--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/tatsuki/jungle/test/DataBaseBenchMark.java	Thu Apr 30 23:13:33 2015 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/tatsuki/jungle/test/DataBaseBenchMark.java	Fri May 01 13:06:16 2015 +0900
@@ -1,7 +1,8 @@
 package jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.test;
 
 
-import com.mongodb.*;
+import com.mongodb.MongoClient;
+import com.mongodb.WriteConcern;
 import com.mongodb.client.MongoCollection;
 import com.mongodb.client.MongoDatabase;
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.DefaultJungle;
@@ -27,7 +28,7 @@
     public static void main(String[] args) throws InterruptedException, IOException, ParserConfigurationException, SAXException {
 
         if (args.length < 2) {
-            System.out.println("args[0] = jungle or mongo, args[1] = read or write");
+            System.out.println("args[0] = jungle or mongo, args[1] = read or write" );
             System.exit(0);
         }
 
@@ -43,15 +44,19 @@
     private static void mongoBench(String[] args, int cpuNum) throws IOException, InterruptedException {
         MongoClient client = new MongoClient("localhost", 27017);
         client.setWriteConcern(WriteConcern.JOURNALED);
-        client.dropDatabase("test");
+        client.dropDatabase("mydb");
         MongoDatabase database = client.getDatabase("mydb");
         MongoCollection<Document> coll = database.getCollection("mycoll");
-            for (int i = 0; i < 1000; i++) {
+            for (int i = 0; i < 10000; i++) {
                 if (i % 100 == 0)
                     System.out.println(i / 100);
                 coll.insertOne(new Document("key",String.valueOf(i)));
             }
-        coll.createIndex(new BasicDBObject("key", 1));
+        coll.createIndex(new Document("key", 1));
+        //coll.dropIndex(new Document("key", 1));
+        for (final Document index : coll.listIndexes()) {
+            System.out.println(index.toJson());
+        }
         File file = new File("./time/" + args[0] + args[1] + "Time");
         PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file)));
         DataBaseBenchMarkThread readThread[] = null;

--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/tatsuki/jungle/test/findMongoAttributeThread.java	Thu Apr 30 23:13:33 2015 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/tatsuki/jungle/test/findMongoAttributeThread.java	Fri May 01 13:06:16 2015 +0900
@@ -1,6 +1,9 @@
 package jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.test;
 
+import com.mongodb.BasicDBObject;
+import com.mongodb.client.FindIterable;
 import com.mongodb.client.MongoCollection;
+import com.mongodb.client.MongoCursor;
 import org.bson.Document;
 
 import java.util.ArrayList;
@@ -30,11 +33,12 @@
 
     @Override
     public void run() {
-        ArrayList<Document> list = new ArrayList<Document>();
-        list.add(new Document("key","1"));
+        ArrayList<BasicDBObject> list = new ArrayList<BasicDBObject>();
+        list.add(new BasicDBObject("key","1"));
         while (loop) {
-            ArrayList<Document> searchResultList = coll.find().into(list);
-            if (!searchResultList.isEmpty()) {
+            FindIterable<Document> searchResultList = coll.find(new Document("key","1"));
+            MongoCursor<Document> iterator = searchResultList.iterator();
+            if (iterator.hasNext()) {
                 findCount++;
             }
         }