KYLIN-1528 Create a branch for v1.5 with HBase 1.x API
diff --git a/assembly/src/test/java/org/apache/kylin/job/hadoop/invertedindex/IITest.java b/assembly/src/test/java/org/apache/kylin/job/hadoop/invertedindex/IITest.java
index da25143..5d2cfc4 100644
--- a/assembly/src/test/java/org/apache/kylin/job/hadoop/invertedindex/IITest.java
+++ b/assembly/src/test/java/org/apache/kylin/job/hadoop/invertedindex/IITest.java
@@ -38,6 +38,7 @@
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.regionserver.RegionScanner;
+import org.apache.hadoop.hbase.regionserver.ScannerContext;
 import org.apache.kylin.common.util.FIFOIterable;
 import org.apache.kylin.common.util.LocalFileMetadataTestCase;
 import org.apache.kylin.common.util.Pair;
@@ -222,6 +223,11 @@
             }
 
             @Override
+            public int getBatch() {
+                return -1;
+            }
+
+            @Override
             public boolean nextRaw(List<Cell> result) throws IOException {
                 if (iiRowIterator.hasNext()) {
                     IIRow iiRow = iiRowIterator.next();
@@ -233,7 +239,7 @@
             }
 
             @Override
-            public boolean nextRaw(List<Cell> result, int limit) throws IOException {
+            public boolean nextRaw(List<Cell> result, ScannerContext scannerContext) throws IOException {
                 throw new NotImplementedException();
             }
 
@@ -243,7 +249,7 @@
             }
 
             @Override
-            public boolean next(List<Cell> result, int limit) throws IOException {
+            public boolean next(List<Cell> result, ScannerContext scannerContext) throws IOException {
                 throw new NotImplementedException();
             }
 
diff --git a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
index 1062749..9090068 100644
--- a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
+++ b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
@@ -645,5 +645,8 @@
     public int getCubeStatsHLLPrecision() {
         return Integer.parseInt(getOptional("kylin.job.cubing.inmem.sampling.hll.precision", "14"));
     }
-
+    
+    public String getPatchedFuzzyRowFilterVersion() {
+        return this.getOptional("kylin.hbase.filter.fuzzy.row.filter.version", "1.1.3");
+    }
 }
diff --git a/examples/test_case_data/sandbox/hbase-site.xml b/examples/test_case_data/sandbox/hbase-site.xml
index 46d5345..734908e 100644
--- a/examples/test_case_data/sandbox/hbase-site.xml
+++ b/examples/test_case_data/sandbox/hbase-site.xml
@@ -190,22 +190,5 @@
         <name>zookeeper.znode.parent</name>
         <value>/hbase-unsecure</value>
     </property>
-    <property>
-        <name>hbase.client.pause</name>
-        <value>100</value>
-        <description>General client pause value.  Used mostly as value to wait
-            before running a retry of a failed get, region lookup, etc.
-            See hbase.client.retries.number for description of how we backoff from
-            this initial pause amount and how this pause works w/ retries.</description>
-    </property>
-    <property>
-        <name>hbase.client.retries.number</name>
-        <value>5</value>
-        <description>Maximum retries.  Used as maximum for all retryable
-            operations such as the getting of a cell's value, starting a row update,
-            etc.  Retry interval is a rough function based on hbase.client.pause.  At
-            first we retry at this interval but then with backoff, we pretty quickly reach
-            retrying every ten seconds.  See HConstants#RETRY_BACKOFF for how the backup
-            ramps up.  Change this setting and hbase.client.pause to suit your workload.</description>
-    </property>
+
 </configuration>
diff --git a/examples/test_case_data/sandbox/kylin_job_conf.xml b/examples/test_case_data/sandbox/kylin_job_conf.xml
index bd947af..6082fa9 100644
--- a/examples/test_case_data/sandbox/kylin_job_conf.xml
+++ b/examples/test_case_data/sandbox/kylin_job_conf.xml
@@ -1,20 +1,18 @@
 <?xml version="1.0"?>

 <!--

-  Licensed to the Apache Software Foundation (ASF) under one or more

-  contributor license agreements.  See the NOTICE file distributed with

-  this work for additional information regarding copyright ownership.

-  The ASF licenses this file to You under the Apache License, Version 2.0

-  (the "License"); you may not use this file except in compliance with

-  the License.  You may obtain a copy of the License at

+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
 

-      http://www.apache.org/licenses/LICENSE-2.0

+http://www.apache.org/licenses/LICENSE-2.0
 

-  Unless required by applicable law or agreed to in writing, software

-  distributed under the License is distributed on an "AS IS" BASIS,

-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-  See the License for the specific language governing permissions and

-  limitations under the License.

+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. See accompanying LICENSE file.
 -->

+
 <configuration>

 

     <property>

@@ -26,44 +24,41 @@
         </description>

     </property>

 

-    <property>

-        <name>mapreduce.map.maxattempts</name>

-        <value>2</value>

-    </property>

+    <!-- uncomment the following 5 properties to enable lzo compressing
 

-    <!--

-    <property>

-        <name>mapred.compress.map.output</name>

-        <value>true</value>

-        <description>Compress map outputs</description>

-    </property>

+	<property>
+		<name>mapred.compress.map.output</name>
+		<value>true</value>
+		<description>Compress map outputs</description>
+	</property>
 

-    <property>

-        <name>mapred.map.output.compression.codec</name>

-        <value>org.apache.hadoop.io.compress.SnappyCodec</value>

-        <description>The compression codec to use for map outputs

-        </description>

-    </property>

+	<property>
+		<name>mapred.map.output.compression.codec</name>
+		<value>com.hadoop.compression.lzo.LzoCodec</value>
+		<description>The compression codec to use for map outputs
+		</description>
+	</property>
 

-    <property>

-        <name>mapred.output.compress</name>

-        <value>true</value>

-        <description>Compress the output of a MapReduce job</description>

-    </property>

+	<property>
+		<name>mapred.output.compress</name>
+		<value>true</value>
+		<description>Compress the output of a MapReduce job</description>
+	</property>
 

-    <property>

-        <name>mapred.output.compression.codec</name>

-        <value>org.apache.hadoop.io.compress.SnappyCodec</value>

-        <description>The compression codec to use for job outputs

-        </description>

-    </property>

+	<property>
+		<name>mapred.output.compression.codec</name>
+		<value>com.hadoop.compression.lzo.LzoCodec</value>
+		<description>The compression codec to use for job outputs
+		</description>
+	</property>
 

-    <property>

-        <name>mapred.output.compression.type</name>

-        <value>BLOCK</value>

-        <description>The compression type to use for job outputs</description>

-    </property>

--->

+	<property>
+		<name>mapred.output.compression.type</name>
+		<value>BLOCK</value>
+		<description>The compression type to use for job outputs</description>
+	</property>
+
+	!-->
 

     <property>

         <name>mapreduce.job.max.split.locations</name>

@@ -76,5 +71,4 @@
         <value>2</value>

         <description>Block replication</description>

     </property>

-

 </configuration>
\ No newline at end of file
diff --git a/examples/test_case_data/sandbox/mapred-site.xml b/examples/test_case_data/sandbox/mapred-site.xml
index 18f6feb..ff1c7eb 100644
--- a/examples/test_case_data/sandbox/mapred-site.xml
+++ b/examples/test_case_data/sandbox/mapred-site.xml
@@ -18,7 +18,7 @@
 
     <property>
         <name>io.sort.mb</name>
-        <value>128</value>
+        <value>64</value>
     </property>
 
     <property>
@@ -28,12 +28,12 @@
 
     <property>
         <name>mapred.job.map.memory.mb</name>
-        <value>512</value>
+        <value>250</value>
     </property>
 
     <property>
         <name>mapred.job.reduce.memory.mb</name>
-        <value>512</value>
+        <value>250</value>
     </property>
 
     <property>
@@ -58,7 +58,7 @@
 
     <property>
         <name>mapreduce.application.classpath</name>
-        <value>/tmp/kylin/*,$HADOOP_CONF_DIR,/usr/hdp/${hdp.version}/hbase/lib/hbase-common.jar,/usr/hdp/current/hive-client/conf/,$PWD/mr-framework/hadoop/share/hadoop/mapreduce/*:$PWD/mr-framework/hadoop/share/hadoop/mapreduce/lib/*:$PWD/mr-framework/hadoop/share/hadoop/common/*:$PWD/mr-framework/hadoop/share/hadoop/common/lib/*:$PWD/mr-framework/hadoop/share/hadoop/yarn/*:$PWD/mr-framework/hadoop/share/hadoop/yarn/lib/*:$PWD/mr-framework/hadoop/share/hadoop/hdfs/*:$PWD/mr-framework/hadoop/share/hadoop/hdfs/lib/*:/usr/hdp/${hdp.version}/hadoop/lib/hadoop-lzo-0.6.0.${hdp.version}.jar:/usr/hdp/${hdp.version}/hadoop/lib/snappy-java-1.0.4.1.jar:/etc/hadoop/conf/secure</value>
+        <value>/tmp/kylin/*,$HADOOP_CONF_DIR,/usr/hdp/${hdp.version}/hbase/lib/hbase-common.jar,/usr/hdp/current/hive-client/conf/,$PWD/mr-framework/hadoop/share/hadoop/mapreduce/*:$PWD/mr-framework/hadoop/share/hadoop/mapreduce/lib/*:$PWD/mr-framework/hadoop/share/hadoop/common/*:$PWD/mr-framework/hadoop/share/hadoop/common/lib/*:$PWD/mr-framework/hadoop/share/hadoop/yarn/*:$PWD/mr-framework/hadoop/share/hadoop/yarn/lib/*:$PWD/mr-framework/hadoop/share/hadoop/hdfs/*:$PWD/mr-framework/hadoop/share/hadoop/hdfs/lib/*:/usr/hdp/${hdp.version}/hadoop/lib/hadoop-lzo-0.6.0.${hdp.version}.jar:/etc/hadoop/conf/secure</value>
     </property>
 
     <property>
@@ -81,10 +81,9 @@
         <value>false</value>
     </property>
 
-    <!--the default value on hdp is 0.05, however for test environments we need to be conservative on resource -->
     <property>
         <name>mapreduce.job.reduce.slowstart.completedmaps</name>
-        <value>1</value>
+        <value>0.05</value>
     </property>
 
     <property>
@@ -114,7 +113,7 @@
 
     <property>
         <name>mapreduce.map.java.opts</name>
-        <value>-Xmx512m</value>
+        <value>-Xmx200m</value>
     </property>
 
     <property>
@@ -124,7 +123,7 @@
 
     <property>
         <name>mapreduce.map.memory.mb</name>
-        <value>512</value>
+        <value>250</value>
     </property>
 
     <property>
@@ -169,7 +168,7 @@
 
     <property>
         <name>mapreduce.reduce.memory.mb</name>
-        <value>512</value>
+        <value>250</value>
     </property>
 
     <property>
@@ -219,7 +218,7 @@
 
     <property>
         <name>mapreduce.task.io.sort.mb</name>
-        <value>128</value>
+        <value>64</value>
     </property>
 
     <property>
@@ -234,7 +233,7 @@
 
     <property>
         <name>yarn.app.mapreduce.am.command-opts</name>
-        <value>-Xmx512m</value>
+        <value>-Xmx200m</value>
     </property>
 
     <property>
@@ -244,7 +243,7 @@
 
     <property>
         <name>yarn.app.mapreduce.am.resource.mb</name>
-        <value>512</value>
+        <value>250</value>
     </property>
 
     <property>
diff --git a/kylin-it/src/test/java/org/apache/kylin/provision/BuildCubeWithEngine.java b/kylin-it/src/test/java/org/apache/kylin/provision/BuildCubeWithEngine.java
index 07de5d7..a83a754 100644
--- a/kylin-it/src/test/java/org/apache/kylin/provision/BuildCubeWithEngine.java
+++ b/kylin-it/src/test/java/org/apache/kylin/provision/BuildCubeWithEngine.java
@@ -37,8 +37,7 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.util.ToolRunner;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.ClassUtil;
@@ -60,6 +59,7 @@
 import org.apache.kylin.job.manager.ExecutableManager;
 import org.apache.kylin.metadata.model.IEngineAware;
 import org.apache.kylin.metadata.model.IStorageAware;
+import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.apache.kylin.storage.hbase.util.HBaseRegionSizeCalculator;
 import org.apache.kylin.storage.hbase.util.StorageCleanupJob;
 import org.apache.kylin.storage.hbase.util.ZookeeperJobLock;
@@ -404,33 +404,33 @@
     }
 
     private void checkHFilesInHBase(CubeSegment segment) throws IOException {
-        Configuration conf = HBaseConfiguration.create(HadoopUtil.getCurrentConfiguration());
+        Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
         String tableName = segment.getStorageLocationIdentifier();
-        try (HTable table = new HTable(conf, tableName)) {
-            HBaseRegionSizeCalculator cal = new HBaseRegionSizeCalculator(table);
-            Map<byte[], Long> sizeMap = cal.getRegionSizeMap();
-            long totalSize = 0;
-            for (Long size : sizeMap.values()) {
-                totalSize += size;
+
+        HBaseRegionSizeCalculator cal = new HBaseRegionSizeCalculator(tableName, conn);
+        Map<byte[], Long> sizeMap = cal.getRegionSizeMap();
+        long totalSize = 0;
+        for (Long size : sizeMap.values()) {
+            totalSize += size;
+        }
+        if (totalSize == 0) {
+            return;
+        }
+        
+        Map<byte[], Pair<Integer, Integer>> countMap = cal.getRegionHFileCountMap();
+        // check if there's region contains more than one hfile, which means the hfile config take effects
+        boolean hasMultiHFileRegions = false;
+        for (Pair<Integer, Integer> count : countMap.values()) {
+            // check if hfile count is greater than store count
+            if (count.getSecond() > count.getFirst()) {
+                hasMultiHFileRegions = true;
+                break;
             }
-            if (totalSize == 0) {
-                return;
-            }
-            Map<byte[], Pair<Integer, Integer>> countMap = cal.getRegionHFileCountMap();
-            // check if there's region contains more than one hfile, which means the hfile config take effects
-            boolean hasMultiHFileRegions = false;
-            for (Pair<Integer, Integer> count : countMap.values()) {
-                // check if hfile count is greater than store count
-                if (count.getSecond() > count.getFirst()) {
-                    hasMultiHFileRegions = true;
-                    break;
-                }
-            }
-            if (KylinConfig.getInstanceFromEnv().getHBaseHFileSizeGB() == 0 && hasMultiHFileRegions) {
-                throw new IOException("hfile size set to 0, but found region contains more than one hfiles");
-            } else if (KylinConfig.getInstanceFromEnv().getHBaseHFileSizeGB() > 0 && !hasMultiHFileRegions) {
-                throw new IOException("hfile size set greater than 0, but all regions still has only one hfile");
-            }
+        }
+        if (KylinConfig.getInstanceFromEnv().getHBaseHFileSizeGB() == 0 && hasMultiHFileRegions) {
+            throw new IOException("hfile size set to 0, but found region contains more than one hfiles");
+        } else if (KylinConfig.getInstanceFromEnv().getHBaseHFileSizeGB() > 0 && !hasMultiHFileRegions) {
+            throw new IOException("hfile size set greater than 0, but all regions still has only one hfile");
         }
     }
 
diff --git a/kylin-it/src/test/java/org/apache/kylin/provision/BuildIIWithStream.java b/kylin-it/src/test/java/org/apache/kylin/provision/BuildIIWithStream.java
index c0f6f63..a74ecb9 100644
--- a/kylin-it/src/test/java/org/apache/kylin/provision/BuildIIWithStream.java
+++ b/kylin-it/src/test/java/org/apache/kylin/provision/BuildIIWithStream.java
@@ -45,7 +45,8 @@
 import java.util.UUID;
 
 import org.apache.commons.lang3.StringUtils;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
 import org.apache.hadoop.util.ToolRunner;
@@ -208,7 +209,7 @@
             }
         }
         final IISegment segment = createSegment(iiName);
-        final HTableInterface htable = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl()).getTable(segment.getStorageLocationIdentifier());
+        final Table htable = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl()).getTable(TableName.valueOf(segment.getStorageLocationIdentifier()));
         String[] args = new String[] { "-iiname", iiName, "-htablename", segment.getStorageLocationIdentifier() };
         ToolRunner.run(new IICreateHTableJob(), args);
 
