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Posted to commits@hbase.apache.org by sy...@apache.org on 2016/07/23 23:03:46 UTC

[2/3] hbase git commit: HBASE-16008 A robust way deal with early termination of HBCK (Stephen Yuan Jiang)

http://git-wip-us.apache.org/repos/asf/hbase/blob/bdd7782f/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/MasterProtos.java
----------------------------------------------------------------------
diff --git a/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/MasterProtos.java b/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/MasterProtos.java
index 6daf889..c6477fa 100644
--- a/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/MasterProtos.java
+++ b/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/MasterProtos.java
@@ -26500,38 +26500,28 @@ public final class MasterProtos {
     // @@protoc_insertion_point(class_scope:hbase.pb.StopMasterResponse)
   }
 
-  public interface BalanceRequestOrBuilder
+  public interface IsInMaintenanceModeRequestOrBuilder
       extends com.google.protobuf.MessageOrBuilder {
-
-    // optional bool force = 1;
-    /**
-     * <code>optional bool force = 1;</code>
-     */
-    boolean hasForce();
-    /**
-     * <code>optional bool force = 1;</code>
-     */
-    boolean getForce();
   }
   /**
-   * Protobuf type {@code hbase.pb.BalanceRequest}
+   * Protobuf type {@code hbase.pb.IsInMaintenanceModeRequest}
    */
-  public static final class BalanceRequest extends
+  public static final class IsInMaintenanceModeRequest extends
       com.google.protobuf.GeneratedMessage
-      implements BalanceRequestOrBuilder {
-    // Use BalanceRequest.newBuilder() to construct.
-    private BalanceRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      implements IsInMaintenanceModeRequestOrBuilder {
+    // Use IsInMaintenanceModeRequest.newBuilder() to construct.
+    private IsInMaintenanceModeRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
       this.unknownFields = builder.getUnknownFields();
     }
-    private BalanceRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+    private IsInMaintenanceModeRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
 
-    private static final BalanceRequest defaultInstance;
-    public static BalanceRequest getDefaultInstance() {
+    private static final IsInMaintenanceModeRequest defaultInstance;
+    public static IsInMaintenanceModeRequest getDefaultInstance() {
       return defaultInstance;
     }
 
-    public BalanceRequest getDefaultInstanceForType() {
+    public IsInMaintenanceModeRequest getDefaultInstanceForType() {
       return defaultInstance;
     }
 
@@ -26541,12 +26531,11 @@ public final class MasterProtos {
         getUnknownFields() {
       return this.unknownFields;
     }
-    private BalanceRequest(
+    private IsInMaintenanceModeRequest(
         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 {
@@ -26564,11 +26553,6 @@ public final class MasterProtos {
               }
               break;
             }
-            case 8: {
-              bitField0_ |= 0x00000001;
-              force_ = input.readBool();
-              break;
-            }
           }
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -26583,50 +26567,32 @@ public final class MasterProtos {
     }
     public static final com.google.protobuf.Descriptors.Descriptor
         getDescriptor() {
-      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_descriptor;
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeRequest_descriptor;
     }
 
     protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_fieldAccessorTable
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.Builder.class);
+              org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest.Builder.class);
     }
 
-    public static com.google.protobuf.Parser<BalanceRequest> PARSER =
-        new com.google.protobuf.AbstractParser<BalanceRequest>() {
-      public BalanceRequest parsePartialFrom(
+    public static com.google.protobuf.Parser<IsInMaintenanceModeRequest> PARSER =
+        new com.google.protobuf.AbstractParser<IsInMaintenanceModeRequest>() {
+      public IsInMaintenanceModeRequest parsePartialFrom(
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws com.google.protobuf.InvalidProtocolBufferException {
-        return new BalanceRequest(input, extensionRegistry);
+        return new IsInMaintenanceModeRequest(input, extensionRegistry);
       }
     };
 
     @java.lang.Override
-    public com.google.protobuf.Parser<BalanceRequest> getParserForType() {
+    public com.google.protobuf.Parser<IsInMaintenanceModeRequest> getParserForType() {
       return PARSER;
     }
 
