http://git-wip-us.apache.org/repos/asf/incubator-trafodion/blob/c74e3d62/core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/coprocessor/transactional/generated/TrxRegionProtos.java
----------------------------------------------------------------------
diff --git 
a/core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/coprocessor/transactional/generated/TrxRegionProtos.java
 
b/core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/coprocessor/transactional/generated/TrxRegionProtos.java
index fa3f5a0..18c6c58 100755
--- 
a/core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/coprocessor/transactional/generated/TrxRegionProtos.java
+++ 
b/core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/coprocessor/transactional/generated/TrxRegionProtos.java
@@ -1,3 +1,24 @@
+// @@@ START COPYRIGHT @@
+//
+// 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
+//
+//   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.
+//
+// @@@ END COPYRIGHT @@@
+
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: TrxRegion.proto
 
@@ -6052,15 +6073,15 @@ public final class TrxRegionProtos {
      */
     long getTransactionId();
 
-    // required int64 startEpoc = 3;
+    // required int64 startEpoch = 3;
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    boolean hasStartEpoc();
+    boolean hasStartEpoch();
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    long getStartEpoc();
+    long getStartEpoch();
 
     // required int32 participantNum = 4;
     /**
@@ -6145,7 +6166,7 @@ public final class TrxRegionProtos {
             }
             case 24: {
               bitField0_ |= 0x00000004;
-              startEpoc_ = input.readInt64();
+              startEpoch_ = input.readInt64();
               break;
             }
             case 32: {
@@ -6230,20 +6251,20 @@ public final class TrxRegionProtos {
       return transactionId_;
     }
 
-    // required int64 startEpoc = 3;
-    public static final int STARTEPOC_FIELD_NUMBER = 3;
-    private long startEpoc_;
+    // required int64 startEpoch = 3;
+    public static final int STARTEPOCH_FIELD_NUMBER = 3;
+    private long startEpoch_;
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    public boolean hasStartEpoc() {
+    public boolean hasStartEpoch() {
       return ((bitField0_ & 0x00000004) == 0x00000004);
     }
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    public long getStartEpoc() {
-      return startEpoc_;
+    public long getStartEpoch() {
+      return startEpoch_;
     }
 
     // required int32 participantNum = 4;
@@ -6281,7 +6302,7 @@ public final class TrxRegionProtos {
     private void initFields() {
       regionName_ = com.google.protobuf.ByteString.EMPTY;
       transactionId_ = 0L;
-      startEpoc_ = 0L;
+      startEpoch_ = 0L;
       participantNum_ = 0;
       dropTableRecorded_ = false;
     }
@@ -6298,7 +6319,7 @@ public final class TrxRegionProtos {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (!hasStartEpoc()) {
+      if (!hasStartEpoch()) {
         memoizedIsInitialized = 0;
         return false;
       }
@@ -6324,7 +6345,7 @@ public final class TrxRegionProtos {
         output.writeInt64(2, transactionId_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeInt64(3, startEpoc_);
+        output.writeInt64(3, startEpoch_);
       }
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         output.writeInt32(4, participantNum_);
@@ -6351,7 +6372,7 @@ public final class TrxRegionProtos {
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeInt64Size(3, startEpoc_);
+          .computeInt64Size(3, startEpoch_);
       }
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         size += com.google.protobuf.CodedOutputStream
@@ -6481,7 +6502,7 @@ public final class TrxRegionProtos {
         bitField0_ = (bitField0_ & ~0x00000001);
         transactionId_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000002);
-        startEpoc_ = 0L;
+        startEpoch_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000004);
         participantNum_ = 0;
         bitField0_ = (bitField0_ & ~0x00000008);
@@ -6526,7 +6547,7 @@ public final class TrxRegionProtos {
         if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
           to_bitField0_ |= 0x00000004;
         }
-        result.startEpoc_ = startEpoc_;
+        result.startEpoch_ = startEpoch_;
         if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
           to_bitField0_ |= 0x00000008;
         }
@@ -6557,8 +6578,8 @@ public final class TrxRegionProtos {
         if (other.hasTransactionId()) {
           setTransactionId(other.getTransactionId());
         }
-        if (other.hasStartEpoc()) {
-          setStartEpoc(other.getStartEpoc());
+        if (other.hasStartEpoch()) {
+          setStartEpoch(other.getStartEpoch());
         }
         if (other.hasParticipantNum()) {
           setParticipantNum(other.getParticipantNum());
@@ -6579,7 +6600,7 @@ public final class TrxRegionProtos {
           
           return false;
         }
-        if (!hasStartEpoc()) {
+        if (!hasStartEpoch()) {
           
           return false;
         }
@@ -6682,35 +6703,35 @@ public final class TrxRegionProtos {
         return this;
       }
 
-      // required int64 startEpoc = 3;
-      private long startEpoc_ ;
+      // required int64 startEpoch = 3;
+      private long startEpoch_ ;
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public boolean hasStartEpoc() {
+      public boolean hasStartEpoch() {
         return ((bitField0_ & 0x00000004) == 0x00000004);
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public long getStartEpoc() {
-        return startEpoc_;
+      public long getStartEpoch() {
+        return startEpoch_;
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public Builder setStartEpoc(long value) {
+      public Builder setStartEpoch(long value) {
         bitField0_ |= 0x00000004;
-        startEpoc_ = value;
+        startEpoch_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public Builder clearStartEpoc() {
+      public Builder clearStartEpoch() {
         bitField0_ = (bitField0_ & ~0x00000004);
-        startEpoc_ = 0L;
+        startEpoch_ = 0L;
         onChanged();
         return this;
       }
@@ -7460,15 +7481,15 @@ public final class TrxRegionProtos {
      */
     long getTransactionId();
 
