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From ramkris...@apache.org
Subject [2/3] hbase git commit: HBASE-16414 Improve performance for RPC encryption with Apache Common Crypto (Colin Ma)
Date Fri, 21 Oct 2016 10:33:17 GMT
http://git-wip-us.apache.org/repos/asf/hbase/blob/0ae211eb/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/RPCProtos.java
----------------------------------------------------------------------
diff --git a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/RPCProtos.java b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/RPCProtos.java
index 3c2bec0..d12b30e 100644
--- a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/RPCProtos.java
+++ b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/RPCProtos.java
@@ -839,6 +839,32 @@ public final class RPCProtos {
      * <code>optional .hbase.pb.VersionInfo version_info = 5;</code>
      */
     org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.VersionInfoOrBuilder getVersionInfoOrBuilder();
+
+    /**
+     * <pre>
+     * the transformation for rpc AES encryption with Apache Commons Crypto
+     * </pre>
+     *
+     * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+     */
+    boolean hasRpcCryptoCipherTransformation();
+    /**
+     * <pre>
+     * the transformation for rpc AES encryption with Apache Commons Crypto
+     * </pre>
+     *
+     * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+     */
+    java.lang.String getRpcCryptoCipherTransformation();
+    /**
+     * <pre>
+     * the transformation for rpc AES encryption with Apache Commons Crypto
+     * </pre>
+     *
+     * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+     */
+    org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getRpcCryptoCipherTransformationBytes();
   }
   /**
    * <pre>
@@ -859,6 +885,7 @@ public final class RPCProtos {
       serviceName_ = "";
       cellBlockCodecClass_ = "";
       cellBlockCompressorClass_ = "";
+      rpcCryptoCipherTransformation_ = "";
     }
 
     @java.lang.Override
@@ -933,6 +960,12 @@ public final class RPCProtos {
               bitField0_ |= 0x00000010;
               break;
             }
+            case 50: {
+              org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000020;
+              rpcCryptoCipherTransformation_ = bs;
+              break;
+            }
           }
         }
       } catch (org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1156,6 +1189,60 @@ public final class RPCProtos {
       return versionInfo_ == null ? org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.VersionInfo.getDefaultInstance() : versionInfo_;
     }
 
+    public static final int RPC_CRYPTO_CIPHER_TRANSFORMATION_FIELD_NUMBER = 6;
+    private volatile java.lang.Object rpcCryptoCipherTransformation_;
+    /**
+     * <pre>
+     * the transformation for rpc AES encryption with Apache Commons Crypto
+     * </pre>
+     *
+     * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+     */
+    public boolean hasRpcCryptoCipherTransformation() {
+      return ((bitField0_ & 0x00000020) == 0x00000020);
+    }
+    /**
+     * <pre>
+     * the transformation for rpc AES encryption with Apache Commons Crypto
+     * </pre>
+     *
+     * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+     */
+    public java.lang.String getRpcCryptoCipherTransformation() {
+      java.lang.Object ref = rpcCryptoCipherTransformation_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = 
+            (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          rpcCryptoCipherTransformation_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <pre>
+     * the transformation for rpc AES encryption with Apache Commons Crypto
+     * </pre>
+     *
+     * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+     */
+    public org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getRpcCryptoCipherTransformationBytes() {
+      java.lang.Object ref = rpcCryptoCipherTransformation_;
+      if (ref instanceof java.lang.String) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString b = 
+            org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        rpcCryptoCipherTransformation_ = b;
+        return b;
+      } else {
+        return (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+      }
+    }
+
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -1195,6 +1282,9 @@ public final class RPCProtos {
       if (((bitField0_ & 0x00000010) == 0x00000010)) {
         output.writeMessage(5, getVersionInfo());
       }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.writeString(output, 6, rpcCryptoCipherTransformation_);
+      }
       unknownFields.writeTo(output);
     }
 
@@ -1220,6 +1310,9 @@ public final class RPCProtos {
         size += org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
           .computeMessageSize(5, getVersionInfo());
       }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        size += org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.computeStringSize(6, rpcCryptoCipherTransformation_);
+      }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
       return size;
@@ -1262,6 +1355,11 @@ public final class RPCProtos {
         result = result && getVersionInfo()
             .equals(other.getVersionInfo());
       }
+      result = result && (hasRpcCryptoCipherTransformation() == other.hasRpcCryptoCipherTransformation());
+      if (hasRpcCryptoCipherTransformation()) {
+        result = result && getRpcCryptoCipherTransformation()
+            .equals(other.getRpcCryptoCipherTransformation());
+      }
       result = result && unknownFields.equals(other.unknownFields);
       return result;
     }
@@ -1293,6 +1391,10 @@ public final class RPCProtos {
         hash = (37 * hash) + VERSION_INFO_FIELD_NUMBER;
         hash = (53 * hash) + getVersionInfo().hashCode();
       }
+      if (hasRpcCryptoCipherTransformation()) {
+        hash = (37 * hash) + RPC_CRYPTO_CIPHER_TRANSFORMATION_FIELD_NUMBER;
+        hash = (53 * hash) + getRpcCryptoCipherTransformation().hashCode();
+      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -1435,6 +1537,8 @@ public final class RPCProtos {
           versionInfoBuilder_.clear();
         }
         bitField0_ = (bitField0_ & ~0x00000010);
+        rpcCryptoCipherTransformation_ = "";
+        bitField0_ = (bitField0_ & ~0x00000020);
         return this;
       }
 