-    private int bitField0_;
-    // optional bool force = 1;
-    public static final int FORCE_FIELD_NUMBER = 1;
-    private boolean force_;
-    /**
-     * <code>optional bool force = 1;</code>
-     */
-    public boolean hasForce() {
-      return ((bitField0_ & 0x00000001) == 0x00000001);
-    }
-    /**
-     * <code>optional bool force = 1;</code>
-     */
-    public boolean getForce() {
-      return force_;
-    }
-
     private void initFields() {
-      force_ = false;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -26640,9 +26606,6 @@ public final class MasterProtos {
     public void writeTo(com.google.protobuf.CodedOutputStream output)
                         throws java.io.IOException {
       getSerializedSize();
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeBool(1, force_);
-      }
       getUnknownFields().writeTo(output);
     }
 
@@ -26652,10 +26615,6 @@ public final class MasterProtos {
       if (size != -1) return size;
 
       size = 0;
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeBoolSize(1, force_);
-      }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
       return size;
@@ -26673,17 +26632,12 @@ public final class MasterProtos {
       if (obj == this) {
        return true;
       }
-      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest)) {
+      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest)) {
         return super.equals(obj);
       }
-      org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest other = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest) obj;
+      org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest other = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest) obj;
 
       boolean result = true;
-      result = result && (hasForce() == other.hasForce());
-      if (hasForce()) {
-        result = result && (getForce()
-            == other.getForce());
-      }
       result = result &&
           getUnknownFields().equals(other.getUnknownFields());
       return result;
@@ -26697,62 +26651,58 @@ public final class MasterProtos {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptorForType().hashCode();
-      if (hasForce()) {
-        hash = (37 * hash) + FORCE_FIELD_NUMBER;
-        hash = (53 * hash) + hashBoolean(getForce());
-      }
       hash = (29 * hash) + getUnknownFields().hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest 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.protobuf.generated.MasterProtos.BalanceRequest parseFrom(byte[] data)
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parseFrom(
         byte[] data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(java.io.InputStream input)
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parseFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest 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.protobuf.generated.MasterProtos.BalanceRequest parseDelimitedFrom(java.io.InputStream input)
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parseDelimitedFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseDelimitedFrom(input);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseDelimitedFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest 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.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parseFrom(
         com.google.protobuf.CodedInputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
@@ -26761,7 +26711,7 @@ public final class MasterProtos {
 
     public static Builder newBuilder() { return Builder.create(); }
     public Builder newBuilderForType() { return newBuilder(); }
-    public static Builder newBuilder(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest prototype) {
+    public static Builder newBuilder(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest prototype) {
       return newBuilder().mergeFrom(prototype);
     }
     public Builder toBuilder() { return newBuilder(this); }
@@ -26773,24 +26723,24 @@ public final class MasterProtos {
       return builder;
     }
     /**
-     * Protobuf type {@code hbase.pb.BalanceRequest}
+     * Protobuf type {@code hbase.pb.IsInMaintenanceModeRequest}
      */
     public static final class Builder extends
         com.google.protobuf.GeneratedMessage.Builder<Builder>
-       implements org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequestOrBuilder {
+       implements org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequestOrBuilder {
       public static final com.google.protobuf.Descriptors.Descriptor
           getDescriptor() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_descriptor;
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeRequest_descriptor;
       }
 
       protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_fieldAccessorTable
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeRequest_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.Builder.class);
+                org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest.Builder.class);
       }
 
-      // Construct using org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.newBuilder()
+      // Construct using org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest.newBuilder()
       private Builder() {
         maybeForceBuilderInitialization();
       }
@@ -26810,8 +26760,6 @@ public final class MasterProtos {
 
       public Builder clear() {
         super.clear();
-        force_ = false;
-        bitField0_ = (bitField0_ & ~0x00000001);
         return this;
       }
 
@@ -26821,48 +26769,38 @@ public final class MasterProtos {
 
       public com.google.protobuf.Descriptors.Descriptor
           getDescriptorForType() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_descriptor;
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeRequest_descriptor;
       }
 