-    // required int64 startEpoc = 3;
+    // required int64 startEpoch = 3;
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    boolean hasStartEpoc();
+    boolean hasStartEpoch();
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    long getStartEpoc();
+    long getStartEpoch();
 
     // required int32 participantNum = 4;
     /**
@@ -7546,7 +7567,7 @@ public final class TrxRegionProtos {
             }
             case 24: {
               bitField0_ |= 0x00000002;
-              startEpoc_ = input.readInt64();
+              startEpoch_ = input.readInt64();
               break;
             }
             case 32: {
@@ -7636,20 +7657,20 @@ public final class TrxRegionProtos {
       return transactionId_;
     }
 
-    // required int64 startEpoc = 3;
-    public static final int STARTEPOC_FIELD_NUMBER = 3;
-    private long startEpoc_;
+    // required int64 startEpoch = 3;
+    public static final int STARTEPOCH_FIELD_NUMBER = 3;
+    private long startEpoch_;
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    public boolean hasStartEpoc() {
+    public boolean hasStartEpoch() {
       return ((bitField0_ & 0x00000002) == 0x00000002);
     }
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    public long getStartEpoc() {
-      return startEpoc_;
+    public long getStartEpoch() {
+      return startEpoch_;
     }
 
     // required int32 participantNum = 4;
@@ -7671,7 +7692,7 @@ public final class TrxRegionProtos {
     private void initFields() {
       regionName_ = java.util.Collections.emptyList();
       transactionId_ = 0L;
-      startEpoc_ = 0L;
+      startEpoch_ = 0L;
       participantNum_ = 0;
     }
     private byte memoizedIsInitialized = -1;
@@ -7683,7 +7704,7 @@ public final class TrxRegionProtos {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (!hasStartEpoc()) {
+      if (!hasStartEpoch()) {
         memoizedIsInitialized = 0;
         return false;
       }
@@ -7705,7 +7726,7 @@ public final class TrxRegionProtos {
         output.writeInt64(2, transactionId_);
       }
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        output.writeInt64(3, startEpoc_);
+        output.writeInt64(3, startEpoch_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
         output.writeInt32(4, participantNum_);
@@ -7734,7 +7755,7 @@ public final class TrxRegionProtos {
       }
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeInt64Size(3, startEpoc_);
+          .computeInt64Size(3, startEpoch_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
         size += com.google.protobuf.CodedOutputStream
@@ -7860,7 +7881,7 @@ public final class TrxRegionProtos {
         bitField0_ = (bitField0_ & ~0x00000001);
         transactionId_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000002);
-        startEpoc_ = 0L;
+        startEpoch_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000004);
         participantNum_ = 0;
         bitField0_ = (bitField0_ & ~0x00000008);
@@ -7904,7 +7925,7 @@ public final class TrxRegionProtos {
         if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
           to_bitField0_ |= 0x00000002;
         }
-        result.startEpoc_ = startEpoc_;
+        result.startEpoch_ = startEpoch_;
         if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
           to_bitField0_ |= 0x00000004;
         }
@@ -7938,8 +7959,8 @@ public final class TrxRegionProtos {
         if (other.hasTransactionId()) {
           setTransactionId(other.getTransactionId());
         }
-        if (other.hasStartEpoc()) {
-          setStartEpoc(other.getStartEpoc());
+        if (other.hasStartEpoch()) {
+          setStartEpoch(other.getStartEpoch());
         }
         if (other.hasParticipantNum()) {
           setParticipantNum(other.getParticipantNum());
@@ -7953,7 +7974,7 @@ public final class TrxRegionProtos {
           
           return false;
         }
-        if (!hasStartEpoc()) {
+        if (!hasStartEpoch()) {
           
           return false;
         }
@@ -8088,35 +8109,35 @@ public final class TrxRegionProtos {
         return this;
       }
 
-      // required int64 startEpoc = 3;
-      private long startEpoc_ ;
+      // required int64 startEpoch = 3;
+      private long startEpoch_ ;
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public boolean hasStartEpoc() {
+      public boolean hasStartEpoch() {
         return ((bitField0_ & 0x00000004) == 0x00000004);
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public long getStartEpoc() {
-        return startEpoc_;
+      public long getStartEpoch() {
+        return startEpoch_;
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public Builder setStartEpoc(long value) {
+      public Builder setStartEpoch(long value) {
         bitField0_ |= 0x00000004;
-        startEpoc_ = value;
+        startEpoch_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public Builder clearStartEpoc() {
+      public Builder clearStartEpoch() {
         bitField0_ = (bitField0_ & ~0x00000004);
-        startEpoc_ = 0L;
+        startEpoch_ = 0L;
         onChanged();
         return this;
       }
@@ -8926,15 +8947,15 @@ public final class TrxRegionProtos {
      */
     long getTransactionId();
 
-    // required int64 startEpoc = 3;
+    // required int64 startEpoch = 3;
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    boolean hasStartEpoc();
+    boolean hasStartEpoch();
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    long getStartEpoc();
+    long getStartEpoch();
 
     // required int64 commitId = 4;
     /**
@@ -9019,7 +9040,7 @@ public final class TrxRegionProtos {
             }
             case 24: {
               bitField0_ |= 0x00000004;
-              startEpoc_ = input.readInt64();
+              startEpoch_ = input.readInt64();
               break;
             }
             case 32: {
@@ -9104,20 +9125,20 @@ public final class TrxRegionProtos {
       return transactionId_;
     }
 