@@ -1487,6 +1591,10 @@ public final class RPCProtos {
         } else {
           result.versionInfo_ = versionInfoBuilder_.build();
         }
+        if (((from_bitField0_ & 0x00000020) == 0x00000020)) {
+          to_bitField0_ |= 0x00000020;
+        }
+        result.rpcCryptoCipherTransformation_ = rpcCryptoCipherTransformation_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -1550,6 +1658,11 @@ public final class RPCProtos {
         if (other.hasVersionInfo()) {
           mergeVersionInfo(other.getVersionInfo());
         }
+        if (other.hasRpcCryptoCipherTransformation()) {
+          bitField0_ |= 0x00000020;
+          rpcCryptoCipherTransformation_ = other.rpcCryptoCipherTransformation_;
+          onChanged();
+        }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
         return this;
@@ -2111,6 +2224,106 @@ public final class RPCProtos {
         }
         return versionInfoBuilder_;
       }
+
+      private java.lang.Object rpcCryptoCipherTransformation_ = "";
+      /**
+       * <pre>
+       * the transformation for rpc AES encryption with Apache Commons Crypto
+       * </pre>
+       *
+       * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+       */
+      public boolean hasRpcCryptoCipherTransformation() {
+        return ((bitField0_ & 0x00000020) == 0x00000020);
+      }
+      /**
+       * <pre>
+       * the transformation for rpc AES encryption with Apache Commons Crypto
+       * </pre>
+       *
+       * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+       */
+      public java.lang.String getRpcCryptoCipherTransformation() {
+        java.lang.Object ref = rpcCryptoCipherTransformation_;
+        if (!(ref instanceof java.lang.String)) {
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs =
+              (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            rpcCryptoCipherTransformation_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <pre>
+       * the transformation for rpc AES encryption with Apache Commons Crypto
+       * </pre>
+       *
+       * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+       */
+      public org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+          getRpcCryptoCipherTransformationBytes() {
+        java.lang.Object ref = rpcCryptoCipherTransformation_;
+        if (ref instanceof String) {
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString b = 
+              org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          rpcCryptoCipherTransformation_ = b;
+          return b;
+        } else {
+          return (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <pre>
+       * the transformation for rpc AES encryption with Apache Commons Crypto
+       * </pre>
+       *
+       * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+       */
+      public Builder setRpcCryptoCipherTransformation(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000020;
+        rpcCryptoCipherTransformation_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * the transformation for rpc AES encryption with Apache Commons Crypto
+       * </pre>
+       *
+       * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+       */
+      public Builder clearRpcCryptoCipherTransformation() {
+        bitField0_ = (bitField0_ & ~0x00000020);
+        rpcCryptoCipherTransformation_ = getDefaultInstance().getRpcCryptoCipherTransformation();
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * the transformation for rpc AES encryption with Apache Commons Crypto
+       * </pre>
+       *
+       * <code>optional string rpc_crypto_cipher_transformation = 6;</code>
+       */
+      public Builder setRpcCryptoCipherTransformationBytes(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000020;
+        rpcCryptoCipherTransformation_ = value;
+        onChanged();
+        return this;
+      }
       public final Builder setUnknownFields(
           final org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
         return super.setUnknownFields(unknownFields);
@@ -2160,44 +2373,51 @@ public final class RPCProtos {
 
   }
 
-  public interface CellBlockMetaOrBuilder extends
-      // @@protoc_insertion_point(interface_extends:hbase.pb.CellBlockMeta)
+  public interface ConnectionHeaderResponseOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:hbase.pb.ConnectionHeaderResponse)
       org.apache.hadoop.hbase.shaded.com.google.protobuf.MessageOrBuilder {
 
     /**
      * <pre>
-     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * To use Apache Commons Crypto, negotiate the metadata
      * </pre>
      *
-     * <code>optional uint32 length = 1;</code>
+     * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
      */
-    boolean hasLength();
+    boolean hasCryptoCipherMeta();
     /**
      * <pre>
-     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * To use Apache Commons Crypto, negotiate the metadata
      * </pre>
      *
-     * <code>optional uint32 length = 1;</code>
+     * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
      */
-    int getLength();
+    org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta getCryptoCipherMeta();
+    /**
+     * <pre>
+     * To use Apache Commons Crypto, negotiate the metadata
+     * </pre>
+     *
+     * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+     */
+    org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMetaOrBuilder getCryptoCipherMetaOrBuilder();
   }
   /**
    * <pre>
-   * Optional Cell block Message.  Included in client RequestHeader
+   * This is sent by rpc server to negotiate the data if necessary
    * </pre>
    *
-   * Protobuf type {@code hbase.pb.CellBlockMeta}
+   * Protobuf type {@code hbase.pb.ConnectionHeaderResponse}
    */
-  public  static final class CellBlockMeta extends
+  public  static final class ConnectionHeaderResponse extends
       org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3 implements
-      // @@protoc_insertion_point(message_implements:hbase.pb.CellBlockMeta)
-      CellBlockMetaOrBuilder {
-    // Use CellBlockMeta.newBuilder() to construct.
-    private CellBlockMeta(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      // @@protoc_insertion_point(message_implements:hbase.pb.ConnectionHeaderResponse)
+      ConnectionHeaderResponseOrBuilder {
+    // Use ConnectionHeaderResponse.newBuilder() to construct.
+    private ConnectionHeaderResponse(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
       super(builder);
     }
-    private CellBlockMeta() {
-      length_ = 0;
+    private ConnectionHeaderResponse() {
     }
 
