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Posted to commits@kylin.apache.org by bi...@apache.org on 2017/01/03 12:48:28 UTC

[3/4] kylin git commit: KYLIN-1528 Create a branch for v1.5 with HBase 1.x API

KYLIN-1528 Create a branch for v1.5 with HBase 1.x API


Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/98c7e8f0
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/98c7e8f0
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/98c7e8f0

Branch: refs/heads/yang22-cdh5.7
Commit: 98c7e8f0933f04d408f2371a35117ffa44376961
Parents: ee04dca
Author: shaofengshi <sh...@apache.org>
Authored: Wed Mar 23 17:07:05 2016 +0800
Committer: Billy Liu <bi...@apache.org>
Committed: Tue Jan 3 20:42:06 2017 +0800

----------------------------------------------------------------------
 examples/test_case_data/sandbox/hbase-site.xml  | 19 +---
 .../kylin/provision/BuildCubeWithEngine.java    | 12 +--
 pom.xml                                         | 12 +--
 .../kylin/rest/security/AclHBaseStorage.java    |  4 +-
 .../rest/security/MockAclHBaseStorage.java      |  8 +-
 .../apache/kylin/rest/security/MockHTable.java  | 95 ++++----------------
 .../rest/security/RealAclHBaseStorage.java      |  9 +-
 .../apache/kylin/rest/service/AclService.java   | 25 +++---
 .../apache/kylin/rest/service/CubeService.java  | 35 +++-----
 .../apache/kylin/rest/service/QueryService.java | 24 +++--
 .../apache/kylin/rest/service/UserService.java  | 17 ++--
 .../kylin/storage/hbase/HBaseConnection.java    | 44 ++++-----
 .../kylin/storage/hbase/HBaseResourceStore.java | 31 +++----
 .../kylin/storage/hbase/HBaseStorage.java       |  3 +-
 .../storage/hbase/cube/SimpleHBaseStore.java    | 20 ++---
 .../hbase/cube/v1/CubeSegmentTupleIterator.java | 11 +--
 .../storage/hbase/cube/v1/CubeStorageQuery.java |  4 +-
 .../hbase/cube/v1/RegionScannerAdapter.java     | 10 ++-
 .../cube/v1/SerializedHBaseTupleIterator.java   |  4 +-
 .../observer/AggregateRegionObserver.java       |  4 +-
 .../observer/AggregationScanner.java            | 14 ++-
 .../observer/ObserverAggregationCache.java      | 10 ++-
 .../coprocessor/observer/ObserverEnabler.java   |  4 +-
 .../hbase/cube/v2/CubeHBaseEndpointRPC.java     | 13 +--
 .../storage/hbase/cube/v2/CubeHBaseScanRPC.java |  9 +-
 .../coprocessor/endpoint/CubeVisitService.java  |  4 +-
 .../storage/hbase/steps/CubeHTableUtil.java     | 16 ++--
 .../storage/hbase/steps/DeprecatedGCStep.java   | 23 ++---
 .../storage/hbase/steps/HBaseCuboidWriter.java  |  7 +-
 .../kylin/storage/hbase/steps/MergeGCStep.java  | 23 ++---
 .../storage/hbase/util/CleanHtableCLI.java      | 12 +--
 .../storage/hbase/util/CubeMigrationCLI.java    | 36 ++++----
 .../hbase/util/CubeMigrationCheckCLI.java       | 17 ++--
 .../hbase/util/DeployCoprocessorCLI.java        | 27 +++---
 .../hbase/util/ExtendCubeToHybridCLI.java       |  8 +-
 .../hbase/util/GridTableHBaseBenchmark.java     | 34 +++----
 .../kylin/storage/hbase/util/HBaseClean.java    | 18 ++--
 .../hbase/util/HBaseRegionSizeCalculator.java   | 35 ++++----
 .../kylin/storage/hbase/util/HBaseUsage.java    |  9 +-
 .../storage/hbase/util/HbaseStreamingInput.java | 30 +++----
 .../hbase/util/HtableAlterMetadataCLI.java      |  9 +-
 .../storage/hbase/util/OrphanHBaseCleanJob.java | 19 ++--
 .../kylin/storage/hbase/util/PingHBaseCLI.java  | 15 ++--
 .../kylin/storage/hbase/util/RowCounterCLI.java | 11 +--
 .../storage/hbase/util/StorageCleanupJob.java   | 20 +++--
 .../storage/hbase/util/UpdateHTableHostCLI.java | 17 ++--
 .../observer/AggregateRegionObserverTest.java   | 26 ++----
 .../v1/filter/TestFuzzyRowFilterV2EndToEnd.java |  5 +-
 .../org/apache/kylin/tool/CubeMigrationCLI.java | 19 ++--
 .../kylin/tool/ExtendCubeToHybridCLI.java       |  8 +-
 50 files changed, 417 insertions(+), 472 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/examples/test_case_data/sandbox/hbase-site.xml
----------------------------------------------------------------------
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>