-    // required int64 startEpoc = 3;
-    public static final int STARTEPOC_FIELD_NUMBER = 3;
-    private long startEpoc_;
+    // required int64 startEpoch = 3;
+    public static final int STARTEPOCH_FIELD_NUMBER = 3;
+    private long startEpoch_;
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    public boolean hasStartEpoc() {
+    public boolean hasStartEpoch() {
       return ((bitField0_ & 0x00000004) == 0x00000004);
     }
     /**
-     * <code>required int64 startEpoc = 3;</code>
+     * <code>required int64 startEpoch = 3;</code>
      */
-    public long getStartEpoc() {
-      return startEpoc_;
+    public long getStartEpoch() {
+      return startEpoch_;
     }
 
     // required int64 commitId = 4;
@@ -9155,7 +9176,7 @@ public final class TrxRegionProtos {
     private void initFields() {
       regionName_ = com.google.protobuf.ByteString.EMPTY;
       transactionId_ = 0L;
-      startEpoc_ = 0L;
+      startEpoch_ = 0L;
       commitId_ = 0L;
       participantNum_ = 0;
     }
@@ -9172,7 +9193,7 @@ public final class TrxRegionProtos {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (!hasStartEpoc()) {
+      if (!hasStartEpoch()) {
         memoizedIsInitialized = 0;
         return false;
       }
@@ -9198,7 +9219,7 @@ public final class TrxRegionProtos {
         output.writeInt64(2, transactionId_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeInt64(3, startEpoc_);
+        output.writeInt64(3, startEpoch_);
       }
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         output.writeInt64(4, commitId_);
@@ -9225,7 +9246,7 @@ public final class TrxRegionProtos {
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeInt64Size(3, startEpoc_);
+          .computeInt64Size(3, startEpoch_);
       }
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         size += com.google.protobuf.CodedOutputStream
@@ -9355,7 +9376,7 @@ public final class TrxRegionProtos {
         bitField0_ = (bitField0_ & ~0x00000001);
         transactionId_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000002);
-        startEpoc_ = 0L;
+        startEpoch_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000004);
         commitId_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000008);
@@ -9400,7 +9421,7 @@ public final class TrxRegionProtos {
         if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
           to_bitField0_ |= 0x00000004;
         }
-        result.startEpoc_ = startEpoc_;
+        result.startEpoch_ = startEpoch_;
         if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
           to_bitField0_ |= 0x00000008;
         }
@@ -9431,8 +9452,8 @@ public final class TrxRegionProtos {
         if (other.hasTransactionId()) {
           setTransactionId(other.getTransactionId());
         }
-        if (other.hasStartEpoc()) {
-          setStartEpoc(other.getStartEpoc());
+        if (other.hasStartEpoch()) {
+          setStartEpoch(other.getStartEpoch());
         }
         if (other.hasCommitId()) {
           setCommitId(other.getCommitId());
@@ -9453,7 +9474,7 @@ public final class TrxRegionProtos {
           
           return false;
         }
-        if (!hasStartEpoc()) {
+        if (!hasStartEpoch()) {
           
           return false;
         }
@@ -9556,35 +9577,35 @@ public final class TrxRegionProtos {
         return this;
       }
 
-      // required int64 startEpoc = 3;
-      private long startEpoc_ ;
+      // required int64 startEpoch = 3;
+      private long startEpoch_ ;
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public boolean hasStartEpoc() {
+      public boolean hasStartEpoch() {
         return ((bitField0_ & 0x00000004) == 0x00000004);
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public long getStartEpoc() {
-        return startEpoc_;
+      public long getStartEpoch() {
+        return startEpoch_;
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public Builder setStartEpoc(long value) {
+      public Builder setStartEpoch(long value) {
         bitField0_ |= 0x00000004;
-        startEpoc_ = value;
+        startEpoch_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required int64 startEpoc = 3;</code>
+       * <code>required int64 startEpoch = 3;</code>
        */
-      public Builder clearStartEpoc() {
+      public Builder clearStartEpoch() {
         bitField0_ = (bitField0_ & ~0x00000004);
-        startEpoc_ = 0L;
+        startEpoch_ = 0L;
         onChanged();
         return this;
       }
@@ -25731,58 +25752,58 @@ public final class TrxRegionProtos {
     // @@protoc_insertion_point(class_scope:PutMultipleTransactionalResponse)
   }
 
-  public interface RecoveryRequestRequestOrBuilder
+  public interface PushEpochRequestOrBuilder
       extends com.google.protobuf.MessageOrBuilder {
 
-    // required int64 transactionId = 1;
+    // required bytes regionName = 1;
     /**
-     * <code>required int64 transactionId = 1;</code>
+     * <code>required bytes regionName = 1;</code>
      */
-    boolean hasTransactionId();
+    boolean hasRegionName();
     /**
-     * <code>required int64 transactionId = 1;</code>
+     * <code>required bytes regionName = 1;</code>
      */
-    long getTransactionId();
+    com.google.protobuf.ByteString getRegionName();
 
-    // required bytes regionName = 2;
+    // required int64 transactionId = 2;
     /**
-     * <code>required bytes regionName = 2;</code>
+     * <code>required int64 transactionId = 2;</code>
      */
-    boolean hasRegionName();
+    boolean hasTransactionId();
     /**
-     * <code>required bytes regionName = 2;</code>
+     * <code>required int64 transactionId = 2;</code>
      */
-    com.google.protobuf.ByteString getRegionName();
+    long getTransactionId();
 