@@ -246,7 +247,7 @@
         }
     }
 
-    private void build(SliceBuilder sliceBuilder, StreamingBatch batch, HTableInterface htable) throws IOException {
+    private void build(SliceBuilder sliceBuilder, StreamingBatch batch, Table htable) throws IOException {
         final Slice slice = sliceBuilder.buildSlice(batch);
         try {
             loadToHBase(htable, slice, new IIKeyValueCodec(slice.getInfo()));
@@ -255,17 +256,17 @@
         }
     }
 
-    private void loadToHBase(HTableInterface hTable, Slice slice, IIKeyValueCodec codec) throws IOException {
+    private void loadToHBase(Table hTable, Slice slice, IIKeyValueCodec codec) throws IOException {
         List<Put> data = Lists.newArrayList();
         for (IIRow row : codec.encodeKeyValue(slice)) {
             final byte[] key = row.getKey().get();
             final byte[] value = row.getValue().get();
             Put put = new Put(key);
-            put.add(IIDesc.HBASE_FAMILY_BYTES, IIDesc.HBASE_QUALIFIER_BYTES, value);
+            put.addColumn(IIDesc.HBASE_FAMILY_BYTES, IIDesc.HBASE_QUALIFIER_BYTES, value);
             final ImmutableBytesWritable dictionary = row.getDictionary();
             final byte[] dictBytes = dictionary.get();
             if (dictionary.getOffset() == 0 && dictionary.getLength() == dictBytes.length) {
-                put.add(IIDesc.HBASE_FAMILY_BYTES, IIDesc.HBASE_DICTIONARY_BYTES, dictBytes);
+                put.addColumn(IIDesc.HBASE_FAMILY_BYTES, IIDesc.HBASE_DICTIONARY_BYTES, dictBytes);
             } else {
                 throw new RuntimeException("dict offset should be 0, and dict length should be " + dictBytes.length + " but they are" + dictionary.getOffset() + " " + dictionary.getLength());
             }
diff --git a/kylin-it/src/test/java/org/apache/kylin/storage/hbase/ii/ITInvertedIndexHBaseTest.java b/kylin-it/src/test/java/org/apache/kylin/storage/hbase/ii/ITInvertedIndexHBaseTest.java
index b5be703..5a591a1 100644
--- a/kylin-it/src/test/java/org/apache/kylin/storage/hbase/ii/ITInvertedIndexHBaseTest.java
+++ b/kylin-it/src/test/java/org/apache/kylin/storage/hbase/ii/ITInvertedIndexHBaseTest.java
@@ -20,9 +20,7 @@
 

 import java.util.List;

 

-import org.apache.hadoop.conf.Configuration;

-import org.apache.hadoop.hbase.client.HConnection;

-import org.apache.hadoop.hbase.client.HConnectionManager;

+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.common.util.BytesUtil;

 import org.apache.kylin.invertedindex.IIInstance;

 import org.apache.kylin.invertedindex.IIManager;

@@ -49,7 +47,7 @@
 

     IIInstance ii;

     IISegment seg;

-    HConnection hconn;

+    Connection hconn;
 

     TableRecordInfo info;

 

@@ -60,8 +58,7 @@
         this.ii = IIManager.getInstance(getTestConfig()).getII("test_kylin_ii_left_join");

         this.seg = ii.getFirstSegment();

 

-        Configuration hconf = HBaseConnection.getCurrentHBaseConfiguration();

-        hconn = HConnectionManager.createConnection(hconf);

+        hconn = HBaseConnection.get(getTestConfig().getStorageUrl());
 

         this.info = new TableRecordInfo(seg);

     }

diff --git a/pom.xml b/pom.xml
index 12d9eb2..df29c0e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,12 +47,12 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
         <!-- Hadoop versions -->
-        <hadoop2.version>2.6.0</hadoop2.version>
-        <yarn.version>2.6.0</yarn.version>
+        <hadoop2.version>2.7.1</hadoop2.version>
+        <yarn.version>2.7.1</yarn.version>
         <zookeeper.version>3.4.6</zookeeper.version>
-        <hive.version>0.14.0</hive.version>
-        <hive-hcatalog.version>0.14.0</hive-hcatalog.version>
-        <hbase-hadoop2.version>0.98.8-hadoop2</hbase-hadoop2.version>
+        <hive.version>1.2.1</hive.version>
+        <hive-hcatalog.version>1.2.1</hive-hcatalog.version>
+        <hbase-hadoop2.version>1.1.1</hbase-hadoop2.version>
         <kafka.version>0.8.1</kafka.version>
 
         <!-- Dependency versions -->
@@ -64,6 +64,7 @@
 
         <!-- Commons -->
         <commons-cli.version>1.2</commons-cli.version>
+        <commons-codec.version>1.4</commons-codec.version>
         <commons-lang.version>2.6</commons-lang.version>
         <commons-lang3.version>3.1</commons-lang3.version>
         <commons-collections.version>3.2.1</commons-collections.version>
@@ -103,7 +104,7 @@
         <calcite.version>1.6.0</calcite.version>
 
         <!-- Curator.version Version -->
-        <curator.version>2.6.0</curator.version>
+        <curator.version>2.7.1</curator.version>
 
         <!-- Sonar -->
         <sonar.java.coveragePlugin>jacoco</sonar.java.coveragePlugin>
@@ -324,6 +325,11 @@
                 <version>${commons-cli.version}</version>
             </dependency>
             <dependency>
+                <groupId>commons-codec</groupId>
+                <artifactId>commons-codec</artifactId>
+                <version>${commons-codec.version}</version>
+            </dependency>
+            <dependency>
                 <groupId>commons-lang</groupId>
                 <artifactId>commons-lang</artifactId>
                 <version>${commons-lang.version}</version>
diff --git a/server/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java b/server/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java
index 2220113..0e71cd5 100644
--- a/server/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java
+++ b/server/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java
@@ -20,7 +20,7 @@
 
 import java.io.IOException;
 
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 
 /**
  */
@@ -37,6 +37,6 @@
 
     String prepareHBaseTable(Class clazz) throws IOException;
 
-    HTableInterface getTable(String tableName) throws IOException;
+    Table getTable(String tableName) throws IOException;
 
 }
diff --git a/server/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java b/server/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java
index 193f5a8..933c49d 100644
--- a/server/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java
+++ b/server/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java
@@ -21,7 +21,7 @@
 import java.io.IOException;
 
 import org.apache.commons.lang.StringUtils;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.kylin.rest.service.AclService;
 import org.apache.kylin.rest.service.UserService;
 
@@ -29,8 +29,8 @@
  */
 public class MockAclHBaseStorage implements AclHBaseStorage {
 
-    private HTableInterface mockedAclTable;
-    private HTableInterface mockedUserTable;
+    private Table mockedAclTable;
+    private Table mockedUserTable;
     private static final String aclTableName = "MOCK-ACL-TABLE";
     private static final String userTableName = "MOCK-USER-TABLE";
 
@@ -49,7 +49,7 @@
     }
 
     @Override
-    public HTableInterface getTable(String tableName) throws IOException {
+    public Table getTable(String tableName) throws IOException {
         if (StringUtils.equals(tableName, aclTableName)) {
             return mockedAclTable;
         } else if (StringUtils.equals(tableName, userTableName)) {
diff --git a/server/src/main/java/org/apache/kylin/rest/security/MockHTable.java b/server/src/main/java/org/apache/kylin/rest/security/MockHTable.java
index d0aa0ed..972eea9 100644
--- a/server/src/main/java/org/apache/kylin/rest/security/MockHTable.java
+++ b/server/src/main/java/org/apache/kylin/rest/security/MockHTable.java
@@ -51,7 +51,7 @@
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Durability;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Increment;
 import org.apache.hadoop.hbase.client.Mutation;
 import org.apache.hadoop.hbase.client.Put;
@@ -91,7 +91,7 @@
  *     <li>remove some methods for loading data, checking values ...</li>
  * </ul>
  */
-public class MockHTable implements HTableInterface {
+public class MockHTable implements Table {
     private final String tableName;
     private final List<String> columnFamilies = new ArrayList<>();
 
@@ -114,14 +114,6 @@
         this.columnFamilies.add(columnFamily);
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public byte[] getTableName() {
-        return tableName.getBytes();
-    }
-
     @Override
     public TableName getName() {
         return null;
@@ -200,8 +192,8 @@
     }
 
     @Override
-    public Boolean[] exists(List<Get> gets) throws IOException {
-        return new Boolean[0];
+    public boolean[] existsAll(List<Get> list) throws IOException {
+        return new boolean[0];
     }
 
     /**
@@ -306,15 +298,6 @@
      * {@inheritDoc}
      */
     @Override
-    public Result getRowOrBefore(byte[] row, byte[] family) throws IOException {
-        // FIXME: implement
-        return null;
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
     public ResultScanner getScanner(Scan scan) throws IOException {
         final List<Result> ret = new ArrayList<Result>();
         byte[] st = scan.getStartRow();
@@ -446,7 +429,7 @@
              */
         }
         if (filter.hasFilterRow() && !filteredOnRowKey) {
-            filter.filterRow(nkvs);
+            filter.filterRow();
         }
         if (filter.filterRow() || filteredOnRowKey) {
             nkvs.clear();
@@ -535,6 +518,11 @@
         return false;
     }
 
+    @Override
+    public boolean checkAndPut(byte[] bytes, byte[] bytes1, byte[] bytes2, CompareFilter.CompareOp compareOp, byte[] bytes3, Put put) throws IOException {
+        return false;
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -555,7 +543,7 @@
                 continue;
             }
             for (KeyValue kv : delete.getFamilyMap().get(family)) {
-                if (kv.isDeleteFamily()) {
+                if (kv.isDelete()) {
                     data.get(row).get(kv.getFamily()).clear();
                 } else {
                     data.get(row).get(kv.getFamily()).remove(kv.getQualifier());
@@ -592,6 +580,11 @@
         return false;
     }
 
+    @Override
+    public boolean checkAndDelete(byte[] bytes, byte[] bytes1, byte[] bytes2, CompareFilter.CompareOp compareOp, byte[] bytes3, Delete delete) throws IOException {
+        return false;
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -605,7 +598,7 @@
      */
     @Override
     public long incrementColumnValue(byte[] row, byte[] family, byte[] qualifier, long amount) throws IOException {
-        return incrementColumnValue(row, family, qualifier, amount, true);
+        return incrementColumnValue(row, family, qualifier, amount, null);
     }
 
     @Override
@@ -617,37 +610,6 @@
      * {@inheritDoc}
      */
     @Override
-    public long incrementColumnValue(byte[] row, byte[] family, byte[] qualifier, long amount, boolean writeToWAL) throws IOException {
-        if (check(row, family, qualifier, null)) {
-            Put put = new Put(row);
-            put.add(family, qualifier, Bytes.toBytes(amount));
-            put(put);
-            return amount;
-        }
-        long newValue = Bytes.toLong(data.get(row).get(family).get(qualifier).lastEntry().getValue()) + amount;
-        data.get(row).get(family).get(qualifier).put(System.currentTimeMillis(), Bytes.toBytes(newValue));
-        return newValue;
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public boolean isAutoFlush() {
-        return true;
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public void flushCommits() throws IOException {
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
     public void close() throws IOException {
     }
 
@@ -673,29 +635,6 @@
      * {@inheritDoc}
      */
     @Override
-    public void setAutoFlush(boolean autoFlush) {
-        throw new NotImplementedException();
-
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public void setAutoFlush(boolean autoFlush, boolean clearBufferOnFail) {
-        throw new NotImplementedException();
-
-    }
-
-    @Override
-    public void setAutoFlushTo(boolean autoFlush) {
-        throw new NotImplementedException();
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
     public long getWriteBufferSize() {
         throw new NotImplementedException();
     }
diff --git a/server/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java b/server/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java
index 5a48e83..d40bdf3 100644
--- a/server/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java
+++ b/server/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java
@@ -21,7 +21,8 @@
 import java.io.IOException;
 
 import org.apache.commons.lang.StringUtils;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.rest.service.AclService;
 import org.apache.kylin.rest.service.UserService;
@@ -56,11 +57,11 @@
     }
 
     @Override
-    public HTableInterface getTable(String tableName) throws IOException {
+    public Table getTable(String tableName) throws IOException {
         if (StringUtils.equals(tableName, aclTableName)) {
-            return HBaseConnection.get(hbaseUrl).getTable(aclTableName);
+            return HBaseConnection.get(hbaseUrl).getTable(TableName.valueOf(aclTableName));
         } else if (StringUtils.equals(tableName, userTableName)) {
-            return HBaseConnection.get(hbaseUrl).getTable(userTableName);
+            return HBaseConnection.get(hbaseUrl).getTable(TableName.valueOf(userTableName));
         } else {
             throw new IllegalStateException("getTable failed" + tableName);
         }
diff --git a/server/src/main/java/org/apache/kylin/rest/service/AclService.java b/server/src/main/java/org/apache/kylin/rest/service/AclService.java
index 58e093c..a03ff5e 100644
--- a/server/src/main/java/org/apache/kylin/rest/service/AclService.java
+++ b/server/src/main/java/org/apache/kylin/rest/service/AclService.java
@@ -33,7 +33,7 @@
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
@@ -124,7 +124,7 @@
     @Override
     public List<ObjectIdentity> findChildren(ObjectIdentity parentIdentity) {
         List<ObjectIdentity> oids = new ArrayList<ObjectIdentity>();
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(aclTableName);
 