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/kylin-it/src/test/java/org/apache/kylin/provision/BuildCubeWithEngine.java
----------------------------------------------------------------------
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 67b62d5..8bd1d67 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
@@ -35,8 +35,7 @@ import org.apache.commons.lang3.StringUtils;
 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.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.ClassUtil;
 import org.apache.kylin.common.util.HBaseMetadataTestCase;
@@ -58,6 +57,7 @@ import org.apache.kylin.job.impl.threadpool.DefaultScheduler;
 import org.apache.kylin.source.ISource;
 import org.apache.kylin.source.SourceFactory;
 import org.apache.kylin.source.SourcePartition;
+import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.apache.kylin.storage.hbase.util.HBaseRegionSizeCalculator;
 import org.apache.kylin.storage.hbase.util.ZookeeperJobLock;
 import org.apache.kylin.tool.StorageCleanupJob;
@@ -431,10 +431,10 @@ public class BuildCubeWithEngine {
 
     @SuppressWarnings("unused")
     private void checkHFilesInHBase(CubeSegment segment) throws IOException {
-        Configuration conf = HBaseConfiguration.create(HadoopUtil.getCurrentConfiguration());
-        String tableName = segment.getStorageLocationIdentifier();
-        try (HTable table = new HTable(conf, tableName)) {
-            HBaseRegionSizeCalculator cal = new HBaseRegionSizeCalculator(table);
+        try (Connection conn = HBaseConnection.get(KylinConfig.getInstanceFromEnv().getStorageUrl())) {
+            String tableName = segment.getStorageLocationIdentifier();
+
+            HBaseRegionSizeCalculator cal = new HBaseRegionSizeCalculator(tableName, conn);
             Map<byte[], Long> sizeMap = cal.getRegionSizeMap();
             long totalSize = 0;
             for (Long size : sizeMap.values()) {

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 51479c8..6d3425e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,20 +46,20 @@
         <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>
 
         <!-- Hive versions -->
-        <hive.version>0.14.0</hive.version>
-        <hive-hcatalog.version>0.14.0</hive-hcatalog.version>
+        <hive.version>1.2.1</hive.version>
+        <hive-hcatalog.version>1.2.1</hive-hcatalog.version>
 
         <!-- HBase versions -->
-        <hbase-hadoop2.version>0.98.8-hadoop2</hbase-hadoop2.version>
+        <hbase-hadoop2.version>1.1.1</hbase-hadoop2.version>
         <kafka.version>0.10.0.0</kafka.version>
 
         <!-- Hadoop deps, keep compatible with hadoop2.version -->
         <zookeeper.version>3.4.6</zookeeper.version>
-        <curator.version>2.6.0</curator.version>
+        <curator.version>2.7.1</curator.version>
         <jackson.version>2.2.4</jackson.version>
         <jsr305.version>3.0.1</jsr305.version>
         <guava.version>14.0</guava.version>

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java b/server-base/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java
index ea68855..8095bf8 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/security/AclHBaseStorage.java
@@ -20,7 +20,7 @@ package org.apache.kylin.rest.security;
 
 import java.io.IOException;
 
-import org.apache.hadoop.hbase.client.HTableInterface;
+import org.apache.hadoop.hbase.client.Table;
 
