diff --git a/web/src/main/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapper.java b/web/src/main/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapper.java
index 8e3242efc..002e48bac 100644
--- a/web/src/main/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapper.java
+++ b/web/src/main/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapper.java
@@ -29,15 +29,22 @@ import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.util.Bytes;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.hadoop.hbase.RowMapper;
 import org.springframework.stereotype.Component;
 
+import java.util.Arrays;
+
 /**
  * @author emeroad
  */
 @Component
 public class ResponseTimeMapper implements RowMapper<ResponseTime> {
+
+    private final Logger logger = LoggerFactory.getLogger(this.getClass());
+
     @Autowired
     private ServiceTypeRegistryService registry;
 
@@ -46,28 +53,33 @@ public class ResponseTimeMapper implements RowMapper<ResponseTime> {
         if (result.isEmpty()) {
             return null;
         }
+
         final byte[] rowKey = result.getRow();
+
         ResponseTime responseTime = createResponseTime(rowKey);
-
         for (Cell cell : result.rawCells()) {
-            if (!CellUtil.matchingFamily(cell, HBaseTables.MAP_STATISTICS_SELF_CF_COUNTER)) {
-                continue;
+            if (CellUtil.matchingFamily(cell, HBaseTables.MAP_STATISTICS_SELF_CF_COUNTER)) {
+                recordColumn(responseTime, cell);
             }
-            byte[] qualifier = CellUtil.cloneQualifier(cell);
 
-            recordColumn(responseTime, qualifier, cell.getValueArray(), cell.getValueOffset());
+            if (logger.isDebugEnabled()) {
+                logger.debug("unknown column family:{}", Arrays.toString(CellUtil.cloneFamily(cell)));
+            }
         }
         return responseTime;
     }
 
 
 
-    void recordColumn(ResponseTime responseTime, byte[] qualifier, byte[] value, int valueOffset) {
+    void recordColumn(ResponseTime responseTime, Cell cell) {
+
+        final byte[] qArray = cell.getQualifierArray();
+        final int qOffset = cell.getQualifierOffset();
+        short slotNumber = Bytes.toShort(qArray, qOffset);
 
-        short slotNumber = Bytes.toShort(qualifier);
         // agentId should be added as data.
-        String agentId = Bytes.toString(qualifier, BytesUtils.SHORT_BYTE_LENGTH, qualifier.length - BytesUtils.SHORT_BYTE_LENGTH);
-        long count = Bytes.toLong(value, valueOffset);
+        String agentId = Bytes.toString(qArray, qOffset + BytesUtils.SHORT_BYTE_LENGTH, cell.getQualifierLength() - BytesUtils.SHORT_BYTE_LENGTH);
+        long count = Bytes.toLong(cell.getValueArray(), cell.getValueOffset());
         responseTime.addResponseTime(agentId, slotNumber, count);
     }
 
diff --git a/web/src/test/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapperTest.java b/web/src/test/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapperTest.java
index d6772870c..4bcb44905 100644
--- a/web/src/test/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapperTest.java
+++ b/web/src/test/java/com/navercorp/pinpoint/web/mapper/ResponseTimeMapperTest.java
@@ -21,9 +21,12 @@ import com.navercorp.pinpoint.common.buffer.Buffer;
 import com.navercorp.pinpoint.common.trace.HistogramSlot;
 import com.navercorp.pinpoint.common.trace.ServiceType;
 import com.navercorp.pinpoint.web.applicationmap.histogram.Histogram;
-import com.navercorp.pinpoint.web.mapper.ResponseTimeMapper;
 import com.navercorp.pinpoint.web.vo.ResponseTime;
 
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.CellUtil;
+import org.apache.hadoop.hbase.HConstants;
+import org.apache.hadoop.hbase.KeyValue;
 import org.junit.Assert;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.junit.Test;
@@ -35,16 +38,20 @@ public class ResponseTimeMapperTest {
 
     @Test
     public void testResponseTimeMapperTest() throws Exception {
-        ResponseTimeMapper responseTimeMapper = new ResponseTimeMapper();
-        ResponseTime responseTime = new ResponseTime("applicationName", ServiceType.STAND_ALONE, System.currentTimeMillis());
 
         Buffer buffer = new AutomaticBuffer();
         HistogramSlot histogramSlot = ServiceType.STAND_ALONE.getHistogramSchema().findHistogramSlot(1000);
         short histogramSlotTime = histogramSlot.getSlotTime();
         buffer.put(histogramSlotTime);
         buffer.put(Bytes.toBytes("agent"));
+        byte[] bufferArray = buffer.getBuffer();
+        byte[] valueArray = Bytes.toBytes(1L);
 
-        responseTimeMapper.recordColumn(responseTime, buffer.getBuffer(), Bytes.toBytes(1L), 0);
+        Cell mockCell = CellUtil.createCell(HConstants.EMPTY_BYTE_ARRAY, HConstants.EMPTY_BYTE_ARRAY, bufferArray, HConstants.LATEST_TIMESTAMP, KeyValue.Type.Maximum.getCode(), valueArray);
+
+        ResponseTimeMapper responseTimeMapper = new ResponseTimeMapper();
+        ResponseTime responseTime = new ResponseTime("applicationName", ServiceType.STAND_ALONE, System.currentTimeMillis());
+        responseTimeMapper.recordColumn(responseTime, mockCell);
 
         Histogram agentHistogram = responseTime.findHistogram("agent");
         long fastCount = agentHistogram.getFastCount();