@@ -173,7 +173,7 @@
     @Override
     public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> oids, List<Sid> sids) throws NotFoundException {
         Map<ObjectIdentity, Acl> aclMaps = new HashMap<ObjectIdentity, Acl>();
-        HTableInterface htable = null;
+        Table htable = null;
         Result result = null;
         try {
             htable = aclHBaseStorage.getTable(aclTableName);
@@ -225,17 +225,16 @@
         Authentication auth = SecurityContextHolder.getContext().getAuthentication();
         PrincipalSid sid = new PrincipalSid(auth);
 
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(aclTableName);
 
             Put put = new Put(Bytes.toBytes(String.valueOf(objectIdentity.getIdentifier())));
-            put.add(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_TYPE_COLUMN), Bytes.toBytes(objectIdentity.getType()));
-            put.add(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_OWNER_COLUMN), sidSerializer.serialize(new SidInfo(sid)));
-            put.add(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_ENTRY_INHERIT_COLUMN), Bytes.toBytes(true));
+            put.addColumn(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_TYPE_COLUMN), Bytes.toBytes(objectIdentity.getType()));
+            put.addColumn(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_OWNER_COLUMN), sidSerializer.serialize(new SidInfo(sid)));
+            put.addColumn(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_ENTRY_INHERIT_COLUMN), Bytes.toBytes(true));
 
             htable.put(put);
-            htable.flushCommits();
 
             logger.debug("ACL of " + objectIdentity + " created successfully.");
         } catch (IOException e) {
@@ -249,7 +248,7 @@
 
     @Override
     public void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren) throws ChildrenExistException {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(aclTableName);
 
@@ -265,7 +264,6 @@
             }
 
             htable.delete(delete);
-            htable.flushCommits();
 
             logger.debug("ACL of " + objectIdentity + " deleted successfully.");
         } catch (IOException e) {
@@ -283,7 +281,7 @@
             throw e;
         }
 
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(aclTableName);
 
@@ -294,17 +292,16 @@
             Put put = new Put(Bytes.toBytes(String.valueOf(acl.getObjectIdentity().getIdentifier())));
 
             if (null != acl.getParentAcl()) {
-                put.add(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_PARENT_COLUMN), domainObjSerializer.serialize(new DomainObjectInfo(acl.getParentAcl().getObjectIdentity())));
+                put.addColumn(Bytes.toBytes(AclHBaseStorage.ACL_INFO_FAMILY), Bytes.toBytes(ACL_INFO_FAMILY_PARENT_COLUMN), domainObjSerializer.serialize(new DomainObjectInfo(acl.getParentAcl().getObjectIdentity())));
             }
 
             for (AccessControlEntry ace : acl.getEntries()) {
                 AceInfo aceInfo = new AceInfo(ace);
-                put.add(Bytes.toBytes(AclHBaseStorage.ACL_ACES_FAMILY), Bytes.toBytes(aceInfo.getSidInfo().getSid()), aceSerializer.serialize(aceInfo));
+                put.addColumn(Bytes.toBytes(AclHBaseStorage.ACL_ACES_FAMILY), Bytes.toBytes(aceInfo.getSidInfo().getSid()), aceSerializer.serialize(aceInfo));
             }
 
             if (!put.isEmpty()) {
                 htable.put(put);
-                htable.flushCommits();
 
                 logger.debug("ACL of " + acl.getObjectIdentity() + " updated successfully.");
             }
diff --git a/server/src/main/java/org/apache/kylin/rest/service/CubeService.java b/server/src/main/java/org/apache/kylin/rest/service/CubeService.java
index 8ed0802..6c47fde 100644
--- a/server/src/main/java/org/apache/kylin/rest/service/CubeService.java
+++ b/server/src/main/java/org/apache/kylin/rest/service/CubeService.java
@@ -20,10 +20,7 @@
 
 import java.io.IOException;
 import java.util.*;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.client.HTable;
-import org.apache.hadoop.mapred.Merger;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.cube.CubeInstance;
 import org.apache.kylin.cube.CubeManager;
@@ -431,35 +428,24 @@
         if (htableInfoCache.containsKey(tableName)) {
             return htableInfoCache.get(tableName);
         }
-
-        Configuration hconf = HBaseConnection.getCurrentHBaseConfiguration();
-        HTable table = null;
+        Connection conn = HBaseConnection.get(this.getConfig().getStorageUrl());
         HBaseResponse hr = null;
         long tableSize = 0;
         int regionCount = 0;
 
-        try {
-            table = new HTable(hconf, tableName);
+        HBaseRegionSizeCalculator cal = new HBaseRegionSizeCalculator(tableName, conn);
+        Map<byte[], Long> sizeMap = cal.getRegionSizeMap();
 
-            HBaseRegionSizeCalculator cal = new HBaseRegionSizeCalculator(table);
-            Map<byte[], Long> sizeMap = cal.getRegionSizeMap();
-
-            for (long s : sizeMap.values()) {
-                tableSize += s;
-            }
-
-            regionCount = sizeMap.size();
-
-            // Set response.
-            hr = new HBaseResponse();
-            hr.setTableSize(tableSize);
-            hr.setRegionCount(regionCount);
-        } finally {
-            if (null != table) {
-                table.close();
-            }
+        for (long s : sizeMap.values()) {
+            tableSize += s;
         }
 
+        regionCount = sizeMap.size();
+
+        // Set response.
+        hr = new HBaseResponse();
+        hr.setTableSize(tableSize);
+        hr.setRegionCount(regionCount);
         htableInfoCache.put(tableName, hr);
 
         return hr;
diff --git a/server/src/main/java/org/apache/kylin/rest/service/QueryService.java b/server/src/main/java/org/apache/kylin/rest/service/QueryService.java
index 08b338c..6691784 100644
--- a/server/src/main/java/org/apache/kylin/rest/service/QueryService.java
+++ b/server/src/main/java/org/apache/kylin/rest/service/QueryService.java
@@ -44,8 +44,9 @@
 import org.apache.calcite.avatica.ColumnMetaData.Rep;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.kylin.common.KylinConfig;
@@ -130,14 +131,13 @@
         Query[] queryArray = new Query[queries.size()];
 
         byte[] bytes = querySerializer.serialize(queries.toArray(queryArray));
-        HTableInterface htable = null;
+        Table htable = null;
         try {
-            htable = HBaseConnection.get(hbaseUrl).getTable(userTableName);
+            htable = HBaseConnection.get(hbaseUrl).getTable(TableName.valueOf(userTableName));
             Put put = new Put(Bytes.toBytes(creator));
-            put.add(Bytes.toBytes(USER_QUERY_FAMILY), Bytes.toBytes(USER_QUERY_COLUMN), bytes);
+            put.addColumn(Bytes.toBytes(USER_QUERY_FAMILY), Bytes.toBytes(USER_QUERY_COLUMN), bytes);
 
             htable.put(put);
-            htable.flushCommits();
         } finally {
             IOUtils.closeQuietly(htable);
         }
@@ -163,14 +163,13 @@
 
         Query[] queryArray = new Query[queries.size()];
         byte[] bytes = querySerializer.serialize(queries.toArray(queryArray));
-        HTableInterface htable = null;
+        Table htable = null;
         try {
-            htable = HBaseConnection.get(hbaseUrl).getTable(userTableName);
+            htable = HBaseConnection.get(hbaseUrl).getTable(TableName.valueOf(userTableName));
             Put put = new Put(Bytes.toBytes(creator));
-            put.add(Bytes.toBytes(USER_QUERY_FAMILY), Bytes.toBytes(USER_QUERY_COLUMN), bytes);
+            put.addColumn(Bytes.toBytes(USER_QUERY_FAMILY), Bytes.toBytes(USER_QUERY_COLUMN), bytes);
 
             htable.put(put);
-            htable.flushCommits();
         } finally {
             IOUtils.closeQuietly(htable);
         }
@@ -182,9 +181,9 @@
         }
 
         List<Query> queries = new ArrayList<Query>();
-        HTableInterface htable = null;
+        Table htable = null;
         try {
-            htable = HBaseConnection.get(hbaseUrl).getTable(userTableName);
+            htable = HBaseConnection.get(hbaseUrl).getTable(TableName.valueOf(userTableName));
             Get get = new Get(Bytes.toBytes(creator));
             get.addFamily(Bytes.toBytes(USER_QUERY_FAMILY));
             Result result = htable.get(get);
diff --git a/server/src/main/java/org/apache/kylin/rest/service/UserService.java b/server/src/main/java/org/apache/kylin/rest/service/UserService.java
index e4e2de3..624c49c 100644
--- a/server/src/main/java/org/apache/kylin/rest/service/UserService.java
+++ b/server/src/main/java/org/apache/kylin/rest/service/UserService.java
@@ -29,7 +29,7 @@
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
@@ -69,7 +69,7 @@
 
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);
 
@@ -100,16 +100,15 @@
 
     @Override
     public void updateUser(UserDetails user) {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             byte[] userAuthorities = serialize(user.getAuthorities());
             htable = aclHBaseStorage.getTable(userTableName);
 
             Put put = new Put(Bytes.toBytes(user.getUsername()));
-            put.add(Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_FAMILY), Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_COLUMN), userAuthorities);
+            put.addColumn(Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_FAMILY), Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_COLUMN), userAuthorities);
 
             htable.put(put);
-            htable.flushCommits();
         } catch (IOException e) {
             throw new RuntimeException(e.getMessage(), e);
         } finally {
@@ -119,14 +118,13 @@
 
     @Override
     public void deleteUser(String username) {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);
 
             Delete delete = new Delete(Bytes.toBytes(username));
 
             htable.delete(delete);
-            htable.flushCommits();
         } catch (IOException e) {
             throw new RuntimeException(e.getMessage(), e);
         } finally {
@@ -141,7 +139,7 @@
 
     @Override
     public boolean userExists(String username) {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);
 
@@ -161,7 +159,7 @@
         s.addColumn(Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_FAMILY), Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_COLUMN));
 
         List<String> authorities = new ArrayList<String>();
-        HTableInterface htable = null;
+        Table htable = null;
         ResultScanner scanner = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseConnection.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseConnection.java
index e2f4f3a..a7ffa0d 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseConnection.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseConnection.java
@@ -32,9 +32,9 @@
 import org.apache.hadoop.hbase.HConstants;

 import org.apache.hadoop.hbase.HTableDescriptor;

 import org.apache.hadoop.hbase.TableName;

-import org.apache.hadoop.hbase.client.HBaseAdmin;

-import org.apache.hadoop.hbase.client.HConnection;

-import org.apache.hadoop.hbase.client.HConnectionManager;

+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.kylin.common.KylinConfig;

 import org.apache.kylin.common.persistence.StorageException;

 import org.apache.kylin.engine.mr.HadoopUtil;

@@ -52,13 +52,13 @@
     private static final Logger logger = LoggerFactory.getLogger(HBaseConnection.class);

 

     private static final Map<String, Configuration> ConfigCache = new ConcurrentHashMap<String, Configuration>();

-    private static final Map<String, HConnection> ConnPool = new ConcurrentHashMap<String, HConnection>();

+    private static final Map<String, Connection> ConnPool = new ConcurrentHashMap<String, Connection>();
 

     static {

         Runtime.getRuntime().addShutdownHook(new Thread() {

             @Override

             public void run() {

-                for (HConnection conn : ConnPool.values()) {

+                for (Connection conn : ConnPool.values()) {
                     try {

                         conn.close();

                     } catch (IOException e) {

@@ -124,9 +124,9 @@
 

     // ============================================================================

     

-    // returned HConnection can be shared by multiple threads and does not require close()

+    // returned Connection can be shared by multiple threads and does not require close()
     @SuppressWarnings("resource")

-    public static HConnection get(String url) {

+    public static Connection get(String url) {
         // find configuration

         Configuration conf = ConfigCache.get(url);

         if (conf == null) {

@@ -134,13 +134,13 @@
             ConfigCache.put(url, conf);

         }

 

-        HConnection connection = ConnPool.get(url);

+        Connection connection = ConnPool.get(url);
         try {

             while (true) {

                 // I don't use DCL since recreate a connection is not a big issue.

                 if (connection == null || connection.isClosed()) {

                     logger.info("connection is null or closed, creating a new one");

-                    connection = HConnectionManager.createConnection(conf);

+                    connection = ConnectionFactory.createConnection(conf);
                     ConnPool.put(url, connection);

                 }

 

@@ -159,8 +159,8 @@
         return connection;

     }

 

-    public static boolean tableExists(HConnection conn, String tableName) throws IOException {

-        HBaseAdmin hbase = new HBaseAdmin(conn);

+    public static boolean tableExists(Connection conn, String tableName) throws IOException {
+        Admin hbase = conn.getAdmin();
         try {

             return hbase.tableExists(TableName.valueOf(tableName));

         } finally {

@@ -180,8 +180,8 @@
         deleteTable(HBaseConnection.get(hbaseUrl), tableName);

     }

 

-    public static void createHTableIfNeeded(HConnection conn, String tableName, String... families) throws IOException {

-        HBaseAdmin hbase = new HBaseAdmin(conn);

+    public static void createHTableIfNeeded(Connection conn, String tableName, String... families) throws IOException {
+        Admin hbase = conn.getAdmin();
 

         try {

             if (tableExists(conn, tableName)) {

@@ -210,8 +210,8 @@
         }

     }

 

-    public static void deleteTable(HConnection conn, String tableName) throws IOException {

-        HBaseAdmin hbase = new HBaseAdmin(conn);

+    public static void deleteTable(Connection conn, String tableName) throws IOException {
+        Admin hbase = conn.getAdmin();
 

         try {

             if (!tableExists(conn, tableName)) {

@@ -221,10 +221,10 @@
 

             logger.debug("delete HTable '" + tableName + "'");

 

-            if (hbase.isTableEnabled(tableName)) {

-                hbase.disableTable(tableName);

+            if (hbase.isTableEnabled(TableName.valueOf(tableName))) {
+                hbase.disableTable(TableName.valueOf(tableName));
             }

-            hbase.deleteTable(tableName);

+            hbase.deleteTable(TableName.valueOf(tableName));
 

             logger.debug("HTable '" + tableName + "' deleted");

         } finally {

diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseResourceStore.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseResourceStore.java
index 2262482..07a5586 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseResourceStore.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseResourceStore.java
@@ -31,10 +31,11 @@
 import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
@@ -69,7 +70,7 @@
     final String tableNameBase;
     final String hbaseUrl;
 