-      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest getDefaultInstanceForType() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.getDefaultInstance();
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest.getDefaultInstance();
       }
 
-      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest build() {
-        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest result = buildPartial();
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest build() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
         return result;
       }
 
-      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest buildPartial() {
-        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest result = new org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest(this);
-        int from_bitField0_ = bitField0_;
-        int to_bitField0_ = 0;
-        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
-          to_bitField0_ |= 0x00000001;
-        }
-        result.force_ = force_;
-        result.bitField0_ = to_bitField0_;
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest buildPartial() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest result = new org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest(this);
         onBuilt();
         return result;
       }
 
       public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest) {
-          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest)other);
+        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest) {
+          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest other) {
-        if (other == org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.getDefaultInstance()) return this;
-        if (other.hasForce()) {
-          setForce(other.getForce());
-        }
+      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest other) {
+        if (other == org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest.getDefaultInstance()) return this;
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
       }
@@ -26875,11 +26813,11 @@ public final class MasterProtos {
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parsedMessage = null;
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest parsedMessage = null;
         try {
           parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest) e.getUnfinishedMessage();
+          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest) e.getUnfinishedMessage();
           throw e;
         } finally {
           if (parsedMessage != null) {
@@ -26888,84 +26826,50 @@ public final class MasterProtos {
         }
         return this;
       }
-      private int bitField0_;
 
-      // optional bool force = 1;
-      private boolean force_ ;
-      /**
-       * <code>optional bool force = 1;</code>
-       */
-      public boolean hasForce() {
-        return ((bitField0_ & 0x00000001) == 0x00000001);
-      }
-      /**
-       * <code>optional bool force = 1;</code>
-       */
-      public boolean getForce() {
-        return force_;
-      }
-      /**
-       * <code>optional bool force = 1;</code>
-       */
-      public Builder setForce(boolean value) {
-        bitField0_ |= 0x00000001;
-        force_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>optional bool force = 1;</code>
-       */
-      public Builder clearForce() {
-        bitField0_ = (bitField0_ & ~0x00000001);
-        force_ = false;
-        onChanged();
-        return this;
-      }
-
-      // @@protoc_insertion_point(builder_scope:hbase.pb.BalanceRequest)
+      // @@protoc_insertion_point(builder_scope:hbase.pb.IsInMaintenanceModeRequest)
     }
 
     static {
-      defaultInstance = new BalanceRequest(true);
+      defaultInstance = new IsInMaintenanceModeRequest(true);
       defaultInstance.initFields();
     }
 
-    // @@protoc_insertion_point(class_scope:hbase.pb.BalanceRequest)
+    // @@protoc_insertion_point(class_scope:hbase.pb.IsInMaintenanceModeRequest)
   }
 
-  public interface BalanceResponseOrBuilder
+  public interface IsInMaintenanceModeResponseOrBuilder
       extends com.google.protobuf.MessageOrBuilder {
 
-    // required bool balancer_ran = 1;
+    // required bool inMaintenanceMode = 1;
     /**
-     * <code>required bool balancer_ran = 1;</code>
+     * <code>required bool inMaintenanceMode = 1;</code>
      */
-    boolean hasBalancerRan();
+    boolean hasInMaintenanceMode();
     /**
-     * <code>required bool balancer_ran = 1;</code>
+     * <code>required bool inMaintenanceMode = 1;</code>
      */
-    boolean getBalancerRan();
+    boolean getInMaintenanceMode();
   }
   /**
-   * Protobuf type {@code hbase.pb.BalanceResponse}
+   * Protobuf type {@code hbase.pb.IsInMaintenanceModeResponse}
    */
-  public static final class BalanceResponse extends
+  public static final class IsInMaintenanceModeResponse extends
       com.google.protobuf.GeneratedMessage
-      implements BalanceResponseOrBuilder {
-    // Use BalanceResponse.newBuilder() to construct.
-    private BalanceResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      implements IsInMaintenanceModeResponseOrBuilder {
+    // Use IsInMaintenanceModeResponse.newBuilder() to construct.
+    private IsInMaintenanceModeResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
       this.unknownFields = builder.getUnknownFields();
     }
-    private BalanceResponse(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+    private IsInMaintenanceModeResponse(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
 