 /**
  */
@@ -36,6 +36,6 @@ public interface AclHBaseStorage {
 
     String prepareHBaseTable(Class<?> clazz) throws IOException;
 
-    HTableInterface getTable(String tableName) throws IOException;
+    Table getTable(String tableName) throws IOException;
 
 }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java b/server-base/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java
index d9326f5..cc76b87 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/security/MockAclHBaseStorage.java
@@ -21,7 +21,7 @@ package org.apache.kylin.rest.security;
 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.common.KylinConfig;
 import org.apache.kylin.rest.service.AclService;
 import org.apache.kylin.rest.service.QueryService;
@@ -34,8 +34,8 @@ public class MockAclHBaseStorage implements AclHBaseStorage {
     private static final String aclTableName = "MOCK-ACL-TABLE";
     private static final String userTableName = "MOCK-USER-TABLE";
 
-    private HTableInterface mockedAclTable;
-    private HTableInterface mockedUserTable;
+    private Table mockedAclTable;
+    private Table mockedUserTable;
     private RealAclHBaseStorage realAcl;
 
     public MockAclHBaseStorage() {
@@ -65,7 +65,7 @@ public class MockAclHBaseStorage implements AclHBaseStorage {
     }
 
     @Override
-    public HTableInterface getTable(String tableName) throws IOException {
+    public Table getTable(String tableName) throws IOException {
         if (realAcl != null) {
             return realAcl.getTable(tableName);
         }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/security/MockHTable.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/security/MockHTable.java b/server-base/src/main/java/org/apache/kylin/rest/security/MockHTable.java
index d0aa0ed..972eea9 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/security/MockHTable.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/security/MockHTable.java
@@ -51,7 +51,7 @@ import org.apache.hadoop.hbase.client.Append;
 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 @@ import com.google.protobuf.ServiceException;
  *     <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 @@ public class MockHTable implements HTableInterface {
         this.columnFamilies.add(columnFamily);
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public byte[] getTableName() {
-        return tableName.getBytes();
-    }
-
     @Override
     public TableName getName() {
         return null;
@@ -200,8 +192,8 @@ public class MockHTable implements HTableInterface {
     }
 
     @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 @@ public class MockHTable implements HTableInterface {
      * {@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 @@ public class MockHTable implements HTableInterface {
              */
         }
         if (filter.hasFilterRow() && !filteredOnRowKey) {
-            filter.filterRow(nkvs);
+            filter.filterRow();
         }
         if (filter.filterRow() || filteredOnRowKey) {
             nkvs.clear();
@@ -535,6 +518,11 @@ public class MockHTable implements HTableInterface {
         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 @@ public class MockHTable implements HTableInterface {
                 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 @@ public class MockHTable implements HTableInterface {
         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 @@ public class MockHTable implements HTableInterface {
      */
     @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 @@ public class MockHTable implements HTableInterface {
      * {@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 @@ public class MockHTable implements HTableInterface {
      * {@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();
     }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java b/server-base/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java
index 1d520c4..d1a1384 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/security/RealAclHBaseStorage.java
@@ -21,7 +21,8 @@ package org.apache.kylin.rest.security;
 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.QueryService;
@@ -58,11 +59,11 @@ public class RealAclHBaseStorage implements AclHBaseStorage {
     }
 
     @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);
         }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/service/AclService.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/service/AclService.java b/server-base/src/main/java/org/apache/kylin/rest/service/AclService.java
index d693a67..3e3efec 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/service/AclService.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/service/AclService.java
@@ -33,7 +33,7 @@ import javax.annotation.PostConstruct;
 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 @@ public class AclService implements MutableAclService {
     @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 @@ public class AclService implements MutableAclService {
     @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);
@@ -226,17 +226,16 @@ public class AclService implements MutableAclService {
         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) {
@@ -250,7 +249,7 @@ public class AclService implements MutableAclService {
 
     @Override
     public void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren) throws ChildrenExistException {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(aclTableName);
 
@@ -266,7 +265,6 @@ public class AclService implements MutableAclService {
             }
 
             htable.delete(delete);
-            htable.flushCommits();
 
             logger.debug("ACL of " + objectIdentity + " deleted successfully.");
         } catch (IOException e) {
@@ -284,7 +282,7 @@ public class AclService implements MutableAclService {
             throw e;
         }
 