-    // required int32 tmId = 3;
+    // required int64 epoch = 3;
     /**
-     * <code>required int32 tmId = 3;</code>
+     * <code>required int64 epoch = 3;</code>
      */
-    boolean hasTmId();
+    boolean hasEpoch();
     /**
-     * <code>required int32 tmId = 3;</code>
+     * <code>required int64 epoch = 3;</code>
      */
-    int getTmId();
+    long getEpoch();
   }
   /**
-   * Protobuf type {@code RecoveryRequestRequest}
+   * Protobuf type {@code PushEpochRequest}
    */
-  public static final class RecoveryRequestRequest extends
+  public static final class PushEpochRequest extends
       com.google.protobuf.GeneratedMessage
-      implements RecoveryRequestRequestOrBuilder {
-    // Use RecoveryRequestRequest.newBuilder() to construct.
-    private 
RecoveryRequestRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) 
{
+      implements PushEpochRequestOrBuilder {
+    // Use PushEpochRequest.newBuilder() to construct.
+    private PushEpochRequest(com.google.protobuf.GeneratedMessage.Builder<?> 
builder) {
       super(builder);
       this.unknownFields = builder.getUnknownFields();
     }
-    private RecoveryRequestRequest(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+    private PushEpochRequest(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
 
-    private static final RecoveryRequestRequest defaultInstance;
-    public static RecoveryRequestRequest getDefaultInstance() {
+    private static final PushEpochRequest defaultInstance;
+    public static PushEpochRequest getDefaultInstance() {
       return defaultInstance;
     }
 
-    public RecoveryRequestRequest getDefaultInstanceForType() {
+    public PushEpochRequest getDefaultInstanceForType() {
       return defaultInstance;
     }
 
@@ -25792,7 +25813,7 @@ public final class TrxRegionProtos {
         getUnknownFields() {
       return this.unknownFields;
     }
-    private RecoveryRequestRequest(
+    private PushEpochRequest(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
@@ -25815,19 +25836,19 @@ public final class TrxRegionProtos {
               }
               break;
             }
-            case 8: {
+            case 10: {
               bitField0_ |= 0x00000001;
-              transactionId_ = input.readInt64();
+              regionName_ = input.readBytes();
               break;
             }
-            case 18: {
+            case 16: {
               bitField0_ |= 0x00000002;
-              regionName_ = input.readBytes();
+              transactionId_ = input.readInt64();
               break;
             }
             case 24: {
               bitField0_ |= 0x00000004;
-              tmId_ = input.readInt32();
+              epoch_ = input.readInt64();
               break;
             }
           }
@@ -25844,99 +25865,99 @@ public final class TrxRegionProtos {
     }
     public static final com.google.protobuf.Descriptors.Descriptor
         getDescriptor() {
-      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_descriptor;
+      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochRequest_descriptor;
     }
 
     protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_fieldAccessorTable
+      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.Builder.class);
+              
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest.Builder.class);
     }
 
-    public static com.google.protobuf.Parser<RecoveryRequestRequest> PARSER =
-        new com.google.protobuf.AbstractParser<RecoveryRequestRequest>() {
-      public RecoveryRequestRequest parsePartialFrom(
+    public static com.google.protobuf.Parser<PushEpochRequest> PARSER =
+        new com.google.protobuf.AbstractParser<PushEpochRequest>() {
+      public PushEpochRequest parsePartialFrom(
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws com.google.protobuf.InvalidProtocolBufferException {
-        return new RecoveryRequestRequest(input, extensionRegistry);
+        return new PushEpochRequest(input, extensionRegistry);
       }
     };
 
     @java.lang.Override
-    public com.google.protobuf.Parser<RecoveryRequestRequest> 
getParserForType() {
+    public com.google.protobuf.Parser<PushEpochRequest> getParserForType() {
       return PARSER;
     }
 
     private int bitField0_;
-    // required int64 transactionId = 1;
-    public static final int TRANSACTIONID_FIELD_NUMBER = 1;
-    private long transactionId_;
+    // required bytes regionName = 1;
+    public static final int REGIONNAME_FIELD_NUMBER = 1;
+    private com.google.protobuf.ByteString regionName_;
     /**
-     * <code>required int64 transactionId = 1;</code>
+     * <code>required bytes regionName = 1;</code>
      */
-    public boolean hasTransactionId() {
+    public boolean hasRegionName() {
       return ((bitField0_ & 0x00000001) == 0x00000001);
     }
     /**
-     * <code>required int64 transactionId = 1;</code>
+     * <code>required bytes regionName = 1;</code>
      */
-    public long getTransactionId() {
-      return transactionId_;
+    public com.google.protobuf.ByteString getRegionName() {
+      return regionName_;
     }
 
-    // required bytes regionName = 2;
-    public static final int REGIONNAME_FIELD_NUMBER = 2;
-    private com.google.protobuf.ByteString regionName_;
+    // required int64 transactionId = 2;
+    public static final int TRANSACTIONID_FIELD_NUMBER = 2;
+    private long transactionId_;
     /**
-     * <code>required bytes regionName = 2;</code>
+     * <code>required int64 transactionId = 2;</code>
      */
-    public boolean hasRegionName() {
+    public boolean hasTransactionId() {
       return ((bitField0_ & 0x00000002) == 0x00000002);
     }
     /**
-     * <code>required bytes regionName = 2;</code>
+     * <code>required int64 transactionId = 2;</code>
      */
-    public com.google.protobuf.ByteString getRegionName() {
-      return regionName_;
+    public long getTransactionId() {
+      return transactionId_;
     }
 
-    // required int32 tmId = 3;
-    public static final int TMID_FIELD_NUMBER = 3;
-    private int tmId_;
+    // required int64 epoch = 3;
+    public static final int EPOCH_FIELD_NUMBER = 3;
+    private long epoch_;
     /**
-     * <code>required int32 tmId = 3;</code>
+     * <code>required int64 epoch = 3;</code>
      */
-    public boolean hasTmId() {
+    public boolean hasEpoch() {
       return ((bitField0_ & 0x00000004) == 0x00000004);
     }
     /**
-     * <code>required int32 tmId = 3;</code>
+     * <code>required int64 epoch = 3;</code>
      */
-    public int getTmId() {
-      return tmId_;
+    public long getEpoch() {
+      return epoch_;
     }
 
     private void initFields() {
-      transactionId_ = 0L;
       regionName_ = com.google.protobuf.ByteString.EMPTY;
-      tmId_ = 0;
+      transactionId_ = 0L;
+      epoch_ = 0L;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
       if (isInitialized != -1) return isInitialized == 1;
 