-    private static final BalanceResponse defaultInstance;
-    public static BalanceResponse getDefaultInstance() {
+    private static final IsInMaintenanceModeResponse defaultInstance;
+    public static IsInMaintenanceModeResponse getDefaultInstance() {
       return defaultInstance;
     }
 
-    public BalanceResponse getDefaultInstanceForType() {
+    public IsInMaintenanceModeResponse getDefaultInstanceForType() {
       return defaultInstance;
     }
 
@@ -26975,7 +26879,7 @@ public final class MasterProtos {
         getUnknownFields() {
       return this.unknownFields;
     }
-    private BalanceResponse(
+    private IsInMaintenanceModeResponse(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
@@ -27000,7 +26904,7 @@ public final class MasterProtos {
             }
             case 8: {
               bitField0_ |= 0x00000001;
-              balancerRan_ = input.readBool();
+              inMaintenanceMode_ = input.readBool();
               break;
             }
           }
@@ -27017,57 +26921,57 @@ public final class MasterProtos {
     }
     public static final com.google.protobuf.Descriptors.Descriptor
         getDescriptor() {
-      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_descriptor;
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeResponse_descriptor;
     }
 
     protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_fieldAccessorTable
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.Builder.class);
+              org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse.Builder.class);
     }
 
-    public static com.google.protobuf.Parser<BalanceResponse> PARSER =
-        new com.google.protobuf.AbstractParser<BalanceResponse>() {
-      public BalanceResponse parsePartialFrom(
+    public static com.google.protobuf.Parser<IsInMaintenanceModeResponse> PARSER =
+        new com.google.protobuf.AbstractParser<IsInMaintenanceModeResponse>() {
+      public IsInMaintenanceModeResponse parsePartialFrom(
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws com.google.protobuf.InvalidProtocolBufferException {
-        return new BalanceResponse(input, extensionRegistry);
+        return new IsInMaintenanceModeResponse(input, extensionRegistry);
       }
     };
 
     @java.lang.Override
-    public com.google.protobuf.Parser<BalanceResponse> getParserForType() {
+    public com.google.protobuf.Parser<IsInMaintenanceModeResponse> getParserForType() {
       return PARSER;
     }
 
     private int bitField0_;
-    // required bool balancer_ran = 1;
-    public static final int BALANCER_RAN_FIELD_NUMBER = 1;
-    private boolean balancerRan_;
+    // required bool inMaintenanceMode = 1;
+    public static final int INMAINTENANCEMODE_FIELD_NUMBER = 1;
+    private boolean inMaintenanceMode_;
     /**
-     * <code>required bool balancer_ran = 1;</code>
+     * <code>required bool inMaintenanceMode = 1;</code>
      */
-    public boolean hasBalancerRan() {
+    public boolean hasInMaintenanceMode() {
       return ((bitField0_ & 0x00000001) == 0x00000001);
     }
     /**
-     * <code>required bool balancer_ran = 1;</code>
+     * <code>required bool inMaintenanceMode = 1;</code>
      */
-    public boolean getBalancerRan() {
-      return balancerRan_;
+    public boolean getInMaintenanceMode() {
+      return inMaintenanceMode_;
     }
 
     private void initFields() {
-      balancerRan_ = false;
+      inMaintenanceMode_ = false;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
       if (isInitialized != -1) return isInitialized == 1;
 