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(aclTableName);
 
@@ -295,17 +293,16 @@ public class AclService implements MutableAclService {
             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.");
             }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java b/server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java
index 85c9284..c0f8e6f 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java
@@ -28,9 +28,7 @@ import java.util.Map;
 import java.util.Set;
 import java.util.WeakHashMap;
 
-import org.apache.commons.io.IOUtils;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.client.Connection;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.Pair;
 import org.apache.kylin.cube.CubeInstance;
@@ -406,33 +404,24 @@ public class CubeService extends BasicService {
         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(table);
-            Map<byte[], Long> sizeMap = cal.getRegionSizeMap();
+        HBaseRegionSizeCalculator cal = new HBaseRegionSizeCalculator(tableName, conn);
+        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 {
-            IOUtils.closeQuietly(table);
+        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;

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java b/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
index bc644cc..b07e698 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
@@ -49,11 +49,11 @@ import javax.sql.DataSource;
 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.HConnection;
-import org.apache.hadoop.hbase.client.HTableInterface;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.QueryContext;
 import org.apache.kylin.common.debug.BackdoorToggles;
@@ -164,14 +164,13 @@ public class QueryService extends BasicService {
         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);
         }
@@ -197,14 +196,13 @@ public class QueryService extends BasicService {
 
         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);
         }
@@ -216,12 +214,12 @@ public class QueryService extends BasicService {
         }
 
         List<Query> queries = new ArrayList<Query>();
-        HTableInterface htable = null;
+        Table htable = null;
         try {
-            HConnection conn = HBaseConnection.get(hbaseUrl);
+            org.apache.hadoop.hbase.client.Connection conn = HBaseConnection.get(hbaseUrl);
             HBaseConnection.createHTableIfNeeded(conn, userTableName, USER_QUERY_FAMILY);
 
-            htable = conn.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);

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/server-base/src/main/java/org/apache/kylin/rest/service/UserService.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/service/UserService.java b/server-base/src/main/java/org/apache/kylin/rest/service/UserService.java
index 07c7c6f..ab54882 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/service/UserService.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/service/UserService.java
@@ -30,11 +30,11 @@ import javax.annotation.PostConstruct;
 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.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.kylin.common.util.Bytes;
 import org.apache.kylin.common.util.Pair;
 import org.apache.kylin.rest.security.AclHBaseStorage;
@@ -72,7 +72,7 @@ public class UserService implements UserDetailsManager {
 
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);
 
@@ -144,16 +144,16 @@ public class UserService implements UserDetailsManager {
 
     @Override
     public void updateUser(UserDetails user) {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);
 
             Pair<byte[], byte[]> pair = userToHBaseRow(user);
             Put put = new Put(pair.getKey());
-            put.add(Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_FAMILY), Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_COLUMN), pair.getSecond());
+
+            put.addColumn(Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_FAMILY), Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_COLUMN), pair.getSecond());
 
             htable.put(put);
-            htable.flushCommits();
         } catch (IOException e) {
             throw new RuntimeException(e.getMessage(), e);
         } finally {
@@ -163,14 +163,13 @@ public class UserService implements UserDetailsManager {
 
     @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 {
@@ -185,7 +184,7 @@ public class UserService implements UserDetailsManager {
 
     @Override
     public boolean userExists(String username) {
-        HTableInterface htable = null;
+        Table htable = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);
 
@@ -216,7 +215,7 @@ public class UserService implements UserDetailsManager {
         s.addColumn(Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_FAMILY), Bytes.toBytes(AclHBaseStorage.USER_AUTHORITY_COLUMN));
 
         List<UserDetails> all = new ArrayList<UserDetails>();
-        HTableInterface htable = null;
+        Table htable = null;
         ResultScanner scanner = null;
         try {
             htable = aclHBaseStorage.getTable(userTableName);