-    private HConnection getConnection() throws IOException {
+    private Connection getConnection() throws IOException {
         return HBaseConnection.get(hbaseUrl);
     }
 
@@ -120,7 +121,7 @@
         byte[] endRow = Bytes.toBytes(lookForPrefix);
         endRow[endRow.length - 1]++;
 
-        HTableInterface table = getConnection().getTable(getAllInOneTableName());
+        Table table = getConnection().getTable(TableName.valueOf(getAllInOneTableName()));
         Scan scan = new Scan(startRow, endRow);
         if ((filter != null && filter instanceof KeyOnlyFilter) == false) {
             scan.addColumn(B_FAMILY, B_COLUMN_TS);
@@ -238,13 +239,12 @@
         IOUtils.copy(content, bout);
         bout.close();
 
-        HTableInterface table = getConnection().getTable(getAllInOneTableName());
+        Table table = getConnection().getTable(TableName.valueOf(getAllInOneTableName()));
         try {
             byte[] row = Bytes.toBytes(resPath);
             Put put = buildPut(resPath, ts, row, bout.toByteArray(), table);
 
             table.put(put);
-            table.flushCommits();
         } finally {
             IOUtils.closeQuietly(table);
         }
@@ -252,7 +252,7 @@
 
     @Override
     protected long checkAndPutResourceImpl(String resPath, byte[] content, long oldTS, long newTS) throws IOException, IllegalStateException {
-        HTableInterface table = getConnection().getTable(getAllInOneTableName());
+        Table table = getConnection().getTable(TableName.valueOf(getAllInOneTableName()));
         try {
             byte[] row = Bytes.toBytes(resPath);
             byte[] bOldTS = oldTS == 0 ? null : Bytes.toBytes(oldTS);
@@ -265,8 +265,6 @@
                 throw new IllegalStateException("Overwriting conflict " + resPath + ", expect old TS " + oldTS + ", but it is " + real);
             }
 
-            table.flushCommits();
-
             return newTS;
         } finally {
             IOUtils.closeQuietly(table);
@@ -275,11 +273,10 @@
 
     @Override
     protected void deleteResourceImpl(String resPath) throws IOException {
-        HTableInterface table = getConnection().getTable(getAllInOneTableName());
+        Table table = getConnection().getTable(TableName.valueOf(getAllInOneTableName()));
         try {
             Delete del = new Delete(Bytes.toBytes(resPath));
             table.delete(del);
-            table.flushCommits();
         } finally {
             IOUtils.closeQuietly(table);
         }
@@ -304,7 +301,7 @@
                 get.addColumn(B_FAMILY, B_COLUMN_TS);
         }
 
-        HTableInterface table = getConnection().getTable(getAllInOneTableName());
+        Table table = getConnection().getTable(TableName.valueOf(getAllInOneTableName()));
         try {
             Result result = table.get(get);
             boolean exists = result != null && (!result.isEmpty() || (result.getExists() != null && result.getExists()));
@@ -314,7 +311,7 @@
         }
     }
 
-    private Path writeLargeCellToHdfs(String resPath, byte[] largeColumn, HTableInterface table) throws IOException {
+    private Path writeLargeCellToHdfs(String resPath, byte[] largeColumn, Table table) throws IOException {
         Path redirectPath = bigCellHDFSPath(resPath);
         Configuration hconf = HBaseConnection.getCurrentHBaseConfiguration();
         FileSystem fileSystem = FileSystem.get(hconf);
@@ -340,7 +337,7 @@
         return redirectPath;
     }
 
-    private Put buildPut(String resPath, long ts, byte[] row, byte[] content, HTableInterface table) throws IOException {
+    private Put buildPut(String resPath, long ts, byte[] row, byte[] content, Table table) throws IOException {
         int kvSizeLimit = this.kylinConfig.getHBaseKeyValueSize();
         if (content.length > kvSizeLimit) {
             writeLargeCellToHdfs(resPath, content, table);
@@ -348,8 +345,8 @@
         }
 
         Put put = new Put(row);
-        put.add(B_FAMILY, B_COLUMN, content);
-        put.add(B_FAMILY, B_COLUMN_TS, Bytes.toBytes(ts));
+        put.addColumn(B_FAMILY, B_COLUMN, content);
+        put.addColumn(B_FAMILY, B_COLUMN_TS, Bytes.toBytes(ts));
 
         return put;
     }
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/SimpleHBaseStore.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/SimpleHBaseStore.java
index bbdb542..81f205e 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/SimpleHBaseStore.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/SimpleHBaseStore.java
@@ -26,12 +26,13 @@
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.BufferedMutator;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.cube.kv.RowConstants;
@@ -86,14 +87,13 @@
     }
 
     private class Writer implements IGTWriter {
-        final HTableInterface table;
+        final BufferedMutator table;
         final ByteBuffer rowkey = ByteBuffer.allocate(50);
         final ByteBuffer value = ByteBuffer.allocate(50);
 
         Writer() throws IOException {
-            HConnection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
-            table = conn.getTable(htableName);
-            table.setAutoFlush(false, true);
+            Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+            table = conn.getBufferedMutator(htableName);
         }
 
         @Override
@@ -113,24 +113,24 @@
 
             Put put = new Put(rowkey);
             put.addImmutable(CF_B, ByteBuffer.wrap(COL_B), HConstants.LATEST_TIMESTAMP, value);
-            table.put(put);
+            table.mutate(put);
         }
 
         @Override
         public void close() throws IOException {
-            table.flushCommits();
+            table.flush();
             table.close();
         }
     }
 
     class Reader implements IGTScanner {
-        final HTableInterface table;
+        final Table table;
         final ResultScanner scanner;
 
         int count = 0;
 
         Reader() throws IOException {
-            HConnection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+            Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
             table = conn.getTable(htableName);
 
             Scan scan = new Scan();
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeSegmentTupleIterator.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeSegmentTupleIterator.java
index 9eb05d2..7104da8 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeSegmentTupleIterator.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeSegmentTupleIterator.java
@@ -25,8 +25,9 @@
 import java.util.NoSuchElementException;
 import java.util.Set;
 
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
@@ -70,7 +71,7 @@
     protected final List<RowValueDecoder> rowValueDecoders;
     private final StorageContext context;
     private final String tableName;
-    private final HTableInterface table;
+    private final Table table;
 
     protected CubeTupleConverter tupleConverter;
     protected final Iterator<HBaseKeyRange> rangeIterator;
@@ -88,7 +89,7 @@
     private int advMeasureRowsRemaining;
     private int advMeasureRowIndex;
 
-    public CubeSegmentTupleIterator(CubeSegment cubeSeg, List<HBaseKeyRange> keyRanges, HConnection conn, //
+    public CubeSegmentTupleIterator(CubeSegment cubeSeg, List<HBaseKeyRange> keyRanges, Connection conn, //
             Set<TblColRef> dimensions, TupleFilter filter, Set<TblColRef> groupBy, //
             List<RowValueDecoder> rowValueDecoders, StorageContext context, TupleInfo returnTupleInfo) {
         this.cubeSeg = cubeSeg;
@@ -108,7 +109,7 @@
         this.rangeIterator = keyRanges.iterator();
 
         try {
-            this.table = conn.getTable(tableName);
+            this.table = conn.getTable(TableName.valueOf(tableName));
         } catch (Throwable t) {
             throw new StorageException("Error when open connection to table " + tableName, t);
         }
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeStorageQuery.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeStorageQuery.java
index 47e94de..7211ec1 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeStorageQuery.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeStorageQuery.java
@@ -33,7 +33,7 @@
 import java.util.Set;
 import java.util.TreeSet;
 
-import org.apache.hadoop.hbase.client.HConnection;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.common.util.Bytes;
 import org.apache.kylin.common.util.BytesUtil;
 import org.apache.kylin.common.util.Pair;
@@ -147,7 +147,7 @@
         setCoprocessor(groupsCopD, valueDecoders, context); // enable coprocessor if beneficial
         setLimit(filter, context);
 
-        HConnection conn = HBaseConnection.get(context.getConnUrl());
+        Connection conn = HBaseConnection.get(context.getConnUrl());
 
         // notice we're passing filterD down to storage instead of flatFilter
         return new SerializedHBaseTupleIterator(conn, scans, cubeInstance, dimensionsD, filterD, groupsCopD, valueDecoders, context, returnTupleInfo);
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/HBaseClientKVIterator.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/HBaseClientKVIterator.java
index 8aace22..aef3963 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/HBaseClientKVIterator.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/HBaseClientKVIterator.java
@@ -24,8 +24,9 @@
 

 import org.apache.commons.io.IOUtils;

 import org.apache.hadoop.hbase.Cell;

-import org.apache.hadoop.hbase.client.HConnection;

-import org.apache.hadoop.hbase.client.HTableInterface;

+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Result;

 import org.apache.hadoop.hbase.client.ResultScanner;

 import org.apache.hadoop.hbase.io.ImmutableBytesWritable;

@@ -40,14 +41,14 @@
 

     byte[] family;

 

-    HTableInterface table;

+    Table table;
     ResultScanner scanner;

     Iterator<Result> iterator;

 

-    public HBaseClientKVIterator(HConnection hconn, String tableName, byte[] family) throws IOException {

+    public HBaseClientKVIterator(Connection hconn, String tableName, byte[] family) throws IOException {
         this.family = family;

 

-        this.table = hconn.getTable(tableName);

+        this.table = hconn.getTable(TableName.valueOf(tableName));
         this.scanner = table.getScanner(family);

         this.iterator = scanner.iterator();

     }

diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/RegionScannerAdapter.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/RegionScannerAdapter.java
index 6342c5c..ae442fe 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/RegionScannerAdapter.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/RegionScannerAdapter.java
@@ -23,9 +23,11 @@
 

 import org.apache.hadoop.hbase.Cell;

 import org.apache.hadoop.hbase.HRegionInfo;

+import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.client.Result;

 import org.apache.hadoop.hbase.client.ResultScanner;

 import org.apache.hadoop.hbase.regionserver.RegionScanner;

+import org.apache.hadoop.hbase.regionserver.ScannerContext;
 

 /**

  * @author yangli9

@@ -50,7 +52,7 @@
     }

 

     @Override

-    public boolean next(List<Cell> result, int limit) throws IOException {

+    public boolean next(List<Cell> result, ScannerContext scannerContext) throws IOException {
         return next(result);

     }

 

@@ -60,7 +62,7 @@
     }

 

     @Override

-    public boolean nextRaw(List<Cell> result, int limit) throws IOException {

+    public boolean nextRaw(List<Cell> result, ScannerContext scannerContext) throws IOException {
         return next(result);

     }

 

@@ -94,4 +96,9 @@
         return Long.MAX_VALUE;

     }

 

+    @Override
+    public int getBatch() {
+        return -1;
+    }
+
 }

diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/SerializedHBaseTupleIterator.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/SerializedHBaseTupleIterator.java
index e8dd5b9..d033c77 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/SerializedHBaseTupleIterator.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/SerializedHBaseTupleIterator.java
@@ -25,7 +25,7 @@
 import java.util.NoSuchElementException;
 import java.util.Set;
 
-import org.apache.hadoop.hbase.client.HConnection;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.cube.CubeInstance;
 import org.apache.kylin.cube.CubeSegment;
 import org.apache.kylin.metadata.filter.TupleFilter;
@@ -57,7 +57,7 @@
     private int scanCount;
     private ITuple next;
 
-    public SerializedHBaseTupleIterator(HConnection conn, List<HBaseKeyRange> segmentKeyRanges, CubeInstance cube, //
+    public SerializedHBaseTupleIterator(Connection conn, List<HBaseKeyRange> segmentKeyRanges, CubeInstance cube, //
             Set<TblColRef> dimensions, TupleFilter filter, Set<TblColRef> groupBy, List<RowValueDecoder> rowValueDecoders, //
             StorageContext context, TupleInfo returnTupleInfo) {
 
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserver.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserver.java
index c7b650a..8dba1b1 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserver.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserver.java
@@ -26,7 +26,7 @@
 import org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
 import org.apache.hadoop.hbase.coprocessor.ObserverContext;
 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
-import org.apache.hadoop.hbase.regionserver.HRegion;
+import org.apache.hadoop.hbase.regionserver.Region;
 import org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost;
 import org.apache.hadoop.hbase.regionserver.RegionScanner;
 import org.apache.kylin.storage.hbase.common.coprocessor.CoprocessorBehavior;
@@ -99,7 +99,7 @@
         // start/end region operation & sync on scanner is suggested by the
         // javadoc of RegionScanner.nextRaw()
         // FIXME: will the lock still work when a iterator is returned? is it safe? Is readonly attribute helping here? by mhb
-        HRegion region = ctxt.getEnvironment().getRegion();
+        Region region = ctxt.getEnvironment().getRegion();
         region.startRegionOperation();
         try {
             synchronized (innerScanner) {
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregationScanner.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregationScanner.java
index d8b61b3..635a32f 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregationScanner.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregationScanner.java
@@ -24,7 +24,9 @@
 
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.regionserver.RegionScanner;
+import org.apache.hadoop.hbase.regionserver.ScannerContext;
 import org.apache.kylin.measure.MeasureAggregator;
 import org.apache.kylin.storage.hbase.common.coprocessor.AggrKey;
 import org.apache.kylin.storage.hbase.common.coprocessor.CoprocessorBehavior;
@@ -116,8 +118,8 @@
     }
 
     @Override
-    public boolean next(List<Cell> result, int limit) throws IOException {
-        return outerScanner.next(result, limit);
+    public boolean next(List<Cell> result, ScannerContext scannerContext) throws IOException {
+        return outerScanner.next(result, scannerContext);
     }
 
     @Override
@@ -126,8 +128,8 @@
     }
 
     @Override
-    public boolean nextRaw(List<Cell> result, int limit) throws IOException {
-        return outerScanner.nextRaw(result, limit);
+    public boolean nextRaw(List<Cell> result, ScannerContext scannerContext) throws IOException {
+        return outerScanner.nextRaw(result, scannerContext);
     }
 
     @Override
@@ -160,6 +162,11 @@
         return outerScanner.getMvccReadPoint();
     }
 
+    @Override
+    public int getBatch() {
+        return outerScanner.getBatch();
+    }
+
     private static class Stats {
         long inputRows = 0;
         long inputBytes = 0;
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverAggregationCache.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverAggregationCache.java
index 8404262..1809a44 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverAggregationCache.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverAggregationCache.java
@@ -24,12 +24,10 @@
 import java.util.List;
 import java.util.Map.Entry;
 
-import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.*;
 import org.apache.hadoop.hbase.KeyValue.Type;
 import org.apache.hadoop.hbase.regionserver.RegionScanner;
+import org.apache.hadoop.hbase.regionserver.ScannerContext;
 import org.apache.kylin.measure.MeasureAggregator;
 import org.apache.kylin.storage.hbase.common.coprocessor.AggrKey;
 import org.apache.kylin.storage.hbase.common.coprocessor.AggregationCache;
@@ -112,7 +110,7 @@
         }
 