-      if (!hasBalancerRan()) {
+      if (!hasInMaintenanceMode()) {
         memoizedIsInitialized = 0;
         return false;
       }
@@ -27079,7 +26983,7 @@ public final class MasterProtos {
                         throws java.io.IOException {
       getSerializedSize();
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeBool(1, balancerRan_);
+        output.writeBool(1, inMaintenanceMode_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -27092,7 +26996,7 @@ public final class MasterProtos {
       size = 0;
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeBoolSize(1, balancerRan_);
+          .computeBoolSize(1, inMaintenanceMode_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
@@ -27111,16 +27015,16 @@ public final class MasterProtos {
       if (obj == this) {
        return true;
       }
-      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse)) {
+      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse)) {
         return super.equals(obj);
       }
-      org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse other = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse) obj;
+      org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse other = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse) obj;
 
       boolean result = true;
-      result = result && (hasBalancerRan() == other.hasBalancerRan());
-      if (hasBalancerRan()) {
-        result = result && (getBalancerRan()
-            == other.getBalancerRan());
+      result = result && (hasInMaintenanceMode() == other.hasInMaintenanceMode());
+      if (hasInMaintenanceMode()) {
+        result = result && (getInMaintenanceMode()
+            == other.getInMaintenanceMode());
       }
       result = result &&
           getUnknownFields().equals(other.getUnknownFields());
@@ -27135,62 +27039,62 @@ public final class MasterProtos {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptorForType().hashCode();
-      if (hasBalancerRan()) {
-        hash = (37 * hash) + BALANCER_RAN_FIELD_NUMBER;
-        hash = (53 * hash) + hashBoolean(getBalancerRan());
+      if (hasInMaintenanceMode()) {
+        hash = (37 * hash) + INMAINTENANCEMODE_FIELD_NUMBER;
+        hash = (53 * hash) + hashBoolean(getInMaintenanceMode());
       }
       hash = (29 * hash) + getUnknownFields().hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse 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.protobuf.generated.MasterProtos.BalanceResponse parseFrom(byte[] data)
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parseFrom(
         byte[] data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(java.io.InputStream input)
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parseFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse 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.protobuf.generated.MasterProtos.BalanceResponse parseDelimitedFrom(java.io.InputStream input)
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parseDelimitedFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseDelimitedFrom(input);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseDelimitedFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse 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.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parseFrom(
         com.google.protobuf.CodedInputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
@@ -27199,7 +27103,7 @@ public final class MasterProtos {
 
     public static Builder newBuilder() { return Builder.create(); }
     public Builder newBuilderForType() { return newBuilder(); }
-    public static Builder newBuilder(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse prototype) {
+    public static Builder newBuilder(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse prototype) {
       return newBuilder().mergeFrom(prototype);
     }
     public Builder toBuilder() { return newBuilder(this); }
@@ -27211,24 +27115,24 @@ public final class MasterProtos {
       return builder;
     }
     /**
-     * Protobuf type {@code hbase.pb.BalanceResponse}
+     * Protobuf type {@code hbase.pb.IsInMaintenanceModeResponse}
      */
     public static final class Builder extends
         com.google.protobuf.GeneratedMessage.Builder<Builder>
-       implements org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponseOrBuilder {
+       implements org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponseOrBuilder {
       public static final com.google.protobuf.Descriptors.Descriptor
           getDescriptor() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_descriptor;
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeResponse_descriptor;
       }
 
       protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_fieldAccessorTable
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeResponse_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.Builder.class);
+                org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse.Builder.class);
       }
 
-      // Construct using org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.newBuilder()
+      // Construct using org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse.newBuilder()
       private Builder() {
         maybeForceBuilderInitialization();
       }
@@ -27248,7 +27152,7 @@ public final class MasterProtos {
 
       public Builder clear() {
         super.clear();
-        balancerRan_ = false;
+        inMaintenanceMode_ = false;
         bitField0_ = (bitField0_ & ~0x00000001);
         return this;
       }
@@ -27259,54 +27163,54 @@ public final class MasterProtos {
 
       public com.google.protobuf.Descriptors.Descriptor
           getDescriptorForType() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_descriptor;
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_IsInMaintenanceModeResponse_descriptor;
       }
 
-      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse getDefaultInstanceForType() {
-        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.getDefaultInstance();
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse.getDefaultInstance();
       }
 
-      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse build() {
-        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse result = buildPartial();
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse build() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
         return result;
       }
 