-      if (!hasTransactionId()) {
+      if (!hasRegionName()) {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (!hasRegionName()) {
+      if (!hasTransactionId()) {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (!hasTmId()) {
+      if (!hasEpoch()) {
         memoizedIsInitialized = 0;
         return false;
       }
@@ -25948,13 +25969,13 @@ public final class TrxRegionProtos {
                         throws java.io.IOException {
       getSerializedSize();
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeInt64(1, transactionId_);
+        output.writeBytes(1, regionName_);
       }
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        output.writeBytes(2, regionName_);
+        output.writeInt64(2, transactionId_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeInt32(3, tmId_);
+        output.writeInt64(3, epoch_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -25967,15 +25988,15 @@ public final class TrxRegionProtos {
       size = 0;
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeInt64Size(1, transactionId_);
+          .computeBytesSize(1, regionName_);
       }
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeBytesSize(2, regionName_);
+          .computeInt64Size(2, transactionId_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeInt32Size(3, tmId_);
+          .computeInt64Size(3, epoch_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
@@ -25989,53 +26010,53 @@ public final class TrxRegionProtos {
       return super.writeReplace();
     }
 
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(byte[] data)
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(
         byte[] data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(java.io.InputStream input)
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(
         java.io.InputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return PARSER.parseFrom(input, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseDelimitedFrom(java.io.InputStream input)
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseDelimitedFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseDelimitedFrom(input);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseDelimitedFrom(
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseDelimitedFrom(
         java.io.InputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return PARSER.parseDelimitedFrom(input, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(
         com.google.protobuf.CodedInputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
@@ -26044,7 +26065,7 @@ public final class TrxRegionProtos {
 
     public static Builder newBuilder() { return Builder.create(); }
     public Builder newBuilderForType() { return newBuilder(); }
-    public static Builder 
newBuilder(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 prototype) {
+    public static Builder 
newBuilder(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 prototype) {
       return newBuilder().mergeFrom(prototype);
     }
     public Builder toBuilder() { return newBuilder(this); }
@@ -26056,24 +26077,24 @@ public final class TrxRegionProtos {
       return builder;
     }
     /**
-     * Protobuf type {@code RecoveryRequestRequest}
+     * Protobuf type {@code PushEpochRequest}
      */
     public static final class Builder extends
         com.google.protobuf.GeneratedMessage.Builder<Builder>
-       implements 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequestOrBuilder
 {
+       implements 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequestOrBuilder
 {
       public static final com.google.protobuf.Descriptors.Descriptor
           getDescriptor() {
-        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_descriptor;
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochRequest_descriptor;
       }
 
       protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_fieldAccessorTable
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochRequest_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.Builder.class);
+                
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest.Builder.class);
       }
 
-      // Construct using 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.newBuilder()
+      // Construct using 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest.newBuilder()
       private Builder() {
         maybeForceBuilderInitialization();
       }
@@ -26093,11 +26114,11 @@ public final class TrxRegionProtos {
 
       public Builder clear() {
         super.clear();
-        transactionId_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000001);
         regionName_ = com.google.protobuf.ByteString.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        transactionId_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000002);
-        tmId_ = 0;
+        epoch_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000004);
         return this;
       }
@@ -26108,76 +26129,76 @@ public final class TrxRegionProtos {
 
       public com.google.protobuf.Descriptors.Descriptor
           getDescriptorForType() {
-        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_descriptor;
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochRequest_descriptor;
       }
 
-      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 getDefaultInstanceForType() {
-        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.getDefaultInstance();
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 getDefaultInstanceForType() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest.getDefaultInstance();
       }
 
-      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 build() {
-        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 result = buildPartial();
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 build() {
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
         return result;
       }
 
-      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 buildPartial() {
-        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 result = new 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest(this);
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 buildPartial() {
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 result = new 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest(this);
         int from_bitField0_ = bitField0_;
         int to_bitField0_ = 0;
         if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
           to_bitField0_ |= 0x00000001;
         }
-        result.transactionId_ = transactionId_;
+        result.regionName_ = regionName_;
         if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
           to_bitField0_ |= 0x00000002;
         }
-        result.regionName_ = regionName_;
+        result.transactionId_ = transactionId_;
         if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
           to_bitField0_ |= 0x00000004;
         }
-        result.tmId_ = tmId_;
+        result.epoch_ = epoch_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
 
       public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest)
 {
-          return 
mergeFrom((org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest)other);
+        if (other instanceof 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest)
 {
+          return 
mergeFrom((org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder 
mergeFrom(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 other) {
-        if (other == 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.getDefaultInstance())
 return this;
-        if (other.hasTransactionId()) {
-          setTransactionId(other.getTransactionId());
-        }
+      public Builder 
mergeFrom(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 other) {
+        if (other == 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest.getDefaultInstance())
 return this;
         if (other.hasRegionName()) {
           setRegionName(other.getRegionName());
         }
-        if (other.hasTmId()) {
-          setTmId(other.getTmId());
+        if (other.hasTransactionId()) {
+          setTransactionId(other.getTransactionId());
+        }
+        if (other.hasEpoch()) {
+          setEpoch(other.getEpoch());
         }
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
       }
 
       public final boolean isInitialized() {
-        if (!hasTransactionId()) {
+        if (!hasRegionName()) {
           
           return false;
         }
-        if (!hasRegionName()) {
+        if (!hasTransactionId()) {
           
           return false;
         }
-        if (!hasTmId()) {
+        if (!hasEpoch()) {
           
           return false;
         }
@@ -26188,11 +26209,11 @@ public final class TrxRegionProtos {
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parsedMessage = null;
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest
 parsedMessage = null;
         try {
           parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = 
(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest)
 e.getUnfinishedMessage();
+          parsedMessage = 
(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochRequest)
 e.getUnfinishedMessage();
           throw e;
         } finally {
           if (parsedMessage != null) {
@@ -26203,180 +26224,166 @@ public final class TrxRegionProtos {
       }
       private int bitField0_;
 