         @Override
-        public boolean next(List<Cell> result, int limit) throws IOException {
+        public boolean next(List<Cell> result, ScannerContext scannerContext) throws IOException {
             return next(result);
         }
 
@@ -122,7 +120,7 @@
         }
 
         @Override
-        public boolean nextRaw(List<Cell> result, int limit) throws IOException {
+        public boolean nextRaw(List<Cell> result, ScannerContext scannerContext) throws IOException {
             return next(result);
         }
 
@@ -161,6 +159,11 @@
             // AggregateRegionObserver.LOG.info("Kylin Scanner getMvccReadPoint()");
             return Long.MAX_VALUE;
         }
+
+        @Override
+        public int getBatch() {
+            return innerScanner.getBatch();
+        }
     }
 
 }
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverEnabler.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverEnabler.java
index f0e9bed..c69fd8b 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverEnabler.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverEnabler.java
@@ -23,7 +23,7 @@
 import java.util.Map;
 import java.util.Set;
 
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.regionserver.RegionScanner;
@@ -60,7 +60,7 @@
     static final Map<String, Boolean> CUBE_OVERRIDES = Maps.newConcurrentMap();
 
     public static ResultScanner scanWithCoprocessorIfBeneficial(CubeSegment segment, Cuboid cuboid, TupleFilter tupleFiler, //
-            Collection<TblColRef> groupBy, Collection<RowValueDecoder> rowValueDecoders, StorageContext context, HTableInterface table, Scan scan) throws IOException {
+            Collection<TblColRef> groupBy, Collection<RowValueDecoder> rowValueDecoders, StorageContext context, Table table, Scan scan) throws IOException {
 
         if (context.isCoprocessorEnabled() == false) {
             return table.getScanner(scan);
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
index 12b1fa8..3a67d0c 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
@@ -35,8 +35,9 @@
 
 import org.apache.commons.lang.NotImplementedException;
 import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.coprocessor.Batch;
 import org.apache.hadoop.hbase.ipc.BlockingRpcCallback;
 import org.apache.hadoop.hbase.ipc.ServerRpcController;
@@ -267,7 +268,7 @@
         final ImmutableBitSet selectedColBlocks = scanRequest.getSelectedColBlocks().set(0);
 
         // globally shared connection, does not require close
-        final HConnection conn = HBaseConnection.get(cubeSeg.getCubeInstance().getConfig().getStorageUrl());
+        final Connection conn = HBaseConnection.get(cubeSeg.getCubeInstance().getConfig().getStorageUrl());
 
         final List<IntList> hbaseColumnsToGTIntList = Lists.newArrayList();
         List<List<Integer>> hbaseColumnsToGT = getHBaseColumnsGTMapping(selectedColBlocks);
@@ -339,7 +340,7 @@
 
                     Map<byte[], CubeVisitProtos.CubeVisitResponse> results;
                     try {
-                        results = getResults(builder.build(), conn.getTable(cubeSeg.getStorageLocationIdentifier()), epRange.getFirst(), epRange.getSecond());
+                        results = getResults(builder.build(), conn.getTable(TableName.valueOf(cubeSeg.getStorageLocationIdentifier())), epRange.getFirst(), epRange.getSecond());
                     } catch (Throwable throwable) {
                         throw new RuntimeException(logHeader + "Error when visiting cubes by endpoint", throwable);
                     }
@@ -384,7 +385,7 @@
 
     }
 
-    private Map<byte[], CubeVisitProtos.CubeVisitResponse> getResults(final CubeVisitProtos.CubeVisitRequest request, HTableInterface table, byte[] startKey, byte[] endKey) throws Throwable {
+    private Map<byte[], CubeVisitProtos.CubeVisitResponse> getResults(final CubeVisitProtos.CubeVisitRequest request, Table table, byte[] startKey, byte[] endKey) throws Throwable {
         Map<byte[], CubeVisitProtos.CubeVisitResponse> results = table.coprocessorService(CubeVisitProtos.CubeVisitService.class, startKey, endKey, new Batch.Call<CubeVisitProtos.CubeVisitService, CubeVisitProtos.CubeVisitResponse>() {
             public CubeVisitProtos.CubeVisitResponse call(CubeVisitProtos.CubeVisitService rowsService) throws IOException {
                 ServerRpcController controller = new ServerRpcController();
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseScanRPC.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseScanRPC.java
index 938145b..9b8a3de 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseScanRPC.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseScanRPC.java
@@ -24,8 +24,9 @@
 import java.util.List;
 
 import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
@@ -164,8 +165,8 @@
         // primary key (also the 0th column block) is always selected
         final ImmutableBitSet selectedColBlocks = scanRequest.getSelectedColBlocks().set(0);
         // globally shared connection, does not require close
-        HConnection hbaseConn = HBaseConnection.get(cubeSeg.getCubeInstance().getConfig().getStorageUrl());
-        final HTableInterface hbaseTable = hbaseConn.getTable(cubeSeg.getStorageLocationIdentifier());
+        Connection hbaseConn = HBaseConnection.get(cubeSeg.getCubeInstance().getConfig().getStorageUrl());
+        final Table hbaseTable = hbaseConn.getTable(TableName.valueOf(cubeSeg.getStorageLocationIdentifier()));
 
         List<RawScan> rawScans = preparedHBaseScans(scanRequest.getGTScanRanges(), selectedColBlocks);
         List<List<Integer>> hbaseColumnsToGT = getHBaseColumnsGTMapping(selectedColBlocks);
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/coprocessor/endpoint/CubeVisitService.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/coprocessor/endpoint/CubeVisitService.java
index 0cd35f1..c96d706 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/coprocessor/endpoint/CubeVisitService.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/coprocessor/endpoint/CubeVisitService.java
@@ -138,7 +138,7 @@
         if (shardLength == 0) {
             return;
         }
-        byte[] regionStartKey = ArrayUtils.isEmpty(region.getStartKey()) ? new byte[shardLength] : region.getStartKey();
+        byte[] regionStartKey = ArrayUtils.isEmpty(region.getRegionInfo().getStartKey()) ? new byte[shardLength] : region.getRegionInfo().getStartKey();
         Bytes.putBytes(rawScan.startKey, 0, regionStartKey, 0, shardLength);
         Bytes.putBytes(rawScan.endKey, 0, regionStartKey, 0, shardLength);
     }
@@ -174,7 +174,7 @@
         try {
             this.serviceStartTime = System.currentTimeMillis();
 
-            region = env.getRegion();
+            region = (HRegion)env.getRegion();
             region.startRegionOperation();
             debugGitTag = region.getTableDesc().getValue(IRealizationConstants.HTableGitTag);
 
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/IICreateHTableJob.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/IICreateHTableJob.java
index 9c96f21..a277eeb 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/IICreateHTableJob.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/IICreateHTableJob.java
@@ -24,7 +24,8 @@
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
 import org.apache.hadoop.hbase.regionserver.DisabledRegionSplitPolicy;
@@ -32,6 +33,7 @@
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.BytesUtil;
 import org.apache.kylin.engine.mr.common.AbstractHadoopJob;
+import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.apache.kylin.storage.hbase.util.IIDeployCoprocessorCLI;
 import org.apache.kylin.invertedindex.IIInstance;
 import org.apache.kylin.invertedindex.IIManager;
@@ -47,7 +49,7 @@
     @Override
     public int run(String[] args) throws Exception {
         Options options = new Options();
-        HBaseAdmin admin = null;
+        Admin admin = null;
         try {
             options.addOption(OPTION_II_NAME);
             options.addOption(OPTION_HTABLE_NAME);
@@ -63,10 +65,11 @@
 
 
             Configuration conf = HBaseConfiguration.create(getConf());
+            Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
             // check if the table already exists
-            admin = new HBaseAdmin(conf);
-            if (admin.tableExists(tableName)) {
-                if (admin.isTableEnabled(tableName)) {
+            admin = conn.getAdmin();
+            if (admin.tableExists(TableName.valueOf(tableName))) {
+                if (admin.isTableEnabled(TableName.valueOf(tableName))) {
                     logger.info("Table " + tableName + " already exists and is enabled, no need to create.");
                     return 0;
                 } else {
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/InvertedIndexStorageQuery.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/InvertedIndexStorageQuery.java
index fef9662..fa782bf 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/InvertedIndexStorageQuery.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/InvertedIndexStorageQuery.java
@@ -20,7 +20,7 @@
 
 import java.util.ArrayList;
 
-import org.apache.hadoop.hbase.client.HConnection;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.invertedindex.IIInstance;
 import org.apache.kylin.invertedindex.IISegment;
 import org.apache.kylin.metadata.realization.SQLDigest;
@@ -53,8 +53,8 @@
     public ITupleIterator search(StorageContext context, SQLDigest sqlDigest, TupleInfo returnTupleInfo) {
         String tableName = seg.getStorageLocationIdentifier();
 
-        //HConnection is cached, so need not be closed
-        HConnection conn = HBaseConnection.get(context.getConnUrl());
+        //Connection is cached, so need not be closed
+        Connection conn = HBaseConnection.get(context.getConnUrl());
         try {
             dataIterator = new EndpointTupleIterator(seg, sqlDigest.filter, sqlDigest.groupbyColumns, new ArrayList<>(sqlDigest.aggregations), context, conn, returnTupleInfo);
             return dataIterator;
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/EndpointTupleIterator.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/EndpointTupleIterator.java
index 4ec421b..8da8e59 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/EndpointTupleIterator.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/EndpointTupleIterator.java
@@ -31,8 +31,9 @@
 
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.SerializationUtils;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.coprocessor.Batch;
 import org.apache.hadoop.hbase.ipc.BlockingRpcCallback;
 import org.apache.hadoop.hbase.ipc.ServerRpcController;
@@ -93,16 +94,16 @@
 
     private Iterator<List<IIProtos.IIResponseInternal.IIRow>> regionResponsesIterator = null;
     private ITupleIterator tupleIterator = null;
-    private HTableInterface table = null;
+    private Table table = null;
 
     private TblColRef partitionCol;
     private long lastDataTime = -1;
     private int rowsInAllMetric = 0;
 
-    public EndpointTupleIterator(IISegment segment, TupleFilter rootFilter, Collection<TblColRef> groupBy, List<FunctionDesc> measures, StorageContext context, HConnection conn, TupleInfo returnTupleInfo) throws Throwable {
+    public EndpointTupleIterator(IISegment segment, TupleFilter rootFilter, Collection<TblColRef> groupBy, List<FunctionDesc> measures, StorageContext context, Connection conn, TupleInfo returnTupleInfo) throws Throwable {
 
         String tableName = segment.getStorageLocationIdentifier();
-        table = conn.getTable(tableName);
+        table = conn.getTable(TableName.valueOf(tableName));
         factTableName = segment.getIIDesc().getFactTableName();
 
         if (rootFilter == null) {
@@ -290,7 +291,7 @@
         return request;
     }
 
-    private Collection<IIProtos.IIResponse> getResults(final IIProtos.IIRequest request, HTableInterface table) throws Throwable {
+    private Collection<IIProtos.IIResponse> getResults(final IIProtos.IIRequest request, Table table) throws Throwable {
         Map<byte[], IIProtos.IIResponse> results = table.coprocessorService(IIProtos.RowsService.class, null, null, new Batch.Call<IIProtos.RowsService, IIProtos.IIResponse>() {
             public IIProtos.IIResponse call(IIProtos.RowsService rowsService) throws IOException {
                 ServerRpcController controller = new ServerRpcController();
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/IIEndpoint.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/IIEndpoint.java
index 48802cb..0b5a963 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/IIEndpoint.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/ii/coprocessor/endpoint/IIEndpoint.java
@@ -91,7 +91,7 @@
 
         if (request.hasTsRange()) {
             Range<Long> tsRange = (Range<Long>) SerializationUtils.deserialize(HBaseZeroCopyByteString.zeroCopyGetBytes(request.getTsRange()));
-            byte[] regionStartKey = region.getStartKey();
+            byte[] regionStartKey = region.getRegionInfo().getStartKey();
             if (!ArrayUtils.isEmpty(regionStartKey)) {
                 shard = BytesUtil.readUnsigned(regionStartKey, 0, IIKeyValueCodec.SHARD_LEN);
             } else {
@@ -145,7 +145,7 @@
         HRegion region = null;
 
         try {
-            region = env.getRegion();
+            region = (HRegion)env.getRegion();
             region.startRegionOperation();
 
             innerScanner = region.getScanner(prepareScan(request, region));
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/CubeHTableUtil.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/CubeHTableUtil.java
index 14f47ef..455d203 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/CubeHTableUtil.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/CubeHTableUtil.java
@@ -25,7 +25,8 @@
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
 import org.apache.hadoop.hbase.regionserver.BloomType;
@@ -79,7 +80,8 @@
         tableDesc.setValue(IRealizationConstants.HTableSegmentTag, cubeSegment.toString());
 
         Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        HBaseAdmin admin = new HBaseAdmin(conf);
+        Connection conn = HBaseConnection.get(kylinConfig.getStorageUrl());
+        Admin admin = conn.getAdmin();
 
         try {
             if (User.isHBaseSecurityEnabled(conf)) {
@@ -92,7 +94,7 @@
                 tableDesc.addFamily(cf);
             }
 
-            if (admin.tableExists(tableName)) {
+            if (admin.tableExists(TableName.valueOf(tableName))) {
                 // admin.disableTable(tableName);
                 // admin.deleteTable(tableName);
                 throw new RuntimeException("HBase table " + tableName + " exists!");
@@ -101,7 +103,7 @@
             DeployCoprocessorCLI.deployCoprocessor(tableDesc);
 
             admin.createTable(tableDesc, splitKeys);
-            Preconditions.checkArgument(admin.isTableAvailable(tableName), "table " + tableName + " created, but is not available due to some reasons");
+            Preconditions.checkArgument(admin.isTableAvailable(TableName.valueOf(tableName)), "table " + tableName + " created, but is not available due to some reasons");
             logger.info("create hbase table " + tableName + " done.");
         } finally {
             admin.close();
@@ -110,8 +112,7 @@
     }
 
     public static void deleteHTable(TableName tableName) throws IOException {
-        Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        HBaseAdmin admin = new HBaseAdmin(conf);
+        Admin admin = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl()).getAdmin();
         try {
             if (admin.tableExists(tableName)) {
                 logger.info("disabling hbase table " + tableName);
@@ -126,8 +127,7 @@
     