-      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse buildPartial() {
-        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse result = new org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse(this);
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse buildPartial() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse result = new org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse(this);
         int from_bitField0_ = bitField0_;
         int to_bitField0_ = 0;
         if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
           to_bitField0_ |= 0x00000001;
         }
-        result.balancerRan_ = balancerRan_;
+        result.inMaintenanceMode_ = inMaintenanceMode_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
 
       public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse) {
-          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse)other);
+        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse) {
+          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse other) {
-        if (other == org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.getDefaultInstance()) return this;
-        if (other.hasBalancerRan()) {
-          setBalancerRan(other.getBalancerRan());
+      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse other) {
+        if (other == org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse.getDefaultInstance()) return this;
+        if (other.hasInMaintenanceMode()) {
+          setInMaintenanceMode(other.getInMaintenanceMode());
         }
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
       }
 
       public final boolean isInitialized() {
-        if (!hasBalancerRan()) {
+        if (!hasInMaintenanceMode()) {
           
           return false;
         }
@@ -27317,11 +27221,11 @@ public final class MasterProtos {
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parsedMessage = null;
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse parsedMessage = null;
         try {
           parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse) e.getUnfinishedMessage();
+          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse) e.getUnfinishedMessage();
           throw e;
         } finally {
           if (parsedMessage != null) {
@@ -27332,92 +27236,82 @@ public final class MasterProtos {
       }
       private int bitField0_;
 
-      // required bool balancer_ran = 1;
-      private boolean balancerRan_ ;
+      // required bool inMaintenanceMode = 1;
+      private boolean inMaintenanceMode_ ;
       /**
-       * <code>required bool balancer_ran = 1;</code>
+       * <code>required bool inMaintenanceMode = 1;</code>
        */
-      public boolean hasBalancerRan() {
+      public boolean hasInMaintenanceMode() {
         return ((bitField0_ & 0x00000001) == 0x00000001);
       }
       /**
-       * <code>required bool balancer_ran = 1;</code>
+       * <code>required bool inMaintenanceMode = 1;</code>
        */
-      public boolean getBalancerRan() {
-        return balancerRan_;
+      public boolean getInMaintenanceMode() {
+        return inMaintenanceMode_;
       }
       /**
-       * <code>required bool balancer_ran = 1;</code>
+       * <code>required bool inMaintenanceMode = 1;</code>
        */
-      public Builder setBalancerRan(boolean value) {
+      public Builder setInMaintenanceMode(boolean value) {
         bitField0_ |= 0x00000001;
-        balancerRan_ = value;
+        inMaintenanceMode_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required bool balancer_ran = 1;</code>
+       * <code>required bool inMaintenanceMode = 1;</code>
        */
-      public Builder clearBalancerRan() {
+      public Builder clearInMaintenanceMode() {
         bitField0_ = (bitField0_ & ~0x00000001);
-        balancerRan_ = false;
+        inMaintenanceMode_ = false;
         onChanged();
         return this;
       }
 
-      // @@protoc_insertion_point(builder_scope:hbase.pb.BalanceResponse)
+      // @@protoc_insertion_point(builder_scope:hbase.pb.IsInMaintenanceModeResponse)
     }
 
     static {
-      defaultInstance = new BalanceResponse(true);
+      defaultInstance = new IsInMaintenanceModeResponse(true);
       defaultInstance.initFields();
     }
 
-    // @@protoc_insertion_point(class_scope:hbase.pb.BalanceResponse)
+    // @@protoc_insertion_point(class_scope:hbase.pb.IsInMaintenanceModeResponse)
   }
 
-  public interface SetBalancerRunningRequestOrBuilder
+  public interface BalanceRequestOrBuilder
       extends com.google.protobuf.MessageOrBuilder {
 