-      // required int64 transactionId = 1;
-      private long transactionId_ ;
+      // required bytes regionName = 1;
+      private com.google.protobuf.ByteString regionName_ = 
com.google.protobuf.ByteString.EMPTY;
       /**
-       * <code>required int64 transactionId = 1;</code>
+       * <code>required bytes regionName = 1;</code>
        */
-      public boolean hasTransactionId() {
+      public boolean hasRegionName() {
         return ((bitField0_ & 0x00000001) == 0x00000001);
       }
       /**
-       * <code>required int64 transactionId = 1;</code>
+       * <code>required bytes regionName = 1;</code>
        */
-      public long getTransactionId() {
-        return transactionId_;
+      public com.google.protobuf.ByteString getRegionName() {
+        return regionName_;
       }
       /**
-       * <code>required int64 transactionId = 1;</code>
+       * <code>required bytes regionName = 1;</code>
        */
-      public Builder setTransactionId(long value) {
-        bitField0_ |= 0x00000001;
-        transactionId_ = value;
+      public Builder setRegionName(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        regionName_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required int64 transactionId = 1;</code>
+       * <code>required bytes regionName = 1;</code>
        */
-      public Builder clearTransactionId() {
+      public Builder clearRegionName() {
         bitField0_ = (bitField0_ & ~0x00000001);
-        transactionId_ = 0L;
+        regionName_ = getDefaultInstance().getRegionName();
         onChanged();
         return this;
       }
 
-      // required bytes regionName = 2;
-      private com.google.protobuf.ByteString regionName_ = 
com.google.protobuf.ByteString.EMPTY;
+      // required int64 transactionId = 2;
+      private long transactionId_ ;
       /**
-       * <code>required bytes regionName = 2;</code>
+       * <code>required int64 transactionId = 2;</code>
        */
-      public boolean hasRegionName() {
+      public boolean hasTransactionId() {
         return ((bitField0_ & 0x00000002) == 0x00000002);
       }
       /**
-       * <code>required bytes regionName = 2;</code>
+       * <code>required int64 transactionId = 2;</code>
        */
-      public com.google.protobuf.ByteString getRegionName() {
-        return regionName_;
+      public long getTransactionId() {
+        return transactionId_;
       }
       /**
-       * <code>required bytes regionName = 2;</code>
+       * <code>required int64 transactionId = 2;</code>
        */
-      public Builder setRegionName(com.google.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000002;
-        regionName_ = value;
+      public Builder setTransactionId(long value) {
+        bitField0_ |= 0x00000002;
+        transactionId_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required bytes regionName = 2;</code>
+       * <code>required int64 transactionId = 2;</code>
        */
-      public Builder clearRegionName() {
+      public Builder clearTransactionId() {
         bitField0_ = (bitField0_ & ~0x00000002);
-        regionName_ = getDefaultInstance().getRegionName();
+        transactionId_ = 0L;
         onChanged();
         return this;
       }
 
-      // required int32 tmId = 3;
-      private int tmId_ ;
+      // required int64 epoch = 3;
+      private long epoch_ ;
       /**
-       * <code>required int32 tmId = 3;</code>
+       * <code>required int64 epoch = 3;</code>
        */
-      public boolean hasTmId() {
+      public boolean hasEpoch() {
         return ((bitField0_ & 0x00000004) == 0x00000004);
       }
       /**
-       * <code>required int32 tmId = 3;</code>
+       * <code>required int64 epoch = 3;</code>
        */
-      public int getTmId() {
-        return tmId_;
+      public long getEpoch() {
+        return epoch_;
       }
       /**
-       * <code>required int32 tmId = 3;</code>
+       * <code>required int64 epoch = 3;</code>
        */
-      public Builder setTmId(int value) {
+      public Builder setEpoch(long value) {
         bitField0_ |= 0x00000004;
-        tmId_ = value;
+        epoch_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required int32 tmId = 3;</code>
+       * <code>required int64 epoch = 3;</code>
        */
-      public Builder clearTmId() {
+      public Builder clearEpoch() {
         bitField0_ = (bitField0_ & ~0x00000004);
-        tmId_ = 0;
+        epoch_ = 0L;
         onChanged();
         return this;
       }
 
-      // @@protoc_insertion_point(builder_scope:RecoveryRequestRequest)
+      // @@protoc_insertion_point(builder_scope:PushEpochRequest)
     }
 
     static {
-      defaultInstance = new RecoveryRequestRequest(true);
+      defaultInstance = new PushEpochRequest(true);
       defaultInstance.initFields();
     }
 
-    // @@protoc_insertion_point(class_scope:RecoveryRequestRequest)
+    // @@protoc_insertion_point(class_scope:PushEpochRequest)
   }
 
-  public interface RecoveryRequestResponseOrBuilder
+  public interface PushEpochResponseOrBuilder
       extends com.google.protobuf.MessageOrBuilder {
 