     @java.lang.Override
@@ -2205,7 +2425,7 @@ public final class RPCProtos {
     getUnknownFields() {
       return this.unknownFields;
     }
-    private CellBlockMeta(
+    private ConnectionHeaderResponse(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
@@ -2228,9 +2448,17 @@ public final class RPCProtos {
               }
               break;
             }
-            case 8: {
+            case 10: {
+              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.Builder subBuilder = null;
+              if (((bitField0_ & 0x00000001) == 0x00000001)) {
+                subBuilder = cryptoCipherMeta_.toBuilder();
+              }
+              cryptoCipherMeta_ = input.readMessage(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.PARSER, extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(cryptoCipherMeta_);
+                cryptoCipherMeta_ = subBuilder.buildPartial();
+              }
               bitField0_ |= 0x00000001;
-              length_ = input.readUInt32();
               break;
             }
           }
@@ -2247,38 +2475,48 @@ public final class RPCProtos {
     }
     public static final org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
         getDescriptor() {
-      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_descriptor;
+      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_ConnectionHeaderResponse_descriptor;
     }
 
     protected org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_fieldAccessorTable
+      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_ConnectionHeaderResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.class, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.Builder.class);
+              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse.class, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse.Builder.class);
     }
 
     private int bitField0_;
-    public static final int LENGTH_FIELD_NUMBER = 1;
-    private int length_;
+    public static final int CRYPTO_CIPHER_META_FIELD_NUMBER = 1;
+    private org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta cryptoCipherMeta_;
     /**
      * <pre>
-     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * To use Apache Commons Crypto, negotiate the metadata
      * </pre>
      *
-     * <code>optional uint32 length = 1;</code>
+     * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
      */
-    public boolean hasLength() {
+    public boolean hasCryptoCipherMeta() {
       return ((bitField0_ & 0x00000001) == 0x00000001);
     }
     /**
      * <pre>
-     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * To use Apache Commons Crypto, negotiate the metadata
      * </pre>
      *
-     * <code>optional uint32 length = 1;</code>
+     * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
      */
-    public int getLength() {
-      return length_;
+    public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta getCryptoCipherMeta() {
+      return cryptoCipherMeta_ == null ? org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.getDefaultInstance() : cryptoCipherMeta_;
+    }
+    /**
+     * <pre>
+     * To use Apache Commons Crypto, negotiate the metadata
+     * </pre>
+     *
+     * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+     */
+    public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMetaOrBuilder getCryptoCipherMetaOrBuilder() {
+      return cryptoCipherMeta_ == null ? org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.getDefaultInstance() : cryptoCipherMeta_;
     }
 
     private byte memoizedIsInitialized = -1;
@@ -2287,6 +2525,12 @@ public final class RPCProtos {
       if (isInitialized == 1) return true;
       if (isInitialized == 0) return false;
 
+      if (hasCryptoCipherMeta()) {
+        if (!getCryptoCipherMeta().isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
+      }
       memoizedIsInitialized = 1;
       return true;
     }
@@ -2294,7 +2538,7 @@ public final class RPCProtos {
     public void writeTo(org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream output)
                         throws java.io.IOException {
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeUInt32(1, length_);
+        output.writeMessage(1, getCryptoCipherMeta());
       }
       unknownFields.writeTo(output);
     }
@@ -2306,7 +2550,7 @@ public final class RPCProtos {
       size = 0;
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
         size += org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeUInt32Size(1, length_);
+          .computeMessageSize(1, getCryptoCipherMeta());
       }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
@@ -2319,16 +2563,16 @@ public final class RPCProtos {
       if (obj == this) {
        return true;
       }
-      if (!(obj instanceof org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta)) {
+      if (!(obj instanceof org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse)) {
         return super.equals(obj);
       }
-      org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta other = (org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta) obj;
+      org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse other = (org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse) obj;
 
       boolean result = true;
-      result = result && (hasLength() == other.hasLength());
-      if (hasLength()) {
-        result = result && (getLength()
-            == other.getLength());
+      result = result && (hasCryptoCipherMeta() == other.hasCryptoCipherMeta());
+      if (hasCryptoCipherMeta()) {
+        result = result && getCryptoCipherMeta()
+            .equals(other.getCryptoCipherMeta());
       }
       result = result && unknownFields.equals(other.unknownFields);
       return result;
@@ -2341,67 +2585,67 @@ public final class RPCProtos {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptorForType().hashCode();
-      if (hasLength()) {
-        hash = (37 * hash) + LENGTH_FIELD_NUMBER;
-        hash = (53 * hash) + getLength();
+      if (hasCryptoCipherMeta()) {
+        hash = (37 * hash) + CRYPTO_CIPHER_META_FIELD_NUMBER;
+        hash = (53 * hash) + getCryptoCipherMeta().hashCode();
       }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data)
         throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data,
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(byte[] data)
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(byte[] data)
         throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(
         byte[] data,
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(java.io.InputStream input)
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(java.io.InputStream input)
         throws java.io.IOException {
       return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(
         java.io.InputStream input,
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input, extensionRegistry);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseDelimitedFrom(java.io.InputStream input)
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseDelimitedFrom(java.io.InputStream input)
         throws java.io.IOException {
       return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseDelimitedWithIOException(PARSER, input);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseDelimitedFrom(
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseDelimitedFrom(
         java.io.InputStream input,
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input)
         throws java.io.IOException {
       return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input);
     }
-    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
@@ -2413,7 +2657,7 @@ public final class RPCProtos {
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-    public static Builder newBuilder(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta prototype) {
+    public static Builder newBuilder(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
     public Builder toBuilder() {
@@ -2429,28 +2673,28 @@ public final class RPCProtos {
     }
     /**
      * <pre>
-     * Optional Cell block Message.  Included in client RequestHeader
+     * This is sent by rpc server to negotiate the data if necessary
      * </pre>
      *
-     * Protobuf type {@code hbase.pb.CellBlockMeta}
+     * Protobuf type {@code hbase.pb.ConnectionHeaderResponse}
      */
     public static final class Builder extends
         org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
-        // @@protoc_insertion_point(builder_implements:hbase.pb.CellBlockMeta)
-        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMetaOrBuilder {
+        // @@protoc_insertion_point(builder_implements:hbase.pb.ConnectionHeaderResponse)
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponseOrBuilder {
       public static final org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
           getDescriptor() {
-        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_descriptor;
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_ConnectionHeaderResponse_descriptor;
       }
 