-    // required bool on = 1;
-    /**
-     * <code>required bool on = 1;</code>
-     */
-    boolean hasOn();
-    /**
-     * <code>required bool on = 1;</code>
-     */
-    boolean getOn();
-
-    // optional bool synchronous = 2;
+    // optional bool force = 1;
     /**
-     * <code>optional bool synchronous = 2;</code>
+     * <code>optional bool force = 1;</code>
      */
-    boolean hasSynchronous();
+    boolean hasForce();
     /**
-     * <code>optional bool synchronous = 2;</code>
+     * <code>optional bool force = 1;</code>
      */
-    boolean getSynchronous();
+    boolean getForce();
   }
   /**
-   * Protobuf type {@code hbase.pb.SetBalancerRunningRequest}
+   * Protobuf type {@code hbase.pb.BalanceRequest}
    */
-  public static final class SetBalancerRunningRequest extends
+  public static final class BalanceRequest extends
       com.google.protobuf.GeneratedMessage
-      implements SetBalancerRunningRequestOrBuilder {
-    // Use SetBalancerRunningRequest.newBuilder() to construct.
-    private SetBalancerRunningRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      implements BalanceRequestOrBuilder {
+    // Use BalanceRequest.newBuilder() to construct.
+    private BalanceRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
       this.unknownFields = builder.getUnknownFields();
     }
-    private SetBalancerRunningRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+    private BalanceRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
 
-    private static final SetBalancerRunningRequest defaultInstance;
-    public static SetBalancerRunningRequest getDefaultInstance() {
+    private static final BalanceRequest defaultInstance;
+    public static BalanceRequest getDefaultInstance() {
       return defaultInstance;
     }
 
-    public SetBalancerRunningRequest getDefaultInstanceForType() {
+    public BalanceRequest getDefaultInstanceForType() {
       return defaultInstance;
     }
 