-    // repeated int64 result = 1;
-    /**
-     * <code>repeated int64 result = 1;</code>
-     */
-    java.util.List<java.lang.Long> getResultList();
-    /**
-     * <code>repeated int64 result = 1;</code>
-     */
-    int getResultCount();
-    /**
-     * <code>repeated int64 result = 1;</code>
-     */
-    long getResult(int index);
-
-    // optional string exception = 2;
+    // optional string exception = 1;
     /**
-     * <code>optional string exception = 2;</code>
+     * <code>optional string exception = 1;</code>
      */
     boolean hasException();
     /**
-     * <code>optional string exception = 2;</code>
+     * <code>optional string exception = 1;</code>
      */
     java.lang.String getException();
     /**
-     * <code>optional string exception = 2;</code>
+     * <code>optional string exception = 1;</code>
      */
     com.google.protobuf.ByteString
         getExceptionBytes();
 
-    // optional bool hasException = 3;
+    // optional bool hasException = 2;
     /**
-     * <code>optional bool hasException = 3;</code>
+     * <code>optional bool hasException = 2;</code>
      */
     boolean hasHasException();
     /**
-     * <code>optional bool hasException = 3;</code>
+     * <code>optional bool hasException = 2;</code>
      */
     boolean getHasException();
   }
   /**
-   * Protobuf type {@code RecoveryRequestResponse}
+   * Protobuf type {@code PushEpochResponse}
    */
-  public static final class RecoveryRequestResponse extends
+  public static final class PushEpochResponse extends
       com.google.protobuf.GeneratedMessage
-      implements RecoveryRequestResponseOrBuilder {
-    // Use RecoveryRequestResponse.newBuilder() to construct.
-    private 
RecoveryRequestResponse(com.google.protobuf.GeneratedMessage.Builder<?> 
builder) {
+      implements PushEpochResponseOrBuilder {
+    // Use PushEpochResponse.newBuilder() to construct.
+    private PushEpochResponse(com.google.protobuf.GeneratedMessage.Builder<?> 
builder) {
       super(builder);
       this.unknownFields = builder.getUnknownFields();
     }
-    private RecoveryRequestResponse(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+    private PushEpochResponse(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
 
-    private static final RecoveryRequestResponse defaultInstance;
-    public static RecoveryRequestResponse getDefaultInstance() {
+    private static final PushEpochResponse defaultInstance;
+    public static PushEpochResponse getDefaultInstance() {
       return defaultInstance;
     }
 
-    public RecoveryRequestResponse getDefaultInstanceForType() {
+    public PushEpochResponse getDefaultInstanceForType() {
       return defaultInstance;
     }
 