     /** create a HTable that has the same performance settings as normal cube table, for benchmark purpose */
     public static void createBenchmarkHTable(TableName tableName, String cfName) throws IOException {
-        Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        HBaseAdmin admin = new HBaseAdmin(conf);
+        Admin admin = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl()).getAdmin();
         try {
             if (admin.tableExists(tableName)) {
                 logger.info("disabling hbase table " + tableName);
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/DeprecatedGCStep.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/DeprecatedGCStep.java
index 472b638..9dc9715 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/DeprecatedGCStep.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/DeprecatedGCStep.java
@@ -27,11 +27,11 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.common.KylinConfig;
-import org.apache.kylin.common.util.Bytes;
 import org.apache.kylin.engine.mr.HadoopUtil;
 import org.apache.kylin.job.exception.ExecuteException;
 import org.apache.kylin.job.execution.AbstractExecutable;
@@ -100,19 +100,21 @@
         List<String> oldTables = getOldHTables();
         if (oldTables != null && oldTables.size() > 0) {
             String metadataUrlPrefix = KylinConfig.getInstanceFromEnv().getMetadataUrlPrefix();
-            Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-            HBaseAdmin admin = null;
+            Admin admin = null;
             try {
-                admin = new HBaseAdmin(conf);
+
+                Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+                admin = conn.getAdmin();
+
                 for (String table : oldTables) {
-                    if (admin.tableExists(table)) {
-                        HTableDescriptor tableDescriptor = admin.getTableDescriptor(Bytes.toBytes(table));
+                    if (admin.tableExists(TableName.valueOf(table))) {
+                        HTableDescriptor tableDescriptor = admin.getTableDescriptor(TableName.valueOf(table));
                         String host = tableDescriptor.getValue(IRealizationConstants.HTableTag);
                         if (metadataUrlPrefix.equalsIgnoreCase(host)) {
-                            if (admin.isTableEnabled(table)) {
-                                admin.disableTable(table);
+                            if (admin.isTableEnabled(TableName.valueOf(table))) {
+                                admin.disableTable(TableName.valueOf(table));
                             }
-                            admin.deleteTable(table);
+                            admin.deleteTable(TableName.valueOf(table));
                             logger.debug("Dropped HBase table " + table);
                             output.append("Dropped HBase table " + table + " \n");
                         } else {
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseCuboidWriter.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseCuboidWriter.java
index ddc868d..5063e00 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseCuboidWriter.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseCuboidWriter.java
@@ -36,7 +36,7 @@
 import com.google.common.collect.Lists;
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.kylin.common.util.ImmutableBitSet;
 import org.apache.kylin.cube.CubeSegment;
@@ -63,7 +63,7 @@
 
     private final List<KeyValueCreator> keyValueCreators;
     private final int nColumns;
-    private final HTableInterface hTable;
+    private final Table hTable;
     private final CubeDesc cubeDesc;
     private final CubeSegment cubeSegment;
     private final Object[] measureValues;
@@ -72,7 +72,7 @@
     private AbstractRowKeyEncoder rowKeyEncoder;
     private byte[] keybuf;
 
-    public HBaseCuboidWriter(CubeSegment segment, HTableInterface hTable) {
+    public HBaseCuboidWriter(CubeSegment segment, Table hTable) {
         this.keyValueCreators = Lists.newArrayList();
         this.cubeSegment = segment;
         this.cubeDesc = cubeSegment.getCubeDesc();
@@ -131,7 +131,6 @@
                 long t = System.currentTimeMillis();
                 if (hTable != null) {
                     hTable.put(puts);
-                    hTable.flushCommits();
                 }
                 logger.info("commit total " + puts.size() + " puts, totally cost:" + (System.currentTimeMillis() - t) + "ms");
                 puts.clear();
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseStreamingOutput.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseStreamingOutput.java
index fa62a62..cf5c9d4 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseStreamingOutput.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseStreamingOutput.java
@@ -28,7 +28,8 @@
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.measure.hllc.HyperLogLogPlusCounter;
 import org.apache.kylin.common.persistence.ResourceStore;
@@ -55,7 +56,7 @@
         try {
             CubeSegment cubeSegment = (CubeSegment) buildable;
 
-            final HTableInterface hTable;
+            final Table hTable;
             hTable = createHTable(cubeSegment);
             List<ICuboidWriter> cuboidWriters = Lists.newArrayList();
             cuboidWriters.add(new HBaseCuboidWriter(cubeSegment, hTable));
@@ -87,10 +88,10 @@
         }
     }
 
-    private HTableInterface createHTable(final CubeSegment cubeSegment) throws IOException {
+    private Table createHTable(final CubeSegment cubeSegment) throws IOException {
         final String hTableName = cubeSegment.getStorageLocationIdentifier();
         CubeHTableUtil.createHTable(cubeSegment, null);
-        final HTableInterface hTable = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl()).getTable(hTableName);
+        final Table hTable = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl()).getTable(TableName.valueOf(hTableName));
         logger.info("hTable:" + hTableName + " for segment:" + cubeSegment.getName() + " created!");
         return hTable;
     }
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/MergeGCStep.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/MergeGCStep.java
index a1377f2..dfde2dd 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/MergeGCStep.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/MergeGCStep.java
@@ -24,12 +24,11 @@
 import java.util.List;
 
 import org.apache.commons.lang.StringUtils;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.common.KylinConfig;
-import org.apache.kylin.common.util.Bytes;
 import org.apache.kylin.job.exception.ExecuteException;
 import org.apache.kylin.job.execution.AbstractExecutable;
 import org.apache.kylin.job.execution.ExecutableContext;
@@ -70,19 +69,20 @@
         List<String> oldTables = getOldHTables();
         if (oldTables != null && oldTables.size() > 0) {
             String metadataUrlPrefix = KylinConfig.getInstanceFromEnv().getMetadataUrlPrefix();
-            Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-            HBaseAdmin admin = null;
+            Admin admin = null;
             try {
-                admin = new HBaseAdmin(conf);
+                Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+                admin = conn.getAdmin();
+
                 for (String table : oldTables) {
-                    if (admin.tableExists(table)) {
-                        HTableDescriptor tableDescriptor = admin.getTableDescriptor(Bytes.toBytes(table));
+                    if (admin.tableExists(TableName.valueOf(table))) {
+                        HTableDescriptor tableDescriptor = admin.getTableDescriptor(TableName.valueOf((table)));
                         String host = tableDescriptor.getValue(IRealizationConstants.HTableTag);
                         if (metadataUrlPrefix.equalsIgnoreCase(host)) {
-                            if (admin.isTableEnabled(table)) {
-                                admin.disableTable(table);
+                            if (admin.isTableEnabled(TableName.valueOf(table))) {
+                                admin.disableTable(TableName.valueOf(table));
                             }
-                            admin.deleteTable(table);
+                            admin.deleteTable(TableName.valueOf(table));
                             logger.debug("Dropped htable: " + table);
                             output.append("HBase table " + table + " is dropped. \n");
                         } else {
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CleanHtableCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CleanHtableCLI.java
index 1ba96e9..8c19b9f 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CleanHtableCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CleanHtableCLI.java
@@ -21,11 +21,12 @@
 import java.io.IOException;
 
 import org.apache.commons.cli.Options;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.util.ToolRunner;
+import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.engine.mr.common.AbstractHadoopJob;
 import org.apache.kylin.metadata.realization.IRealizationConstants;
 import org.apache.kylin.storage.hbase.HBaseConnection;
@@ -53,8 +54,8 @@
     }
 
     private void clean() throws IOException {
-        Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
+        Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+        Admin hbaseAdmin = conn.getAdmin();
 
         for (HTableDescriptor descriptor : hbaseAdmin.listTables()) {
             String name = descriptor.getNameAsString().toLowerCase();
@@ -65,7 +66,7 @@
                 System.out.println();
 
                 descriptor.setValue(IRealizationConstants.HTableOwner, "DL-eBay-Kylin@ebay.com");
-                hbaseAdmin.modifyTable(descriptor.getNameAsString(), descriptor);
+                hbaseAdmin.modifyTable(TableName.valueOf(descriptor.getNameAsString()), descriptor);
             }
         }
         hbaseAdmin.close();
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCLI.java
index 5acecbc..05eef7a 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCLI.java
@@ -73,7 +73,7 @@
     private static ResourceStore srcStore;
     private static ResourceStore dstStore;
     private static FileSystem hdfsFS;
-    private static HBaseAdmin hbaseAdmin;
+    private static Admin hbaseAdmin;
 
     public static final String ACL_INFO_FAMILY = "i";
     private static final String ACL_TABLE_NAME = "_acl";
@@ -117,8 +117,8 @@
 
         checkAndGetHbaseUrl();
 
-        Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        hbaseAdmin = new HBaseAdmin(conf);
+        Connection conn = HBaseConnection.get(srcConfig.getStorageUrl());
+        hbaseAdmin = conn.getAdmin();
 
         hdfsFS = FileSystem.get(new Configuration());
 
@@ -142,6 +142,10 @@
         } else {
             showOpts();
         }
+        
+        checkMigrationSuccess(dstConfig, cubeName, true);
+
+        IOUtils.closeQuietly(hbaseAdmin);
     }
 
     public static void moveCube(String srcCfgUri, String dstCfgUri, String cubeName, String projectName, String copyAcl, String purgeAndDisable, String overwriteIfExists, String realExecute) throws IOException, InterruptedException {
@@ -311,10 +315,10 @@
             case CHANGE_HTABLE_HOST: {
                 String tableName = (String) opt.params[0];
                 HTableDescriptor desc = hbaseAdmin.getTableDescriptor(TableName.valueOf(tableName));
-                hbaseAdmin.disableTable(tableName);
+                hbaseAdmin.disableTable(TableName.valueOf(tableName));
                 desc.setValue(IRealizationConstants.HTableTag, dstConfig.getMetadataUrlPrefix());
-                hbaseAdmin.modifyTable(tableName, desc);
-                hbaseAdmin.enableTable(tableName);
+                hbaseAdmin.modifyTable(TableName.valueOf(tableName), desc);
+                hbaseAdmin.enableTable(TableName.valueOf(tableName));
                 logger.info("CHANGE_HTABLE_HOST is completed");
                 break;
             }
@@ -425,11 +429,11 @@
                 Serializer<ProjectInstance> projectSerializer = new JsonSerializer<ProjectInstance>(ProjectInstance.class);
                 ProjectInstance project = dstStore.getResource(projectResPath, ProjectInstance.class, projectSerializer);
                 String projUUID = project.getUuid();
-                HTableInterface srcAclHtable = null;
-                HTableInterface destAclHtable = null;
+                Table srcAclHtable = null;
+                Table destAclHtable = null;
                 try {
-                    srcAclHtable = HBaseConnection.get(srcConfig.getStorageUrl()).getTable(srcConfig.getMetadataUrlPrefix() + ACL_TABLE_NAME);
-                    destAclHtable = HBaseConnection.get(dstConfig.getStorageUrl()).getTable(dstConfig.getMetadataUrlPrefix() + ACL_TABLE_NAME);
+                    srcAclHtable = HBaseConnection.get(srcConfig.getStorageUrl()).getTable(TableName.valueOf(srcConfig.getMetadataUrlPrefix() + ACL_TABLE_NAME));
+                    destAclHtable = HBaseConnection.get(dstConfig.getStorageUrl()).getTable(TableName.valueOf(dstConfig.getMetadataUrlPrefix() + ACL_TABLE_NAME));
 
                     // cube acl
                     Result result  = srcAclHtable.get(new Get(Bytes.toBytes(cubeId)));
@@ -445,11 +449,10 @@
                                 value = Bytes.toBytes(valueString);
                             }
                             Put put = new Put(Bytes.toBytes(cubeId));
-                            put.add(family, column, value);
+                            put.addColumn(CellUtil.cloneFamily(cell), CellUtil.cloneQualifier(cell), CellUtil.cloneValue(cell));
                             destAclHtable.put(put);
                         }
                     }
-                    destAclHtable.flushCommits();
                 } finally {
                     IOUtils.closeQuietly(srcAclHtable);
                     IOUtils.closeQuietly(destAclHtable);
@@ -476,10 +479,10 @@
             case CHANGE_HTABLE_HOST: {
                 String tableName = (String) opt.params[0];
                 HTableDescriptor desc = hbaseAdmin.getTableDescriptor(TableName.valueOf(tableName));
-                hbaseAdmin.disableTable(tableName);
+                hbaseAdmin.disableTable(TableName.valueOf(tableName));
                 desc.setValue(IRealizationConstants.HTableTag, srcConfig.getMetadataUrlPrefix());
-                hbaseAdmin.modifyTable(tableName, desc);
-                hbaseAdmin.enableTable(tableName);
+                hbaseAdmin.modifyTable(TableName.valueOf(tableName), desc);
+                hbaseAdmin.enableTable(TableName.valueOf(tableName));
                 break;
             }
             case COPY_FILE_IN_META: {
@@ -509,13 +512,12 @@
             case COPY_ACL: {
                 String cubeId = (String) opt.params[0];
                 String modelId = (String) opt.params[1];
-                HTableInterface destAclHtable = null;
+                Table destAclHtable = null;
                 try {
-                    destAclHtable = HBaseConnection.get(dstConfig.getStorageUrl()).getTable(dstConfig.getMetadataUrlPrefix() + ACL_TABLE_NAME);
+                    destAclHtable = HBaseConnection.get(dstConfig.getStorageUrl()).getTable(TableName.valueOf(dstConfig.getMetadataUrlPrefix() + ACL_TABLE_NAME));
 
                     destAclHtable.delete(new Delete(Bytes.toBytes(cubeId)));
                     destAclHtable.delete(new Delete(Bytes.toBytes(modelId)));
-                    destAclHtable.flushCommits();
                 } finally {
                     IOUtils.closeQuietly(destAclHtable);
                 }
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCheckCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCheckCLI.java
index f1fc8e1..b735864 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCheckCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/CubeMigrationCheckCLI.java
@@ -27,7 +27,9 @@
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.OptionsHelper;
 import org.apache.kylin.cube.CubeInstance;
@@ -61,7 +63,7 @@
 
 
     private KylinConfig dstCfg;
-    private HBaseAdmin hbaseAdmin;
+    private Admin hbaseAdmin;
 
     private List<String> issueExistHTables;
     private List<String> inconsistentHTables;
@@ -129,9 +131,8 @@
         this.dstCfg = kylinConfig;
         this.ifFix = isFix;
 
