHistogramSummary> responseHistogramSummaryMap) {
+        ServiceType serviceType = span.getServiceType();
+        String applicationId = span.getApplicationId();
+        Application spanKey = new Application(applicationId, serviceType);
+        ResponseHistogramSummary responseHistogramSummary = responseHistogramSummaryMap.get(spanKey);
+        if (responseHistogramSummary == null) {
+            responseHistogramSummary = new ResponseHistogramSummary(spanKey);
+            responseHistogramSummaryMap.put(spanKey, responseHistogramSummary);
+        }
+
+        ResponseHistogram histogram = new ResponseHistogram(serviceType);
+        if (span.getErrCode() != 0) {
+            histogram.addElapsedTime(HistogramSchema.ERROR_SLOT_TIME);
+        } else {
+            histogram.addElapsedTime(span.getElapsed());
+        }
+        responseHistogramSummary.addTotal(histogram);
+    }
+
 
     private void addNodeFromSpanEvent(SpanBo span, Map<NodeId, LinkStatistics> statisticsMap, TimeSeriesStore timeSeriesStore, Map<Long, SpanBo> transactionSpanMap) {
         /**
diff --git a/src/main/java/com/nhn/pinpoint/web/vo/ResponseHistogramSummary.java b/src/main/java/com/nhn/pinpoint/web/vo/ResponseHistogramSummary.java
index 3f25e3eeb..1eb9deb94 100644
--- a/src/main/java/com/nhn/pinpoint/web/vo/ResponseHistogramSummary.java
+++ b/src/main/java/com/nhn/pinpoint/web/vo/ResponseHistogramSummary.java
@@ -9,7 +9,7 @@ public class ResponseHistogramSummary {
 
     private final Application application;
 
-    private final com.nhn.pinpoint.web.applicationmap.rawdata.ResponseHistogram total;
+    private final ResponseHistogram total;
 
     public ResponseHistogramSummary(Application application) {
         if (application == null) {