@@ -26386,7 +26393,1158 @@ public final class TrxRegionProtos {
         getUnknownFields() {
       return this.unknownFields;
     }
-    private RecoveryRequestResponse(
+    private PushEpochResponse(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 10: {
+              bitField0_ |= 0x00000001;
+              exception_ = input.readBytes();
+              break;
+            }
+            case 16: {
+              bitField0_ |= 0x00000002;
+              hasException_ = input.readBool();
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochResponse_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<PushEpochResponse> PARSER =
+        new com.google.protobuf.AbstractParser<PushEpochResponse>() {
+      public PushEpochResponse parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new PushEpochResponse(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<PushEpochResponse> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // optional string exception = 1;
+    public static final int EXCEPTION_FIELD_NUMBER = 1;
+    private java.lang.Object exception_;
+    /**
+     * <code>optional string exception = 1;</code>
+     */
+    public boolean hasException() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>optional string exception = 1;</code>
+     */
+    public java.lang.String getException() {
+      java.lang.Object ref = exception_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          exception_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string exception = 1;</code>
+     */
+    public com.google.protobuf.ByteString
+        getExceptionBytes() {
+      java.lang.Object ref = exception_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        exception_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    // optional bool hasException = 2;
+    public static final int HASEXCEPTION_FIELD_NUMBER = 2;
+    private boolean hasException_;
+    /**
+     * <code>optional bool hasException = 2;</code>
+     */
+    public boolean hasHasException() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>optional bool hasException = 2;</code>
+     */
+    public boolean getHasException() {
+      return hasException_;
+    }
+
+    private void initFields() {
+      exception_ = "";
+      hasException_ = false;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeBytes(1, getExceptionBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeBool(2, hasException_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(1, getExceptionBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(2, hasException_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder 
newBuilder(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code PushEpochResponse}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponseOrBuilder
 {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochResponse_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochResponse_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse.Builder.class);
+      }
+
+      // Construct using 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        exception_ = "";
+        bitField0_ = (bitField0_ & ~0x00000001);
+        hasException_ = false;
+        bitField0_ = (bitField0_ & ~0x00000002);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_PushEpochResponse_descriptor;
+      }
+
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 getDefaultInstanceForType() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse.getDefaultInstance();
+      }
+
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 build() {
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 buildPartial() {
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 result = new 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.exception_ = exception_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.hasException_ = hasException_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse)
 {
+          return 
mergeFrom((org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder 
mergeFrom(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 other) {
+        if (other == 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse.getDefaultInstance())
 return this;
+        if (other.hasException()) {
+          bitField0_ |= 0x00000001;
+          exception_ = other.exception_;
+          onChanged();
+        }
+        if (other.hasHasException()) {
+          setHasException(other.getHasException());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse
 parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = 
(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.PushEpochResponse)
 e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      // optional string exception = 1;
+      private java.lang.Object exception_ = "";
+      /**
+       * <code>optional string exception = 1;</code>
+       */
+      public boolean hasException() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>optional string exception = 1;</code>
+       */
+      public java.lang.String getException() {
+        java.lang.Object ref = exception_;
+        if (!(ref instanceof java.lang.String)) {
+          java.lang.String s = ((com.google.protobuf.ByteString) ref)
+              .toStringUtf8();
+          exception_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string exception = 1;</code>
+       */
+      public com.google.protobuf.ByteString
+          getExceptionBytes() {
+        java.lang.Object ref = exception_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          exception_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string exception = 1;</code>
+       */
+      public Builder setException(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        exception_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string exception = 1;</code>
+       */
+      public Builder clearException() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        exception_ = getDefaultInstance().getException();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string exception = 1;</code>
+       */
+      public Builder setExceptionBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        exception_ = value;
+        onChanged();
+        return this;
+      }
+
+      // optional bool hasException = 2;
+      private boolean hasException_ ;
+      /**
+       * <code>optional bool hasException = 2;</code>
+       */
+      public boolean hasHasException() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>optional bool hasException = 2;</code>
+       */
+      public boolean getHasException() {
+        return hasException_;
+      }
+      /**
+       * <code>optional bool hasException = 2;</code>
+       */
+      public Builder setHasException(boolean value) {
+        bitField0_ |= 0x00000002;
+        hasException_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bool hasException = 2;</code>
+       */
+      public Builder clearHasException() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        hasException_ = false;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:PushEpochResponse)
+    }
+
+    static {
+      defaultInstance = new PushEpochResponse(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:PushEpochResponse)
+  }
+
+  public interface RecoveryRequestRequestOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+
+    // required int64 transactionId = 1;
+    /**
+     * <code>required int64 transactionId = 1;</code>
+     */
+    boolean hasTransactionId();
+    /**
+     * <code>required int64 transactionId = 1;</code>
+     */
+    long getTransactionId();
+
+    // required bytes regionName = 2;
+    /**
+     * <code>required bytes regionName = 2;</code>
+     */
+    boolean hasRegionName();
+    /**
+     * <code>required bytes regionName = 2;</code>
+     */
+    com.google.protobuf.ByteString getRegionName();
+
+    // required int32 tmId = 3;
+    /**
+     * <code>required int32 tmId = 3;</code>
+     */
+    boolean hasTmId();
+    /**
+     * <code>required int32 tmId = 3;</code>
+     */
+    int getTmId();
+  }
+  /**
+   * Protobuf type {@code RecoveryRequestRequest}
+   */
+  public static final class RecoveryRequestRequest extends
+      com.google.protobuf.GeneratedMessage
+      implements RecoveryRequestRequestOrBuilder {
+    // Use RecoveryRequestRequest.newBuilder() to construct.
+    private 
RecoveryRequestRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) 
{
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private RecoveryRequestRequest(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final RecoveryRequestRequest defaultInstance;
+    public static RecoveryRequestRequest getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public RecoveryRequestRequest getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private RecoveryRequestRequest(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 8: {
+              bitField0_ |= 0x00000001;
+              transactionId_ = input.readInt64();
+              break;
+            }
+            case 18: {
+              bitField0_ |= 0x00000002;
+              regionName_ = input.readBytes();
+              break;
+            }
+            case 24: {
+              bitField0_ |= 0x00000004;
+              tmId_ = input.readInt32();
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<RecoveryRequestRequest> PARSER =
+        new com.google.protobuf.AbstractParser<RecoveryRequestRequest>() {
+      public RecoveryRequestRequest parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new RecoveryRequestRequest(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RecoveryRequestRequest> 
getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // required int64 transactionId = 1;
+    public static final int TRANSACTIONID_FIELD_NUMBER = 1;
+    private long transactionId_;
+    /**
+     * <code>required int64 transactionId = 1;</code>
+     */
+    public boolean hasTransactionId() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required int64 transactionId = 1;</code>
+     */
+    public long getTransactionId() {
+      return transactionId_;
+    }
+
+    // required bytes regionName = 2;
+    public static final int REGIONNAME_FIELD_NUMBER = 2;
+    private com.google.protobuf.ByteString regionName_;
+    /**
+     * <code>required bytes regionName = 2;</code>
+     */
+    public boolean hasRegionName() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>required bytes regionName = 2;</code>
+     */
+    public com.google.protobuf.ByteString getRegionName() {
+      return regionName_;
+    }
+
+    // required int32 tmId = 3;
+    public static final int TMID_FIELD_NUMBER = 3;
+    private int tmId_;
+    /**
+     * <code>required int32 tmId = 3;</code>
+     */
+    public boolean hasTmId() {
+      return ((bitField0_ & 0x00000004) == 0x00000004);
+    }
+    /**
+     * <code>required int32 tmId = 3;</code>
+     */
+    public int getTmId() {
+      return tmId_;
+    }
+
+    private void initFields() {
+      transactionId_ = 0L;
+      regionName_ = com.google.protobuf.ByteString.EMPTY;
+      tmId_ = 0;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      if (!hasTransactionId()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasRegionName()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasTmId()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeInt64(1, transactionId_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeBytes(2, regionName_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        output.writeInt32(3, tmId_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeInt64Size(1, transactionId_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(2, regionName_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeInt32Size(3, tmId_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder 
newBuilder(org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code RecoveryRequestRequest}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequestOrBuilder
 {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.class,
 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.Builder.class);
+      }
+
+      // Construct using 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        transactionId_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        regionName_ = com.google.protobuf.ByteString.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000002);
+        tmId_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000004);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.internal_static_RecoveryRequestRequest_descriptor;
+      }
+
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 getDefaultInstanceForType() {
+        return 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest.getDefaultInstance();
+      }
+
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 build() {
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 buildPartial() {
+        
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest
 result = new 
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.RecoveryRequestRequest(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.transactionId_ = transactionId_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.regionName_ = regionName_;
+        if (((from_bi

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