       protected org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_fieldAccessorTable
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_ConnectionHeaderResponse_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.class, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.Builder.class);
+                org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse.class, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse.Builder.class);
       }
 
-      // Construct using org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.newBuilder()
+      // Construct using org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse.newBuilder()
       private Builder() {
         maybeForceBuilderInitialization();
       }
@@ -2463,40 +2707,49 @@ public final class RPCProtos {
       private void maybeForceBuilderInitialization() {
         if (org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
                 .alwaysUseFieldBuilders) {
+          getCryptoCipherMetaFieldBuilder();
         }
       }
       public Builder clear() {
         super.clear();
-        length_ = 0;
+        if (cryptoCipherMetaBuilder_ == null) {
+          cryptoCipherMeta_ = null;
+        } else {
+          cryptoCipherMetaBuilder_.clear();
+        }
         bitField0_ = (bitField0_ & ~0x00000001);
         return this;
       }
 
       public org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
           getDescriptorForType() {
-        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_descriptor;
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_ConnectionHeaderResponse_descriptor;
       }
 
-      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta getDefaultInstanceForType() {
-        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.getDefaultInstance();
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse.getDefaultInstance();
       }
 
-      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta build() {
-        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta result = buildPartial();
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse build() {
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
         return result;
       }
 
-      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta buildPartial() {
-        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta result = new org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta(this);
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse buildPartial() {
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse result = new org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse(this);
         int from_bitField0_ = bitField0_;
         int to_bitField0_ = 0;
         if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
           to_bitField0_ |= 0x00000001;
         }
-        result.length_ = length_;
+        if (cryptoCipherMetaBuilder_ == null) {
+          result.cryptoCipherMeta_ = cryptoCipherMeta_;
+        } else {
+          result.cryptoCipherMeta_ = cryptoCipherMetaBuilder_.build();
+        }
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -2529,18 +2782,18 @@ public final class RPCProtos {
         return (Builder) super.addRepeatedField(field, value);
       }
       public Builder mergeFrom(org.apache.hadoop.hbase.shaded.com.google.protobuf.Message other) {
-        if (other instanceof org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta) {
-          return mergeFrom((org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta)other);
+        if (other instanceof org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse) {
+          return mergeFrom((org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta other) {
-        if (other == org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.getDefaultInstance()) return this;
-        if (other.hasLength()) {
-          setLength(other.getLength());
+      public Builder mergeFrom(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse other) {
+        if (other == org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse.getDefaultInstance()) return this;
+        if (other.hasCryptoCipherMeta()) {
+          mergeCryptoCipherMeta(other.getCryptoCipherMeta());
         }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
@@ -2548,6 +2801,11 @@ public final class RPCProtos {
       }
 
       public final boolean isInitialized() {
+        if (hasCryptoCipherMeta()) {
+          if (!getCryptoCipherMeta().isInitialized()) {
+            return false;
+          }
+        }
         return true;
       }
 
@@ -2555,11 +2813,11 @@ public final class RPCProtos {
           org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
           org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parsedMessage = null;
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse parsedMessage = null;
         try {
           parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
         } catch (org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = (org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta) e.getUnfinishedMessage();
+          parsedMessage = (org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse) e.getUnfinishedMessage();
           throw e.unwrapIOException();
         } finally {
           if (parsedMessage != null) {
@@ -2570,50 +2828,1909 @@ public final class RPCProtos {
       }
       private int bitField0_;
 