-        Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        hbaseAdmin = new HBaseAdmin(conf);
-
+        Connection conn = HBaseConnection.get(kylinConfig.getStorageUrl());
+        hbaseAdmin = conn.getAdmin();
         issueExistHTables = Lists.newArrayList();
         inconsistentHTables = Lists.newArrayList();
     }
@@ -188,10 +189,10 @@
                 String[] sepNameList = segFullName.split(",");
                 HTableDescriptor desc = hbaseAdmin.getTableDescriptor(TableName.valueOf(sepNameList[0]));
                 logger.info("Change the host of htable "+sepNameList[0]+"belonging to cube "+sepNameList[1]+" from "+desc.getValue(IRealizationConstants.HTableTag)+" to "+dstCfg.getMetadataUrlPrefix());
-                hbaseAdmin.disableTable(sepNameList[0]);
+                hbaseAdmin.disableTable(TableName.valueOf(sepNameList[0]));
                 desc.setValue(IRealizationConstants.HTableTag, dstCfg.getMetadataUrlPrefix());
-                hbaseAdmin.modifyTable(sepNameList[0], desc);
-                hbaseAdmin.enableTable(sepNameList[0]);
+                hbaseAdmin.modifyTable(TableName.valueOf(sepNameList[0]), desc);
+                hbaseAdmin.enableTable(TableName.valueOf(sepNameList[0]));
             }
         }else{
             logger.info("------ Inconsistent HTables Needed To Be Fixed ------");
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/DeployCoprocessorCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/DeployCoprocessorCLI.java
index 270da13..f742e3e 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/DeployCoprocessorCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/DeployCoprocessorCLI.java
@@ -40,7 +40,9 @@
 import org.apache.hadoop.hbase.HTableDescriptor;

 import org.apache.hadoop.hbase.TableName;

 import org.apache.hadoop.hbase.TableNotFoundException;

-import org.apache.hadoop.hbase.client.HBaseAdmin;

+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.io.ImmutableBytesWritable;

 import org.apache.kylin.common.KylinConfig;

 import org.apache.kylin.common.KylinVersion;

@@ -80,7 +82,8 @@
         KylinConfig kylinConfig = KylinConfig.getInstanceFromEnv();

         Configuration hconf = HBaseConnection.getCurrentHBaseConfiguration();

         FileSystem fileSystem = FileSystem.get(hconf);

-        HBaseAdmin hbaseAdmin = new HBaseAdmin(hconf);

+        Connection conn = HBaseConnection.get(kylinConfig.getStorageUrl());
+        Admin hbaseAdmin = conn.getAdmin();
 

         String localCoprocessorJar;

         if ("default".equals(args[0])) {

@@ -163,10 +166,10 @@
     public static void deployCoprocessor(HTableDescriptor tableDesc) {

         try {

             initHTableCoprocessor(tableDesc);

-            logger.info("hbase table " + tableDesc.getName() + " deployed with coprocessor.");

+            logger.info("hbase table " + tableDesc.getTableName() + " deployed with coprocessor.");
 

         } catch (Exception ex) {

-            logger.error("Error deploying coprocessor on " + tableDesc.getName(), ex);

+            logger.error("Error deploying coprocessor on " + tableDesc.getTableName(), ex);
             logger.error("Will try creating the table without coprocessor.");

         }

     }

@@ -189,9 +192,9 @@
         desc.addCoprocessor(CubeObserverClass, hdfsCoprocessorJar, 1002, null);

     }

 

-    public static void resetCoprocessor(String tableName, HBaseAdmin hbaseAdmin, Path hdfsCoprocessorJar) throws IOException {

+    public static void resetCoprocessor(String tableName, Admin hbaseAdmin, Path hdfsCoprocessorJar) throws IOException {
         logger.info("Disable " + tableName);

-        hbaseAdmin.disableTable(tableName);

+        hbaseAdmin.disableTable(TableName.valueOf(tableName));
 

         logger.info("Unset coprocessor on " + tableName);

         HTableDescriptor desc = hbaseAdmin.getTableDescriptor(TableName.valueOf(tableName));

@@ -219,13 +222,13 @@
             desc.setValue(IRealizationConstants.HTableGitTag, commitInfo);

         }

 

-        hbaseAdmin.modifyTable(tableName, desc);

+        hbaseAdmin.modifyTable(TableName.valueOf(tableName), desc);
 

         logger.info("Enable " + tableName);

-        hbaseAdmin.enableTable(tableName);

+        hbaseAdmin.enableTable(TableName.valueOf(tableName));
     }

 

-    private static List<String> resetCoprocessorOnHTables(HBaseAdmin hbaseAdmin, Path hdfsCoprocessorJar, List<String> tableNames) throws IOException {

+    private static List<String> resetCoprocessorOnHTables(Admin hbaseAdmin, Path hdfsCoprocessorJar, List<String> tableNames) throws IOException {
         List<String> processed = new ArrayList<String>();

 

         for (String tableName : tableNames) {

@@ -336,7 +339,7 @@
         return coprocessorDir;

     }

 

-    private static Set<String> getCoprocessorJarPaths(HBaseAdmin hbaseAdmin, List<String> tableNames) throws IOException {

+    private static Set<String> getCoprocessorJarPaths(Admin hbaseAdmin, List<String> tableNames) throws IOException {
         HashSet<String> result = new HashSet<String>();

 

         for (String tableName : tableNames) {

diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/ExtendCubeToHybridCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/ExtendCubeToHybridCLI.java
index c55bde4..ad5b647 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/ExtendCubeToHybridCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/ExtendCubeToHybridCLI.java
@@ -26,8 +26,9 @@
 import org.apache.commons.lang3.StringUtils;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
+import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.kylin.common.KylinConfig;
@@ -232,9 +233,9 @@
         Serializer<ProjectInstance> projectSerializer = new JsonSerializer<ProjectInstance>(ProjectInstance.class);
         ProjectInstance project = store.getResource(projectResPath, ProjectInstance.class, projectSerializer);
         String projUUID = project.getUuid();
-        HTableInterface aclHtable = null;
+        Table aclHtable = null;
         try {
-            aclHtable = HBaseConnection.get(kylinConfig.getStorageUrl()).getTable(kylinConfig.getMetadataUrlPrefix() + "_acl");
+            aclHtable = HBaseConnection.get(kylinConfig.getStorageUrl()).getTable(TableName.valueOf(kylinConfig.getMetadataUrlPrefix() + "_acl"));
 
             // cube acl
             Result result = aclHtable.get(new Get(Bytes.toBytes(origCubeId)));
@@ -254,7 +255,6 @@
                     aclHtable.put(put);
                 }
             }
-            aclHtable.flushCommits();
         } finally {
             IOUtils.closeQuietly(aclHtable);
         }
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/GridTableHBaseBenchmark.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/GridTableHBaseBenchmark.java
index 8a88b6d..760ed3a 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/GridTableHBaseBenchmark.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/GridTableHBaseBenchmark.java
@@ -28,9 +28,9 @@
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TableNotFoundException;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
@@ -75,7 +75,7 @@
         System.out.println("Testing grid table scanning, hit ratio " + hitRatio + ", index ratio " + indexRatio);
         String hbaseUrl = "hbase"; // use hbase-site.xml on classpath
 
-        HConnection conn = HBaseConnection.get(hbaseUrl);
+        Connection conn = HBaseConnection.get(hbaseUrl);
         createHTableIfNeeded(conn, TEST_TABLE);
         prepareData(conn);
 
@@ -91,10 +91,10 @@
 
     }
 
-    private static void testColumnScan(HConnection conn, List<Pair<Integer, Integer>> colScans) throws IOException {
+    private static void testColumnScan(Connection conn, List<Pair<Integer, Integer>> colScans) throws IOException {
         Stats stats = new Stats("COLUMN_SCAN");
 
-        HTableInterface table = conn.getTable(TEST_TABLE);
+        Table table = conn.getTable(TableName.valueOf(TEST_TABLE));
         try {
             stats.markStart();
 
@@ -122,20 +122,20 @@
         }
     }
 
-    private static void testRowScanNoIndexFullScan(HConnection conn, boolean[] hits) throws IOException {
+    private static void testRowScanNoIndexFullScan(Connection conn, boolean[] hits) throws IOException {
         fullScan(conn, hits, new Stats("ROW_SCAN_NO_IDX_FULL"));
     }
 
-    private static void testRowScanNoIndexSkipScan(HConnection conn, boolean[] hits) throws IOException {
+    private static void testRowScanNoIndexSkipScan(Connection conn, boolean[] hits) throws IOException {
         jumpScan(conn, hits, new Stats("ROW_SCAN_NO_IDX_SKIP"));
     }
 
-    private static void testRowScanWithIndex(HConnection conn, boolean[] hits) throws IOException {
+    private static void testRowScanWithIndex(Connection conn, boolean[] hits) throws IOException {
         jumpScan(conn, hits, new Stats("ROW_SCAN_IDX"));
     }
 
-    private static void fullScan(HConnection conn, boolean[] hits, Stats stats) throws IOException {
-        HTableInterface table = conn.getTable(TEST_TABLE);
+    private static void fullScan(Connection conn, boolean[] hits, Stats stats) throws IOException {
+        Table table = conn.getTable(TableName.valueOf(TEST_TABLE));
         try {
             stats.markStart();
 
@@ -156,11 +156,11 @@
         }
     }
 
-    private static void jumpScan(HConnection conn, boolean[] hits, Stats stats) throws IOException {
+    private static void jumpScan(Connection conn, boolean[] hits, Stats stats) throws IOException {
 
         final int jumpThreshold = 6; // compensate for Scan() overhead, totally by experience
 
-        HTableInterface table = conn.getTable(TEST_TABLE);
+        Table table = conn.getTable(TableName.valueOf(TEST_TABLE));
         try {
 
             stats.markStart();
@@ -204,8 +204,8 @@
         }
     }
 
-    private static void prepareData(HConnection conn) throws IOException {
-        HTableInterface table = conn.getTable(TEST_TABLE);
+    private static void prepareData(Connection conn) throws IOException {
+        Table table = conn.getTable(TableName.valueOf(TEST_TABLE));
 
         try {
             // check how many rows existing
@@ -258,8 +258,8 @@
         return bytes;
     }
 
-    private static void createHTableIfNeeded(HConnection conn, String tableName) throws IOException {
-        HBaseAdmin hbase = new HBaseAdmin(conn);
+    private static void createHTableIfNeeded(Connection conn, String tableName) throws IOException {
+        Admin hbase = conn.getAdmin();
 
         try {
             boolean tableExist = false;
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseClean.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseClean.java
index 4ce0dac..f5b315d 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseClean.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseClean.java
@@ -29,8 +29,12 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.util.ToolRunner;
+import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.engine.mr.common.AbstractHadoopJob;
 import org.apache.kylin.metadata.realization.IRealizationConstants;
 import org.apache.kylin.storage.hbase.HBaseConnection;
@@ -79,8 +83,8 @@
     private void cleanUp() {
         try {
             // get all kylin hbase tables
-            Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-            HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
+            Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+            Admin hbaseAdmin = conn.getAdmin();
             String tableNamePrefix = IRealizationConstants.SharedHbaseStorageLocationPrefix;
             HTableDescriptor[] tableDescriptors = hbaseAdmin.listTables(tableNamePrefix + ".*");
             List<String> allTablesNeedToBeDropped = Lists.newArrayList();
@@ -95,12 +99,12 @@
                 // drop tables
                 for (String htableName : allTablesNeedToBeDropped) {
                     logger.info("Deleting HBase table " + htableName);
-                    if (hbaseAdmin.tableExists(htableName)) {
-                        if (hbaseAdmin.isTableEnabled(htableName)) {
-                            hbaseAdmin.disableTable(htableName);
+                    if (hbaseAdmin.tableExists(TableName.valueOf(htableName))) {
+                        if (hbaseAdmin.isTableEnabled(TableName.valueOf(htableName))) {
+                            hbaseAdmin.disableTable(TableName.valueOf(htableName));
                         }
 
-                        hbaseAdmin.deleteTable(htableName);
+                        hbaseAdmin.deleteTable(TableName.valueOf(htableName));
                         logger.info("Deleted HBase table " + htableName);
                     } else {
                         logger.info("HBase table" + htableName + " does not exist");
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseRegionSizeCalculator.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseRegionSizeCalculator.java
index 346c3a2..58aa8fd 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseRegionSizeCalculator.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseRegionSizeCalculator.java
@@ -20,22 +20,11 @@
 package org.apache.kylin.storage.hbase.util;
 
 import java.io.IOException;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.TreeSet;
+import java.util.*;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.ClusterStatus;
-import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.RegionLoad;
-import org.apache.hadoop.hbase.ServerLoad;
-import org.apache.hadoop.hbase.ServerName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.*;
+import org.apache.hadoop.hbase.client.*;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.kylin.common.util.Pair;
 import org.slf4j.Logger;
@@ -57,30 +46,31 @@
     /**
      * Computes size of each region for table and given column families.
      * */
-    public HBaseRegionSizeCalculator(HTable table) throws IOException {
-        this(table, new HBaseAdmin(table.getConfiguration()));
-    }
+    public HBaseRegionSizeCalculator(String tableName, Connection hbaseConnection) throws IOException {
 
-    /** Constructor for unit testing */
-    HBaseRegionSizeCalculator(HTable table, HBaseAdmin hBaseAdmin) throws IOException {
-
+        Table table = null;
+        Admin admin = null;
         try {
+            table = hbaseConnection.getTable(TableName.valueOf(tableName));
+            admin = hbaseConnection.getAdmin();
+
             if (!enabled(table.getConfiguration())) {
                 logger.info("Region size calculation disabled.");
                 return;
             }
 
-            logger.info("Calculating region sizes for table \"" + new String(table.getTableName()) + "\".");
+            logger.info("Calculating region sizes for table \"" + table.getName() + "\".");
 
             // Get regions for table.
-            Set<HRegionInfo> tableRegionInfos = table.getRegionLocations().keySet();
+            RegionLocator regionLocator = hbaseConnection.getRegionLocator(table.getName());
+            List<HRegionLocation> regionLocationList = regionLocator.getAllRegionLocations();
             Set<byte[]> tableRegions = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);
 
-            for (HRegionInfo regionInfo : tableRegionInfos) {
-                tableRegions.add(regionInfo.getRegionName());
+             for (HRegionLocation hRegionLocation : regionLocationList) {
+                 tableRegions.add(hRegionLocation.getRegionInfo().getRegionName());
             }
 
-            ClusterStatus clusterStatus = hBaseAdmin.getClusterStatus();
+            ClusterStatus clusterStatus = admin.getClusterStatus();
             Collection<ServerName> servers = clusterStatus.getServers();
             final long megaByte = 1024L * 1024L;
 
@@ -104,7 +94,7 @@
                 }
             }
         } finally {
-            hBaseAdmin.close();
+            admin.close();
         }
 
     }
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseUsage.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseUsage.java
index 0a791b7..8fb2f58 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseUsage.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HBaseUsage.java
@@ -26,12 +26,16 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
+import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.metadata.realization.IRealizationConstants;
 import org.apache.kylin.storage.hbase.HBaseConnection;
 
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
+import org.apache.kylin.storage.hbase.HBaseConnection;
 
 public class HBaseUsage {
 
@@ -43,8 +47,8 @@
         Map<String, List<String>> envs = Maps.newHashMap();
 