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseConnection.java
----------------------------------------------------------------------
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 cbf81b6..b769391 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
@@ -40,9 +40,9 @@ import org.apache.hadoop.hbase.HColumnDescriptor;
 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.hadoop.hbase.util.Threads;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.kylin.common.KylinConfig;
@@ -64,7 +64,7 @@ public class HBaseConnection {
     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>();
     private static final ThreadLocal<Configuration> configThreadLocal = new ThreadLocal<>();
 
     private static ExecutorService coprocessorPool = null;
@@ -75,7 +75,7 @@ public class HBaseConnection {
             public void run() {
                 closeCoprocessorPool();
 
-                for (HConnection conn : connPool.values()) {
+                for (Connection conn : connPool.values()) {
                     try {
                         conn.close();
                     } catch (IOException e) {
@@ -144,7 +144,7 @@ public class HBaseConnection {
         // using a hbase:xxx URL is deprecated, instead hbase config is always loaded from hbase-site.xml in classpath
         if (!(StringUtils.isEmpty(url) || "hbase".equals(url)))
             throw new IllegalArgumentException("to use hbase storage, pls set 'kylin.storage.url=hbase' in kylin.properties");
-        
+
         Configuration conf = HBaseConfiguration.create(HadoopUtil.getCurrentConfiguration());
         addHBaseClusterNNHAConfiguration(conf);
 
@@ -213,9 +213,9 @@ public class HBaseConnection {
 
     // ============================================================================
 
-    // 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) {
@@ -223,13 +223,13 @@ public class HBaseConnection {
             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);
                 }
 
@@ -248,8 +248,8 @@ public class HBaseConnection {
         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 {
@@ -269,18 +269,18 @@ public class HBaseConnection {
         deleteTable(HBaseConnection.get(hbaseUrl), tableName);
     }
 
-    public static void createHTableIfNeeded(HConnection conn, String table, String... families) throws IOException {
-        HBaseAdmin hbase = new HBaseAdmin(conn);
-
+    public static void createHTableIfNeeded(Connection conn, String table, String... families) throws IOException {
+        Admin hbase = conn.getAdmin();
+        TableName tableName = TableName.valueOf(table);
         try {
             if (tableExists(conn, table)) {
                 logger.debug("HTable '" + table + "' already exists");
-                Set<String> existingFamilies = getFamilyNames(hbase.getTableDescriptor(TableName.valueOf(table)));
+                Set<String> existingFamilies = getFamilyNames(hbase.getTableDescriptor(tableName));
                 boolean wait = false;
                 for (String family : families) {
                     if (existingFamilies.contains(family) == false) {
                         logger.debug("Adding family '" + family + "' to HTable '" + table + "'");
-                        hbase.addColumn(table, newFamilyDescriptor(family));
+                        hbase.addColumn(tableName, newFamilyDescriptor(family));
                         // addColumn() is async, is there a way to wait it finish?
                         wait = true;
                     }
@@ -333,8 +333,8 @@ public class HBaseConnection {
         return fd;
     }
 
-    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)) {
@@ -344,10 +344,10 @@ public class HBaseConnection {
 
             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 {

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseResourceStore.java
----------------------------------------------------------------------
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 1d19983..714a265 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
@@ -31,14 +31,15 @@ import org.apache.hadoop.conf.Configuration;
 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.Connection;
 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.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.filter.CompareFilter;
 import org.apache.hadoop.hbase.filter.Filter;
 import org.apache.hadoop.hbase.filter.FilterList;
@@ -69,7 +70,7 @@ public class HBaseResourceStore extends ResourceStore {
     final String tableNameBase;
     final String hbaseUrl;
 
-    HConnection getConnection() throws IOException {
+    Connection getConnection() throws IOException {
         return HBaseConnection.get(hbaseUrl);
     }
 
@@ -120,7 +121,7 @@ public class HBaseResourceStore extends ResourceStore {
         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 @@ public class HBaseResourceStore extends ResourceStore {
         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 @@ public class HBaseResourceStore extends ResourceStore {
 
     @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 @@ public class HBaseResourceStore extends ResourceStore {
                 throw new IllegalStateException("Overwriting conflict " + resPath + ", expect old TS " + oldTS + ", but it is " + real);
             }
 
-            table.flushCommits();
-
             return newTS;
         } finally {
             IOUtils.closeQuietly(table);
@@ -275,7 +273,7 @@ public class HBaseResourceStore extends ResourceStore {
 