-      private int length_ ;
+      private org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta cryptoCipherMeta_ = null;
+      private org.apache.hadoop.hbase.shaded.com.google.protobuf.SingleFieldBuilderV3<
+          org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.Builder, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMetaOrBuilder> cryptoCipherMetaBuilder_;
       /**
        * <pre>
-       * Length of the following cell block.  Could calculate it but convenient having it too hand.
+       * To use Apache Commons Crypto, negotiate the metadata
        * </pre>
        *
-       * <code>optional uint32 length = 1;</code>
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
        */
-      public boolean hasLength() {
+      public boolean hasCryptoCipherMeta() {
         return ((bitField0_ & 0x00000001) == 0x00000001);
       }
       /**
        * <pre>
-       * Length of the following cell block.  Could calculate it but convenient having it too hand.
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta getCryptoCipherMeta() {
+        if (cryptoCipherMetaBuilder_ == null) {
+          return cryptoCipherMeta_ == null ? org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.getDefaultInstance() : cryptoCipherMeta_;
+        } else {
+          return cryptoCipherMetaBuilder_.getMessage();
+        }
+      }
+      /**
+       * <pre>
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      public Builder setCryptoCipherMeta(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta value) {
+        if (cryptoCipherMetaBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          cryptoCipherMeta_ = value;
+          onChanged();
+        } else {
+          cryptoCipherMetaBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000001;
+        return this;
+      }
+      /**
+       * <pre>
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      public Builder setCryptoCipherMeta(
+          org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.Builder builderForValue) {
+        if (cryptoCipherMetaBuilder_ == null) {
+          cryptoCipherMeta_ = builderForValue.build();
+          onChanged();
+        } else {
+          cryptoCipherMetaBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000001;
+        return this;
+      }
+      /**
+       * <pre>
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      public Builder mergeCryptoCipherMeta(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta value) {
+        if (cryptoCipherMetaBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) == 0x00000001) &&
+              cryptoCipherMeta_ != null &&
+              cryptoCipherMeta_ != org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.getDefaultInstance()) {
+            cryptoCipherMeta_ =
+              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.newBuilder(cryptoCipherMeta_).mergeFrom(value).buildPartial();
+          } else {
+            cryptoCipherMeta_ = value;
+          }
+          onChanged();
+        } else {
+          cryptoCipherMetaBuilder_.mergeFrom(value);
+        }
+        bitField0_ |= 0x00000001;
+        return this;
+      }
+      /**
+       * <pre>
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      public Builder clearCryptoCipherMeta() {
+        if (cryptoCipherMetaBuilder_ == null) {
+          cryptoCipherMeta_ = null;
+          onChanged();
+        } else {
+          cryptoCipherMetaBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+      /**
+       * <pre>
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.Builder getCryptoCipherMetaBuilder() {
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return getCryptoCipherMetaFieldBuilder().getBuilder();
+      }
+      /**
+       * <pre>
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMetaOrBuilder getCryptoCipherMetaOrBuilder() {
+        if (cryptoCipherMetaBuilder_ != null) {
+          return cryptoCipherMetaBuilder_.getMessageOrBuilder();
+        } else {
+          return cryptoCipherMeta_ == null ?
+              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.getDefaultInstance() : cryptoCipherMeta_;
+        }
+      }
+      /**
+       * <pre>
+       * To use Apache Commons Crypto, negotiate the metadata
+       * </pre>
+       *
+       * <code>optional .hbase.pb.CryptoCipherMeta crypto_cipher_meta = 1;</code>
+       */
+      private org.apache.hadoop.hbase.shaded.com.google.protobuf.SingleFieldBuilderV3<
+          org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.Builder, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMetaOrBuilder> 
+          getCryptoCipherMetaFieldBuilder() {
+        if (cryptoCipherMetaBuilder_ == null) {
+          cryptoCipherMetaBuilder_ = new org.apache.hadoop.hbase.shaded.com.google.protobuf.SingleFieldBuilderV3<
+              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMeta.Builder, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CryptoCipherMetaOrBuilder>(
+                  getCryptoCipherMeta(),
+                  getParentForChildren(),
+                  isClean());
+          cryptoCipherMeta_ = null;
+        }
+        return cryptoCipherMetaBuilder_;
+      }
+      public final Builder setUnknownFields(
+          final org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      public final Builder mergeUnknownFields(
+          final org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:hbase.pb.ConnectionHeaderResponse)
+    }
+
+    // @@protoc_insertion_point(class_scope:hbase.pb.ConnectionHeaderResponse)
+    private static final org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse();
+    }
+
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    @java.lang.Deprecated public static final org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<ConnectionHeaderResponse>
+        PARSER = new org.apache.hadoop.hbase.shaded.com.google.protobuf.AbstractParser<ConnectionHeaderResponse>() {
+      public ConnectionHeaderResponse parsePartialFrom(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+          return new ConnectionHeaderResponse(input, extensionRegistry);
+      }
+    };
+
+    public static org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<ConnectionHeaderResponse> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<ConnectionHeaderResponse> getParserForType() {
+      return PARSER;
+    }
+
+    public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeaderResponse getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  public interface CellBlockMetaOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:hbase.pb.CellBlockMeta)
+      org.apache.hadoop.hbase.shaded.com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <pre>
+     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * </pre>
+     *
+     * <code>optional uint32 length = 1;</code>
+     */
+    boolean hasLength();
+    /**
+     * <pre>
+     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * </pre>
+     *
+     * <code>optional uint32 length = 1;</code>
+     */
+    int getLength();
+  }
+  /**
+   * <pre>
+   * Optional Cell block Message.  Included in client RequestHeader
+   * </pre>
+   *
+   * Protobuf type {@code hbase.pb.CellBlockMeta}
+   */
+  public  static final class CellBlockMeta extends
+      org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:hbase.pb.CellBlockMeta)
+      CellBlockMetaOrBuilder {
+    // Use CellBlockMeta.newBuilder() to construct.
+    private CellBlockMeta(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private CellBlockMeta() {
