diff --git a/src/test/java/com/nhn/pinpoint/collector/regionsplit/PreSplitRegionsTest.java b/src/test/java/com/nhn/pinpoint/collector/regionsplit/PreSplitRegionsTest.java
index 7bf29c407..8b1519266 100644
--- a/src/test/java/com/nhn/pinpoint/collector/regionsplit/PreSplitRegionsTest.java
+++ b/src/test/java/com/nhn/pinpoint/collector/regionsplit/PreSplitRegionsTest.java
@@ -3,36 +3,65 @@ package com.nhn.pinpoint.collector.regionsplit;
 import java.util.ArrayList;
 import java.util.List;
 
+import com.sematext.hbase.wd.AbstractRowKeyDistributor;
 import org.junit.Test;
 
 import com.sematext.hbase.wd.RowKeyDistributorByHashPrefix.OneByteSimpleHash;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration("classpath:applicationContext-test.xml")
 public class PreSplitRegionsTest {
 
-	int traceRegionNumber = 64;
+	int traceRegionNumber = 32;
 	int traceIndexRegionNumber = 32;
 	int agentStatRegionNumber = 32;
 
 	String tracesFormat = "create 'Traces', { NAME => 'S', TTL => 604800  }, { NAME => 'A', TTL => 604800  }, { NAME => 'T', TTL => 604800  }, %s";
 	String traceIndexFormat = "create 'ApplicationTraceIndex', { NAME => 'I', TTL => 604800  }, %s";
 	String agentStatFormat = "create 'AgentStat', { NAME => 'S', TTL => 604800  }, %s";
-	
+
+    @Autowired
+    @Qualifier("rowKeyDistributor")
+    private AbstractRowKeyDistributor rowKeyDistributor;
+
 	@Test
 	public void traceRegions() {
-		List<String> regions = new ArrayList<String>();
-		
-		int width = 256 / traceRegionNumber;
-		for (int onebyte=width; onebyte<256; onebyte+=width) {
-			String region = "\\x" +  Integer.toString((onebyte & 0xff) + 0x100, 16).substring(1);
-			for (int i = 0; i < 15; i++) {
-				region += "\\x00";
-			}
-			System.out.println(region);
-			regions.add(region);
-		}
-		
-		printCommand(tracesFormat, regions);
+        List<String> regions = new ArrayList<String>();
+
+        OneByteSimpleHash hash = new OneByteSimpleHash(traceRegionNumber);
+        for (byte[] each : hash.getAllPossiblePrefixes()) {
+            byte onebyte = each[0];
+            if (onebyte == 0) {
+                continue;
+            }
+
+            String region = "\\x" +  Integer.toString((onebyte & 0xff) + 0x100, 16).substring(1);
+            for (int i = 0; i < 15; i++) {
+                region += "\\x00";
+            }
+            regions.add(region);
+        }
+
+        printCommand(tracesFormat, regions);
 	}
+
+
+    @Test
+    public void range() {
+        System.out.println("------------------------");
+        for (int i =0 ; i< 255; i++) {
+            byte[] bytes = new byte[1];
+            bytes[0] = (byte) i;
+            byte[] distributedKey = rowKeyDistributor.getDistributedKey(bytes);
+            System.out.println("distributedKey:" + distributedKey[0]);
+        }
+        System.out.println("------------------------");
+    }
 	
 	@Test
 	public void applicationTraceIndexRegions() {