     @Override
     protected void deleteResourceImpl(String resPath) throws IOException {
-        HTableInterface table = getConnection().getTable(getAllInOneTableName());
+        Table table = getConnection().getTable(TableName.valueOf(getAllInOneTableName()));
         try {
             boolean hdfsResourceExist = false;
             Result result = internalGetFromHTable(table, resPath, true, false);
@@ -288,7 +286,6 @@ public class HBaseResourceStore extends ResourceStore {
 
             Delete del = new Delete(Bytes.toBytes(resPath));
             table.delete(del);
-            table.flushCommits();
 
             if (hdfsResourceExist) { // remove hdfs cell value
                 Path redirectPath = bigCellHDFSPath(resPath);
@@ -310,7 +307,7 @@ public class HBaseResourceStore extends ResourceStore {
     }
 
     private Result getFromHTable(String path, boolean fetchContent, boolean fetchTimestamp) throws IOException {
-        HTableInterface table = getConnection().getTable(getAllInOneTableName());
+        Table table = getConnection().getTable(TableName.valueOf(getAllInOneTableName()));
         try {
             return internalGetFromHTable(table, path, fetchContent, fetchTimestamp);
         } finally {
@@ -318,7 +315,7 @@ public class HBaseResourceStore extends ResourceStore {
         }
     }
 
-    private Result internalGetFromHTable(HTableInterface table, String path, boolean fetchContent, boolean fetchTimestamp) throws IOException {
+    private Result internalGetFromHTable(Table table, String path, boolean fetchContent, boolean fetchTimestamp) throws IOException {
         byte[] rowkey = Bytes.toBytes(path);
 
         Get get = new Get(rowkey);
@@ -337,7 +334,7 @@ public class HBaseResourceStore extends ResourceStore {
         return exists ? result : null;
     }
 
-    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);
@@ -363,7 +360,7 @@ public class HBaseResourceStore extends ResourceStore {
         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 = Integer.parseInt(getConnection().getConfiguration().get("hbase.client.keyvalue.maxsize", "10485760"));
         if (content.length > kvSizeLimit) {
             writeLargeCellToHdfs(resPath, content, table);
@@ -371,8 +368,8 @@ public class HBaseResourceStore extends ResourceStore {
         }
 
         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;
     }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseStorage.java
----------------------------------------------------------------------
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseStorage.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseStorage.java
index 43b65cb..d36d722 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseStorage.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseStorage.java
@@ -18,7 +18,6 @@
 
 package org.apache.kylin.storage.hbase;
 
-import com.google.common.base.Preconditions;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.debug.BackdoorToggles;
 import org.apache.kylin.cube.CubeInstance;
@@ -36,6 +35,8 @@ import org.apache.kylin.storage.IStorageQuery;
 import org.apache.kylin.storage.hbase.steps.HBaseMROutput;
 import org.apache.kylin.storage.hbase.steps.HBaseMROutput2Transition;
 
+import com.google.common.base.Preconditions;
+
 @SuppressWarnings("unused")
 //used by reflection
 public class HBaseStorage implements IStorage {

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/SimpleHBaseStore.java
----------------------------------------------------------------------
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 b141190..f63d9c2 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 java.util.NoSuchElementException;
 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 @@ public class SimpleHBaseStore implements IGTStore {
     }
 
     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 @@ public class SimpleHBaseStore implements IGTStore {
 
             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();

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeSegmentTupleIterator.java
----------------------------------------------------------------------
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 8ac3832..982a044 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
@@ -25,11 +25,12 @@ import java.util.List;
 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.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.client.metrics.ScanMetrics;
 import org.apache.hadoop.hbase.filter.Filter;
 import org.apache.hadoop.hbase.filter.FuzzyRowFilter;
@@ -70,7 +71,7 @@ public class CubeSegmentTupleIterator implements ITupleIterator {
     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 @@ public class CubeSegmentTupleIterator implements ITupleIterator {
     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 @@ public class CubeSegmentTupleIterator implements ITupleIterator {
         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);
         }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/CubeStorageQuery.java
----------------------------------------------------------------------
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 1b08880..13c9c47 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.Map;
 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.Dictionary;
@@ -156,7 +156,7 @@ public class CubeStorageQuery implements IStorageQuery {
         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);