+      length_ = 0;
+    }
+
+    @java.lang.Override
+    public final org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private CellBlockMeta(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      int mutable_bitField0_ = 0;
+      org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          org.apache.hadoop.hbase.shaded.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;
+              length_ = input.readUInt32();
+              break;
+            }
+          }
+        }
+      } catch (org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_descriptor;
+    }
+
+    protected org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.class, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.Builder.class);
+    }
+
+    private int bitField0_;
+    public static final int LENGTH_FIELD_NUMBER = 1;
+    private int length_;
+    /**
+     * <pre>
+     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * </pre>
+     *
+     * <code>optional uint32 length = 1;</code>
+     */
+    public boolean hasLength() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <pre>
+     * Length of the following cell block.  Could calculate it but convenient having it too hand.
+     * </pre>
+     *
+     * <code>optional uint32 length = 1;</code>
+     */
+    public int getLength() {
+      return length_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeUInt32(1, length_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
+          .computeUInt32Size(1, length_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta)) {
+        return super.equals(obj);
+      }
+      org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta other = (org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta) obj;
+
+      boolean result = true;
+      result = result && (hasLength() == other.hasLength());
+      if (hasLength()) {
+        result = result && (getLength()
+            == other.getLength());
+      }
+      result = result && unknownFields.equals(other.unknownFields);
+      return result;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptorForType().hashCode();
+      if (hasLength()) {
+        hash = (37 * hash) + LENGTH_FIELD_NUMBER;
+        hash = (53 * hash) + getLength();
+      }
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(byte[] data)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+        byte[] data,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+        java.io.InputStream input,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseDelimitedFrom(
+        java.io.InputStream input,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parseFrom(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * <pre>
+     * Optional Cell block Message.  Included in client RequestHeader
+     * </pre>
+     *
+     * Protobuf type {@code hbase.pb.CellBlockMeta}
+     */
+    public static final class Builder extends
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:hbase.pb.CellBlockMeta)
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMetaOrBuilder {
+      public static final org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_descriptor;
+      }
+
+      protected org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.class, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.Builder.class);
+      }
+
+      // Construct using org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
+        }
+      }
+      public Builder clear() {
+        super.clear();
+        length_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      public org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_CellBlockMeta_descriptor;
+      }
+
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.getDefaultInstance();
+      }
+
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta build() {
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta buildPartial() {
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta result = new org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.length_ = length_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder clone() {
+        return (Builder) super.clone();
+      }
+      public Builder setField(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
+          Object value) {
+        return (Builder) super.setField(field, value);
+      }
+      public Builder clearField(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return (Builder) super.clearField(field);
+      }
+      public Builder clearOneof(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return (Builder) super.clearOneof(oneof);
+      }
+      public Builder setRepeatedField(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, Object value) {
+        return (Builder) super.setRepeatedField(field, index, value);
+      }
+      public Builder addRepeatedField(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
+          Object value) {
+        return (Builder) super.addRepeatedField(field, value);
+      }
+      public Builder mergeFrom(org.apache.hadoop.hbase.shaded.com.google.protobuf.Message other) {
+        if (other instanceof org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta) {
+          return mergeFrom((org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta other) {
+        if (other == org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta.getDefaultInstance()) return this;
+        if (other.hasLength()) {
+          setLength(other.getLength());
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      public Builder mergeFrom(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      private int length_ ;
+      /**
+       * <pre>
+       * Length of the following cell block.  Could calculate it but convenient having it too hand.
+       * </pre>
+       *
+       * <code>optional uint32 length = 1;</code>
+       */
+      public boolean hasLength() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <pre>
+       * Length of the following cell block.  Could calculate it but convenient having it too hand.
+       * </pre>
+       *
+       * <code>optional uint32 length = 1;</code>
+       */
+      public int getLength() {
+        return length_;
+      }
+      /**
+       * <pre>
+       * Length of the following cell block.  Could calculate it but convenient having it too hand.
+       * </pre>
+       *
+       * <code>optional uint32 length = 1;</code>
+       */
+      public Builder setLength(int value) {
+        bitField0_ |= 0x00000001;
+        length_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * Length of the following cell block.  Could calculate it but convenient having it too hand.
        * </pre>
        *
        * <code>optional uint32 length = 1;</code>
        */
-      public int getLength() {
-        return length_;
+      public Builder clearLength() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        length_ = 0;
+        onChanged();
+        return this;
+      }
+      public final Builder setUnknownFields(
+          final org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      public final Builder mergeUnknownFields(
+          final org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:hbase.pb.CellBlockMeta)
+    }
+
+    // @@protoc_insertion_point(class_scope:hbase.pb.CellBlockMeta)
+    private static final org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta();
+    }
+
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    @java.lang.Deprecated public static final org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<CellBlockMeta>