         // get all kylin hbase tables
-        Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
+        Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+        Admin hbaseAdmin = conn.getAdmin();
         String tableNamePrefix = IRealizationConstants.SharedHbaseStorageLocationPrefix;
         HTableDescriptor[] tableDescriptors = hbaseAdmin.listTables(tableNamePrefix + ".*");
         for (HTableDescriptor desc : tableDescriptors) {
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HbaseStreamingInput.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HbaseStreamingInput.java
index deb8da1..79f9fb3 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HbaseStreamingInput.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HbaseStreamingInput.java
@@ -32,15 +32,16 @@
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HConnectionManager;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.regionserver.DisabledRegionSplitPolicy;
+import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.Bytes;
 import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.slf4j.Logger;
@@ -58,11 +59,11 @@
     private static final byte[] QN = "C".getBytes();
 
     public static void createTable(String tableName) throws IOException {
-        HConnection conn = getConnection();
-        HBaseAdmin hadmin = new HBaseAdmin(conn);
+        Connection conn = getConnection();
+        Admin hadmin = conn.getAdmin();
 
         try {
-            boolean tableExist = hadmin.tableExists(tableName);
+            boolean tableExist = hadmin.tableExists(TableName.valueOf(tableName));
             if (tableExist) {
                 logger.info("HTable '" + tableName + "' already exists");
                 return;
@@ -119,8 +120,8 @@
                 e.printStackTrace();
             }
 
-            HConnection conn = getConnection();
-            HTableInterface table = conn.getTable(tableName);
+            Connection conn = getConnection();
+            Table table = conn.getTable(TableName.valueOf(tableName));
 
             byte[] key = new byte[8 + 4];//time + id
 
@@ -135,7 +136,7 @@
                 Bytes.putInt(key, 8, i);
                 Put put = new Put(key);
                 byte[] cell = randomBytes(CELL_SIZE);
-                put.add(CF, QN, cell);
+                put.addColumn(CF, QN, cell);
                 buffer.add(put);
             }
             table.put(buffer);
@@ -170,8 +171,8 @@
             }
 
             Random r = new Random();
-            HConnection conn = getConnection();
-            HTableInterface table = conn.getTable(tableName);
+            Connection conn = getConnection();
+            Table table = conn.getTable(TableName.valueOf(tableName));
 
             long leftBound = getFirstKeyTime(table);
             long rightBound = System.currentTimeMillis();
@@ -206,7 +207,7 @@
         }
     }
 
-    private static long getFirstKeyTime(HTableInterface table) throws IOException {
+    private static long getFirstKeyTime(Table table) throws IOException {
         long startTime = 0;
 
         Scan scan = new Scan();
@@ -224,8 +225,8 @@
 
     }
 
-    private static HConnection getConnection() throws IOException {
-        return HConnectionManager.createConnection(HBaseConnection.getCurrentHBaseConfiguration());
+    private static Connection getConnection() throws IOException {
+        return HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
     }
 
     private static String formatTime(long time) {
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HtableAlterMetadataCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HtableAlterMetadataCLI.java
index 2b4a9a7..095743f 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HtableAlterMetadataCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/HtableAlterMetadataCLI.java
@@ -27,8 +27,11 @@
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.util.ToolRunner;
+import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.engine.mr.common.AbstractHadoopJob;
 import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.slf4j.Logger;
@@ -71,8 +74,8 @@
     }
 
     private void alter() throws IOException {
-        Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
-        HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
+        Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+        Admin hbaseAdmin = conn.getAdmin();
         HTableDescriptor table = hbaseAdmin.getTableDescriptor(TableName.valueOf(tableName));
 
         hbaseAdmin.disableTable(table.getTableName());
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/OrphanHBaseCleanJob.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/OrphanHBaseCleanJob.java
index f0618c9..b7303a5 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/OrphanHBaseCleanJob.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/OrphanHBaseCleanJob.java
@@ -31,10 +31,15 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.util.ToolRunner;
+import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.engine.mr.common.AbstractHadoopJob;
 import org.apache.kylin.metadata.realization.IRealizationConstants;
+import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -86,7 +91,8 @@
     private void cleanUnusedHBaseTables(Configuration conf) throws IOException {
 
         // get all kylin hbase tables
-        HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
+        Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+        Admin hbaseAdmin = conn.getAdmin();
         String tableNamePrefix = IRealizationConstants.SharedHbaseStorageLocationPrefix;
         HTableDescriptor[] tableDescriptors = hbaseAdmin.listTables(tableNamePrefix + ".*");
         List<String> allTablesNeedToBeDropped = new ArrayList<String>();
@@ -105,12 +111,12 @@
             // drop tables
             for (String htableName : allTablesNeedToBeDropped) {
                 logger.info("Deleting HBase table " + htableName);
-                if (hbaseAdmin.tableExists(htableName)) {
-                    if (hbaseAdmin.isTableEnabled(htableName)) {
-                        hbaseAdmin.disableTable(htableName);
+                if (hbaseAdmin.tableExists(TableName.valueOf(htableName))) {
+                    if (hbaseAdmin.isTableEnabled(TableName.valueOf(htableName))) {
+                        hbaseAdmin.disableTable(TableName.valueOf(htableName));
                     }
 
-                    hbaseAdmin.deleteTable(htableName);
+                    hbaseAdmin.deleteTable(TableName.valueOf(htableName));
                     logger.info("Deleted HBase table " + htableName);
                 } else {
                     logger.info("HBase table" + htableName + " does not exist");
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/PingHBaseCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/PingHBaseCLI.java
index 58ef7cb..b86b561 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/PingHBaseCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/PingHBaseCLI.java
@@ -21,9 +21,10 @@
 import java.io.IOException;

 

 import org.apache.hadoop.conf.Configuration;

-import org.apache.hadoop.hbase.client.HConnection;

-import org.apache.hadoop.hbase.client.HConnectionManager;

-import org.apache.hadoop.hbase.client.HTableInterface;

+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Result;

 import org.apache.hadoop.hbase.client.ResultScanner;

 import org.apache.hadoop.hbase.client.Scan;

@@ -57,12 +58,12 @@
         Scan scan = new Scan();

         int limit = 20;

 

-        HConnection conn = null;

-        HTableInterface table = null;

+        Connection conn = null;
+        Table table = null;
         ResultScanner scanner = null;

         try {

-            conn = HConnectionManager.createConnection(hconf);

-            table = conn.getTable(hbaseTable);

+            conn = ConnectionFactory.createConnection(hconf);
+            table = conn.getTable(TableName.valueOf(hbaseTable));
             scanner = table.getScanner(scan);

             int count = 0;

             for (Result r : scanner) {

diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/RowCounterCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/RowCounterCLI.java
index b1a5ba4..52f71cf 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/RowCounterCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/RowCounterCLI.java
@@ -23,9 +23,10 @@
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HConnectionManager;
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.kylin.common.util.Bytes;
@@ -71,8 +72,8 @@
 
         logger.info("My Scan " + scan.toString());
 
-        HConnection conn = HConnectionManager.createConnection(conf);
-        HTableInterface tableInterface = conn.getTable(htableName);
+        Connection conn = ConnectionFactory.createConnection(conf);
+        Table tableInterface = conn.getTable(TableName.valueOf(htableName));
 
         Iterator<Result> iterator = tableInterface.getScanner(scan).iterator();
         int counter = 0;
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/StorageCleanupJob.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/StorageCleanupJob.java
index c010d51..fd39ee6 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/StorageCleanupJob.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/StorageCleanupJob.java
@@ -35,7 +35,9 @@
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.util.ToolRunner;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.CliCommandExecutor;
@@ -52,6 +54,7 @@
 import org.apache.kylin.job.execution.ExecutableState;
 import org.apache.kylin.job.manager.ExecutableManager;
 import org.apache.kylin.metadata.realization.IRealizationConstants;
+import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -104,7 +107,8 @@
         IIManager iiManager = IIManager.getInstance(KylinConfig.getInstanceFromEnv());
 
         // get all kylin hbase tables
-        HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
+        Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl());
+        Admin hbaseAdmin = conn.getAdmin();
         String tableNamePrefix = IRealizationConstants.SharedHbaseStorageLocationPrefix;
         HTableDescriptor[] tableDescriptors = hbaseAdmin.listTables(tableNamePrefix + ".*");
         List<String> allTablesNeedToBeDropped = new ArrayList<String>();
@@ -148,12 +152,12 @@
             // drop tables
             for (String htableName : allTablesNeedToBeDropped) {
                 logger.info("Deleting HBase table " + htableName);
-                if (hbaseAdmin.tableExists(htableName)) {
-                    if (hbaseAdmin.isTableEnabled(htableName)) {
-                        hbaseAdmin.disableTable(htableName);
+                if (hbaseAdmin.tableExists(TableName.valueOf(htableName))) {
+                    if (hbaseAdmin.isTableEnabled(TableName.valueOf(htableName))) {
+                        hbaseAdmin.disableTable(TableName.valueOf(htableName));
                     }
 
-                    hbaseAdmin.deleteTable(htableName);
+                    hbaseAdmin.deleteTable(TableName.valueOf(htableName));
                     logger.info("Deleted HBase table " + htableName);
                 } else {
                     logger.info("HBase table" + htableName + " does not exist");
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/UpdateHTableHostCLI.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/UpdateHTableHostCLI.java
index 23357f5..3fec98c 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/UpdateHTableHostCLI.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/util/UpdateHTableHostCLI.java
@@ -26,9 +26,12 @@
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.cube.CubeInstance;
 import org.apache.kylin.cube.CubeManager;
@@ -39,7 +42,6 @@
 import org.apache.kylin.metadata.model.SegmentStatusEnum;
 import org.apache.kylin.metadata.realization.IRealizationConstants;
 import org.apache.kylin.metadata.realization.RealizationStatusEnum;
-import org.apache.kylin.storage.hbase.HBaseConnection;
 
 import com.google.common.collect.Lists;
 
@@ -52,14 +54,15 @@
     private List<String> errorMsgs = Lists.newArrayList();
 
     private List<String> htables;
-    private HBaseAdmin hbaseAdmin;
+    private Admin hbaseAdmin;
     private KylinConfig kylinConfig;
     private String oldHostValue;
 
     public UpdateHTableHostCLI(List<String> htables, String oldHostValue) throws IOException {
         this.htables = htables;
         this.oldHostValue = oldHostValue;
-        this.hbaseAdmin = new HBaseAdmin(HBaseConnection.getCurrentHBaseConfiguration());
+        Connection conn = ConnectionFactory.createConnection(HBaseConfiguration.create());
+        hbaseAdmin = conn.getAdmin();
         this.kylinConfig = KylinConfig.getInstanceFromEnv();
     }
 
@@ -181,9 +184,9 @@
         HTableDescriptor desc = hbaseAdmin.getTableDescriptor(TableName.valueOf(tableName));
         if (oldHostValue.equals(desc.getValue(IRealizationConstants.HTableTag))) {
             desc.setValue(IRealizationConstants.HTableTag, kylinConfig.getMetadataUrlPrefix());
-            hbaseAdmin.disableTable(tableName);
-            hbaseAdmin.modifyTable(tableName, desc);
-            hbaseAdmin.enableTable(tableName);
+            hbaseAdmin.disableTable(TableName.valueOf(tableName));
+            hbaseAdmin.modifyTable(TableName.valueOf(tableName), desc);
+            hbaseAdmin.enableTable(TableName.valueOf(tableName));
 
             updatedResources.add(tableName);
         }
diff --git a/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserverTest.java b/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserverTest.java
index cd4e33d..9585575 100644
--- a/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserverTest.java
+++ b/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserverTest.java
@@ -29,12 +29,10 @@
 import java.util.HashSet;
 import java.util.List;
 
-import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.*;
 import org.apache.hadoop.hbase.KeyValue.Type;
 import org.apache.hadoop.hbase.regionserver.RegionScanner;
+import org.apache.hadoop.hbase.regionserver.ScannerContext;
 import org.apache.kylin.common.util.Bytes;
 import org.apache.kylin.cube.kv.RowConstants;
 import org.apache.kylin.metadata.datatype.LongMutable;
@@ -233,15 +231,8 @@
             return nextRaw(results);
         }
 
-        /*
-         * (non-Javadoc)
-         * 
-         * @see
-         * org.apache.hadoop.hbase.regionserver.InternalScanner#next(java.util
-         * .List, int)
-         */
         @Override
-        public boolean next(List<Cell> result, int limit) throws IOException {
+        public boolean next(List<Cell> result, ScannerContext scannerContext) throws IOException {
             return next(result);
         }
 
@@ -310,6 +301,11 @@
             return 0;
         }
 
+        @Override
+        public int getBatch() {
+            return 0;
+        }
+
         /*
          * (non-Javadoc)
          * 
@@ -326,16 +322,9 @@
             return i < input.size();
         }
 
-        /*
-         * (non-Javadoc)
-         * 
-         * @see
-         * org.apache.hadoop.hbase.regionserver.RegionScanner#nextRaw(java.util
-         * .List, int)
-         */
         @Override
-        public boolean nextRaw(List<Cell> result, int limit) throws IOException {
-            return nextRaw(result);
+        public boolean nextRaw(List<Cell> list, ScannerContext scannerContext) throws IOException {
+            return false;
         }
 
     }
diff --git a/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/filter/TestFuzzyRowFilterV2EndToEnd.java b/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/filter/TestFuzzyRowFilterV2EndToEnd.java
index 1d85922..04e2e8b 100644
--- a/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/filter/TestFuzzyRowFilterV2EndToEnd.java
+++ b/storage-hbase/src/test/java/org/apache/kylin/storage/hbase/cube/v1/filter/TestFuzzyRowFilterV2EndToEnd.java
@@ -44,6 +44,7 @@
 import org.apache.hadoop.hbase.filter.FilterList.Operator;
 import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy;
 import org.apache.hadoop.hbase.regionserver.HRegion;
+import org.apache.hadoop.hbase.regionserver.Region;
 import org.apache.hadoop.hbase.regionserver.RegionScanner;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.Pair;
@@ -136,7 +137,7 @@
 
                         Put p = new Put(rk);
                         p.setDurability(Durability.SKIP_WAL);
-                        p.add(cf.getBytes(), cq, Bytes.toBytes(c));
+                        p.addColumn(cf.getBytes(), cq, Bytes.toBytes(c));
                         ht.put(p);
                     }
                 }
@@ -224,7 +225,7 @@
         scan.addFamily(cf.getBytes());
         scan.setFilter(filter);
         List<HRegion> regions = TEST_UTIL.getHBaseCluster().getRegions(table.getBytes());
-        HRegion first = regions.get(0);
+        Region first = regions.get(0);
         first.getScanner(scan);
         RegionScanner scanner = first.getScanner(scan);
         List<Cell> results = new ArrayList<Cell>();