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/RegionScannerAdapter.java
----------------------------------------------------------------------
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 8a20c65..3d30767 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
@@ -26,6 +26,7 @@ import org.apache.hadoop.hbase.HRegionInfo;
 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 +51,7 @@ public class RegionScannerAdapter implements RegionScanner {
     }
 
     @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 +61,7 @@ public class RegionScannerAdapter implements RegionScanner {
     }
 
     @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 +95,9 @@ public class RegionScannerAdapter implements RegionScanner {
         return Long.MAX_VALUE;
     }
 
+    @Override
+    public int getBatch() {
+        return -1;
+    }
+
 }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/SerializedHBaseTupleIterator.java
----------------------------------------------------------------------
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 c4f7367..0f2e2fb 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.Map;
 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 @@ public class SerializedHBaseTupleIterator implements ITupleIterator {
     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) {
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregateRegionObserver.java
----------------------------------------------------------------------
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 7139ca7..7e25e4c 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.client.Scan;
 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.gridtable.StorageSideBehavior;
@@ -99,7 +99,7 @@ public class AggregateRegionObserver extends BaseRegionObserver {
         // 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) {

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/AggregationScanner.java
----------------------------------------------------------------------
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 a900ea1..d64f48f 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
@@ -25,6 +25,7 @@ import java.util.List;
 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.gridtable.StorageSideBehavior;
 import org.apache.kylin.measure.MeasureAggregator;
 import org.apache.kylin.storage.hbase.common.coprocessor.AggrKey;
@@ -116,8 +117,8 @@ public class AggregationScanner implements RegionScanner {
     }
 
     @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 +127,8 @@ public class AggregationScanner implements RegionScanner {
     }
 
     @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 +161,11 @@ public class AggregationScanner implements RegionScanner {
         return outerScanner.getMvccReadPoint();
     }
 
+    @Override
+    public int getBatch() {
+        return outerScanner.getBatch();
+    }
+
     private static class Stats {
         long inputRows = 0;
         long inputBytes = 0;

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverAggregationCache.java
----------------------------------------------------------------------
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..331e34d 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
@@ -30,6 +30,7 @@ import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.KeyValue;
 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 +113,7 @@ public class ObserverAggregationCache extends AggregationCache {
         }
 
         @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 +123,7 @@ public class ObserverAggregationCache extends AggregationCache {
         }
 
         @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 +162,11 @@ public class ObserverAggregationCache extends AggregationCache {
             // AggregateRegionObserver.LOG.info("Kylin Scanner getMvccReadPoint()");
             return Long.MAX_VALUE;
         }
+
+        @Override
+        public int getBatch() {
+            return innerScanner.getBatch();
+        }
     }
 
 }

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v1/coprocessor/observer/ObserverEnabler.java
----------------------------------------------------------------------
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 394b3e2..9fd33f5 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
@@ -23,9 +23,9 @@ import java.util.Collection;
 import java.util.Map;
 import java.util.Set;
 
-import org.apache.hadoop.hbase.client.HTableInterface;
 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.regionserver.RegionScanner;
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.debug.BackdoorToggles;
@@ -60,7 +60,7 @@ public class ObserverEnabler {
     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);

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
----------------------------------------------------------------------
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 df1817e..cad5a3f 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
@@ -26,8 +26,9 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.zip.DataFormatException;
 
-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;
@@ -51,10 +52,10 @@ import org.apache.kylin.storage.gtrecord.StorageResponseGTScatter;
 import org.apache.kylin.storage.hbase.HBaseConnection;
 import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos;
 import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos.CubeVisitRequest;
-import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos.CubeVisitResponse;
-import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos.CubeVisitService;
 import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos.CubeVisitRequest.IntList;
+import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos.CubeVisitResponse;
 import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos.CubeVisitResponse.Stats;
+import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos.CubeVisitService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -117,7 +118,7 @@ public class CubeHBaseEndpointRPC extends CubeHBaseRPC {
         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);
@@ -172,7 +173,7 @@ public class CubeHBaseEndpointRPC extends CubeHBaseRPC {
                     final boolean[] abnormalFinish = new boolean[1];
 
                     try {
-                        HTableInterface table = conn.getTable(cubeSeg.getStorageLocationIdentifier(), HBaseConnection.getCoprocessorPool());
+                        Table table = conn.getTable(TableName.valueOf(cubeSeg.getStorageLocationIdentifier()), HBaseConnection.getCoprocessorPool());
 