+        PARSER = new org.apache.hadoop.hbase.shaded.com.google.protobuf.AbstractParser<CellBlockMeta>() {
+      public CellBlockMeta parsePartialFrom(
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
+          org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+          return new CellBlockMeta(input, extensionRegistry);
+      }
+    };
+
+    public static org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<CellBlockMeta> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<CellBlockMeta> getParserForType() {
+      return PARSER;
+    }
+
+    public org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  public interface ExceptionResponseOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:hbase.pb.ExceptionResponse)
+      org.apache.hadoop.hbase.shaded.com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <pre>
+     * Class name of the exception thrown from the server
+     * </pre>
+     *
+     * <code>optional string exception_class_name = 1;</code>
+     */
+    boolean hasExceptionClassName();
+    /**
+     * <pre>
+     * Class name of the exception thrown from the server
+     * </pre>
+     *
+     * <code>optional string exception_class_name = 1;</code>
+     */
+    java.lang.String getExceptionClassName();
+    /**
+     * <pre>
+     * Class name of the exception thrown from the server
+     * </pre>
+     *
+     * <code>optional string exception_class_name = 1;</code>
+     */
+    org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getExceptionClassNameBytes();
+
+    /**
+     * <pre>
+     * Exception stack trace from the server side
+     * </pre>
+     *
+     * <code>optional string stack_trace = 2;</code>
+     */
+    boolean hasStackTrace();
+    /**
+     * <pre>
+     * Exception stack trace from the server side
+     * </pre>
+     *
+     * <code>optional string stack_trace = 2;</code>
+     */
+    java.lang.String getStackTrace();
+    /**
+     * <pre>
+     * Exception stack trace from the server side
+     * </pre>
+     *
+     * <code>optional string stack_trace = 2;</code>
+     */
+    org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getStackTraceBytes();
+
+    /**
+     * <pre>
+     * Optional hostname.  Filled in for some exceptions such as region moved
+     * where exception gives clue on where the region may have moved.
+     * </pre>
+     *
+     * <code>optional string hostname = 3;</code>
+     */
+    boolean hasHostname();
+    /**
+     * <pre>
+     * Optional hostname.  Filled in for some exceptions such as region moved
+     * where exception gives clue on where the region may have moved.
+     * </pre>
+     *
+     * <code>optional string hostname = 3;</code>
+     */
+    java.lang.String getHostname();
+    /**
+     * <pre>
+     * Optional hostname.  Filled in for some exceptions such as region moved
+     * where exception gives clue on where the region may have moved.
+     * </pre>
+     *
+     * <code>optional string hostname = 3;</code>
+     */
+    org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getHostnameBytes();
+
+    /**
+     * <code>optional int32 port = 4;</code>
+     */
+    boolean hasPort();
+    /**
+     * <code>optional int32 port = 4;</code>
+     */
+    int getPort();
+
+    /**
+     * <pre>
+     * Set if we are NOT to retry on receipt of this exception
+     * </pre>
+     *
+     * <code>optional bool do_not_retry = 5;</code>
+     */
+    boolean hasDoNotRetry();
+    /**
+     * <pre>
+     * Set if we are NOT to retry on receipt of this exception
+     * </pre>
+     *
+     * <code>optional bool do_not_retry = 5;</code>
+     */
+    boolean getDoNotRetry();
+  }
+  /**
+   * <pre>
+   * At the RPC layer, this message is used to carry
+   * the server side exception to the RPC client.
+   * </pre>
+   *
+   * Protobuf type {@code hbase.pb.ExceptionResponse}
+   */
+  public  static final class ExceptionResponse extends
+      org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:hbase.pb.ExceptionResponse)
+      ExceptionResponseOrBuilder {
+    // Use ExceptionResponse.newBuilder() to construct.
+    private ExceptionResponse(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private ExceptionResponse() {
+      exceptionClassName_ = "";
+      stackTrace_ = "";
+      hostname_ = "";
+      port_ = 0;
+      doNotRetry_ = false;
+    }
+
+    @java.lang.Override
+    public final org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private ExceptionResponse(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream input,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      int mutable_bitField0_ = 0;
+      org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          org.apache.hadoop.hbase.shaded.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: {
+              org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000001;
+              exceptionClassName_ = bs;
+              break;
+            }
+            case 18: {
+              org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000002;
+              stackTrace_ = bs;
+              break;
+            }
+            case 26: {
+              org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000004;
+              hostname_ = bs;
+              break;
+            }
+            case 32: {
+              bitField0_ |= 0x00000008;
+              port_ = input.readInt32();
+              break;
+            }
+            case 40: {
+              bitField0_ |= 0x00000010;
+              doNotRetry_ = input.readBool();
+              break;
+            }
+          }
+        }
+      } catch (org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_ExceptionResponse_descriptor;
+    }
+
+    protected org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.internal_static_hbase_pb_ExceptionResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse.class, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse.Builder.class);
+    }
+
+    private int bitField0_;
+    public static final int EXCEPTION_CLASS_NAME_FIELD_NUMBER = 1;
+    private volatile java.lang.Object exceptionClassName_;
+    /**
+     * <pre>
+     * Class name of the exception thrown from the server
+     * </pre>
+     *
+     * <code>optional string exception_class_name = 1;</code>
+     */
+    public boolean hasExceptionClassName() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <pre>
+     * Class name of the exception thrown from the server
+     * </pre>
+     *
+     * <code>optional string exception_class_name = 1;</code>
+     */
+    public java.lang.String getExceptionClassName() {
+      java.lang.Object ref = exceptionClassName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = 
+            (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          exceptionClassName_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <pre>
+     * Class name of the exception thrown from the server
+     * </pre>
+     *
+     * <code>optional string exception_class_name = 1;</code>
+     */
+    public org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getExceptionClassNameBytes() {
+      java.lang.Object ref = exceptionClassName_;
+      if (ref instanceof java.lang.String) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString b = 
+            org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        exceptionClassName_ = b;
+        return b;
+      } else {
+        return (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int STACK_TRACE_FIELD_NUMBER = 2;
+    private volatile java.lang.Object stackTrace_;
+    /**
+     * <pre>
+     * Exception stack trace from the server side