                         final CubeVisitRequest request = builder.build();
                         final byte[] startKey = epRange.getFirst();

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseScanRPC.java
----------------------------------------------------------------------
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 3cefc5f..a52af90 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
@@ -24,11 +24,12 @@ import java.util.Iterator;
 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.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.kylin.common.util.BytesUtil;
 import org.apache.kylin.common.util.ImmutableBitSet;
 import org.apache.kylin.common.util.ShardingHash;
@@ -154,8 +155,8 @@ public class CubeHBaseScanRPC extends CubeHBaseRPC {
         // 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);

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/coprocessor/endpoint/CubeVisitService.java
----------------------------------------------------------------------
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 de53d0d..85812f8 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
@@ -142,7 +142,7 @@ public class CubeVisitService extends CubeVisitProtos.CubeVisitService implement
         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);
     }
@@ -179,7 +179,7 @@ public class CubeVisitService extends CubeVisitProtos.CubeVisitService implement
         try (SetThreadName ignored = new SetThreadName("Query %s", queryId)) {
             this.serviceStartTime = System.currentTimeMillis();
 
-            region = env.getRegion();
+            region = (HRegion)env.getRegion();
             region.startRegionOperation();
 
             // if user change kylin.properties on kylin server, need to manually redeploy coprocessor jar to update KylinConfig of Env.

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/CubeHTableUtil.java
----------------------------------------------------------------------
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 2814ad6..feb4842 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
@@ -26,7 +26,8 @@ import org.apache.hadoop.conf.Configuration;
 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 @@ public class CubeHTableUtil {
         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 @@ public class CubeHTableUtil {
                 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 @@ public class CubeHTableUtil {
             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 {
             IOUtils.closeQuietly(admin);
@@ -110,8 +112,7 @@ public class CubeHTableUtil {
     }
 
     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 @@ public class CubeHTableUtil {
 
     /** 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);

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/DeprecatedGCStep.java
----------------------------------------------------------------------
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 46a828e..2d1c03a 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
@@ -29,9 +29,10 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 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.common.util.HiveCmdBuilder;
 import org.apache.kylin.engine.mr.HadoopUtil;
 import org.apache.kylin.job.exception.ExecuteException;
@@ -100,19 +101,21 @@ public class DeprecatedGCStep extends AbstractExecutable {
         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 {

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/HBaseCuboidWriter.java
----------------------------------------------------------------------
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 d5b36df..6587d4e 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
@@ -23,8 +23,8 @@ import java.util.List;
 
 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.Put;
+import org.apache.hadoop.hbase.client.Table;
 import org.apache.kylin.common.util.ImmutableBitSet;
 import org.apache.kylin.cube.CubeSegment;
 import org.apache.kylin.cube.cuboid.Cuboid;
@@ -49,7 +49,7 @@ public class HBaseCuboidWriter implements ICuboidWriter {
 
     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;
@@ -58,7 +58,7 @@ public class HBaseCuboidWriter implements ICuboidWriter {
     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();
@@ -117,7 +117,6 @@ public class HBaseCuboidWriter implements ICuboidWriter {
             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();

http://git-wip-us.apache.org/repos/asf/kylin/blob/98c7e8f0/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/MergeGCStep.java
----------------------------------------------------------------------
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 5b2441c..2f7e164 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
@@ -24,11 +24,11 @@ import java.util.Collections;
 import java.util.List;
 
 import org.apache.commons.lang.StringUtils;
-import org.apache.hadoop.conf.Configuration;
 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;
@@ -69,19 +69,20 @@ public class MergeGCStep extends AbstractExecutable {
         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 {