+     * </pre>
+     *
+     * <code>optional string stack_trace = 2;</code>
+     */
+    public boolean hasStackTrace() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <pre>
+     * Exception stack trace from the server side
+     * </pre>
+     *
+     * <code>optional string stack_trace = 2;</code>
+     */
+    public java.lang.String getStackTrace() {
+      java.lang.Object ref = stackTrace_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = 
+            (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          stackTrace_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <pre>
+     * Exception stack trace from the server side
+     * </pre>
+     *
+     * <code>optional string stack_trace = 2;</code>
+     */
+    public org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getStackTraceBytes() {
+      java.lang.Object ref = stackTrace_;
+      if (ref instanceof java.lang.String) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString b = 
+            org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        stackTrace_ = b;
+        return b;
+      } else {
+        return (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int HOSTNAME_FIELD_NUMBER = 3;
+    private volatile java.lang.Object hostname_;
+    /**
+     * <pre>
+     * Optional hostname.  Filled in for some exceptions such as region moved
+     * where exception gives clue on where the region may have moved.
+     * </pre>
+     *
+     * <code>optional string hostname = 3;</code>
+     */
+    public boolean hasHostname() {
+      return ((bitField0_ & 0x00000004) == 0x00000004);
+    }
+    /**
+     * <pre>
+     * Optional hostname.  Filled in for some exceptions such as region moved
+     * where exception gives clue on where the region may have moved.
+     * </pre>
+     *
+     * <code>optional string hostname = 3;</code>
+     */
+    public java.lang.String getHostname() {
+      java.lang.Object ref = hostname_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString bs = 
+            (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          hostname_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <pre>
+     * Optional hostname.  Filled in for some exceptions such as region moved
+     * where exception gives clue on where the region may have moved.
+     * </pre>
+     *
+     * <code>optional string hostname = 3;</code>
+     */
+    public org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString
+        getHostnameBytes() {
+      java.lang.Object ref = hostname_;
+      if (ref instanceof java.lang.String) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString b = 
+            org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        hostname_ = b;
+        return b;
+      } else {
+        return (org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int PORT_FIELD_NUMBER = 4;
+    private int port_;
+    /**
+     * <code>optional int32 port = 4;</code>
+     */
+    public boolean hasPort() {
+      return ((bitField0_ & 0x00000008) == 0x00000008);
+    }
+    /**
+     * <code>optional int32 port = 4;</code>
+     */
+    public int getPort() {
+      return port_;
+    }
+
+    public static final int DO_NOT_RETRY_FIELD_NUMBER = 5;
+    private boolean doNotRetry_;
+    /**
+     * <pre>
+     * Set if we are NOT to retry on receipt of this exception
+     * </pre>
+     *
+     * <code>optional bool do_not_retry = 5;</code>
+     */
+    public boolean hasDoNotRetry() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <pre>
+     * Set if we are NOT to retry on receipt of this exception
+     * </pre>
+     *
+     * <code>optional bool do_not_retry = 5;</code>
+     */
+    public boolean getDoNotRetry() {
+      return doNotRetry_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.writeString(output, 1, exceptionClassName_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.writeString(output, 2, stackTrace_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.writeString(output, 3, hostname_);
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        output.writeInt32(4, port_);
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeBool(5, doNotRetry_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.computeStringSize(1, exceptionClassName_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.computeStringSize(2, stackTrace_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        size += org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.computeStringSize(3, hostname_);
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        size += org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
+          .computeInt32Size(4, port_);
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
+          .computeBoolSize(5, doNotRetry_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse)) {
+        return super.equals(obj);
+      }
+      org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse other = (org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse) obj;
+
+      boolean result = true;
+      result = result && (hasExceptionClassName() == other.hasExceptionClassName());
+      if (hasExceptionClassName()) {
+        result = result && getExceptionClassName()
+            .equals(other.getExceptionClassName());
+      }
+      result = result && (hasStackTrace() == other.hasStackTrace());
+      if (hasStackTrace()) {
+        result = result && getStackTrace()
+            .equals(other.getStackTrace());
+      }
+      result = result && (hasHostname() == other.hasHostname());
+      if (hasHostname()) {
+        result = result && getHostname()
+            .equals(other.getHostname());
+      }
+      result = result && (hasPort() == other.hasPort());
+      if (hasPort()) {
+        result = result && (getPort()
+            == other.getPort());
+      }
+      result = result && (hasDoNotRetry() == other.hasDoNotRetry());
+      if (hasDoNotRetry()) {
+        result = result && (getDoNotRetry()
+            == other.getDoNotRetry());
+      }
+      result = result && unknownFields.equals(other.unknownFields);
+      return result;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptorForType().hashCode();
+      if (hasExceptionClassName()) {
+        hash = (37 * hash) + EXCEPTION_CLASS_NAME_FIELD_NUMBER;
+        hash = (53 * hash) + getExceptionClassName().hashCode();
+      }
+      if (hasStackTrace()) {
+        hash = (37 * hash) + STACK_TRACE_FIELD_NUMBER;
+        hash = (53 * hash) + getStackTrace().hashCode();
+      }
+      if (hasHostname()) {
+        hash = (37 * hash) + HOSTNAME_FIELD_NUMBER;
+        hash = (53 * hash) + getHostname().hashCode();
+      }
+      if (hasPort()) {
+        hash = (37 * hash) + PORT_FIELD_NUMBER;
+        hash = (53 * hash) + getPort();
+      }
+      if (hasDoNotRetry()) {
+        hash = (37 * hash) + DO_NOT_RETRY_FIELD_NUMBER;
+        hash = (53 * hash) + org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashBoolean(
+            getDoNotRetry());
+      }
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse parseFrom(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse parseFrom(
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse parseFrom(byte[] data)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse parseFrom(
+        byte[] data,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse parseFrom(
+        java.io.InputStream input,
+        org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return org.apache.hadoop.hbase

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