@@ -27427,7 +27321,893 @@ public final class MasterProtos {
         getUnknownFields() {
       return this.unknownFields;
     }
-    private SetBalancerRunningRequest(
+    private BalanceRequest(
+        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;
+              force_ = 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.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<BalanceRequest> PARSER =
+        new com.google.protobuf.AbstractParser<BalanceRequest>() {
+      public BalanceRequest parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new BalanceRequest(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<BalanceRequest> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // optional bool force = 1;
+    public static final int FORCE_FIELD_NUMBER = 1;
+    private boolean force_;
+    /**
+     * <code>optional bool force = 1;</code>
+     */
+    public boolean hasForce() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>optional bool force = 1;</code>
+     */
+    public boolean getForce() {
+      return force_;
+    }
+
+    private void initFields() {
+      force_ = 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.writeBool(1, force_);
+      }
+      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
+          .computeBoolSize(1, force_);
+      }
+      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();
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest)) {
+        return super.equals(obj);
+      }
+      org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest other = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest) obj;
+
+      boolean result = true;
+      result = result && (hasForce() == other.hasForce());
+      if (hasForce()) {
+        result = result && (getForce()
+            == other.getForce());
+      }
+      result = result &&
+          getUnknownFields().equals(other.getUnknownFields());
+      return result;
+    }
+
+    private int memoizedHashCode = 0;
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptorForType().hashCode();
+      if (hasForce()) {
+        hash = (37 * hash) + FORCE_FIELD_NUMBER;
+        hash = (53 * hash) + hashBoolean(getForce());
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest 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.protobuf.generated.MasterProtos.BalanceRequest parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest 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.protobuf.generated.MasterProtos.BalanceRequest parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest 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.protobuf.generated.MasterProtos.BalanceRequest parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest 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.protobuf.generated.MasterProtos.BalanceRequest 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 hbase.pb.BalanceRequest}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequestOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.Builder.class);
+      }
+
+      // Construct using org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.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();
+        force_ = false;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceRequest_descriptor;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.getDefaultInstance();
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest build() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest buildPartial() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest result = new org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.force_ = force_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest) {
+          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest other) {
+        if (other == org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest.getDefaultInstance()) return this;
+        if (other.hasForce()) {
+          setForce(other.getForce());
+        }
+        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.protobuf.generated.MasterProtos.BalanceRequest parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      // optional bool force = 1;
+      private boolean force_ ;
+      /**
+       * <code>optional bool force = 1;</code>
+       */
+      public boolean hasForce() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>optional bool force = 1;</code>
+       */
+      public boolean getForce() {
+        return force_;
+      }
+      /**
+       * <code>optional bool force = 1;</code>
+       */
+      public Builder setForce(boolean value) {
+        bitField0_ |= 0x00000001;
+        force_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bool force = 1;</code>
+       */
+      public Builder clearForce() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        force_ = false;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:hbase.pb.BalanceRequest)
+    }
+
+    static {
+      defaultInstance = new BalanceRequest(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:hbase.pb.BalanceRequest)
+  }
+
+  public interface BalanceResponseOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+
+    // required bool balancer_ran = 1;
+    /**
+     * <code>required bool balancer_ran = 1;</code>
+     */
+    boolean hasBalancerRan();
+    /**
+     * <code>required bool balancer_ran = 1;</code>
+     */
+    boolean getBalancerRan();
+  }
+  /**
+   * Protobuf type {@code hbase.pb.BalanceResponse}
+   */
+  public static final class BalanceResponse extends
+      com.google.protobuf.GeneratedMessage
+      implements BalanceResponseOrBuilder {
+    // Use BalanceResponse.newBuilder() to construct.
+    private BalanceResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private BalanceResponse(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final BalanceResponse defaultInstance;
+    public static BalanceResponse getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public BalanceResponse getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private BalanceResponse(
+        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;
+              balancerRan_ = 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.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<BalanceResponse> PARSER =
+        new com.google.protobuf.AbstractParser<BalanceResponse>() {
+      public BalanceResponse parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new BalanceResponse(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<BalanceResponse> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // required bool balancer_ran = 1;
+    public static final int BALANCER_RAN_FIELD_NUMBER = 1;
+    private boolean balancerRan_;
+    /**
+     * <code>required bool balancer_ran = 1;</code>
+     */
+    public boolean hasBalancerRan() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required bool balancer_ran = 1;</code>
+     */
+    public boolean getBalancerRan() {
+      return balancerRan_;
+    }
+
+    private void initFields() {
+      balancerRan_ = false;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      if (!hasBalancerRan()) {
+        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.writeBool(1, balancerRan_);
+      }
+      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
+          .computeBoolSize(1, balancerRan_);
+      }
+      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();
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse)) {
+        return super.equals(obj);
+      }
+      org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse other = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse) obj;
+
+      boolean result = true;
+      result = result && (hasBalancerRan() == other.hasBalancerRan());
+      if (hasBalancerRan()) {
+        result = result && (getBalancerRan()
+            == other.getBalancerRan());
+      }
+      result = result &&
+          getUnknownFields().equals(other.getUnknownFields());
+      return result;
+    }
+
+    private int memoizedHashCode = 0;
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptorForType().hashCode();
+      if (hasBalancerRan()) {
+        hash = (37 * hash) + BALANCER_RAN_FIELD_NUMBER;
+        hash = (53 * hash) + hashBoolean(getBalancerRan());
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse 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.protobuf.generated.MasterProtos.BalanceResponse parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse 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.protobuf.generated.MasterProtos.BalanceResponse parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse 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.protobuf.generated.MasterProtos.BalanceResponse parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse 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.protobuf.generated.MasterProtos.BalanceResponse 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 hbase.pb.BalanceResponse}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponseOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.class, org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.Builder.class);
+      }
+
+      // Construct using org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.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();
+        balancerRan_ = false;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_BalanceResponse_descriptor;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.getDefaultInstance();
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse build() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse buildPartial() {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse result = new org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.balancerRan_ = balancerRan_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse) {
+          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse other) {
+        if (other == org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse.getDefaultInstance()) return this;
+        if (other.hasBalancerRan()) {
+          setBalancerRan(other.getBalancerRan());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasBalancerRan()) {
+          
+          return false;
+        }
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceResponse) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      // required bool balancer_ran = 1;
+      private boolean balancerRan_ ;
+      /**
+       * <code>required bool balancer_ran = 1;</code>
+       */
+      public boolean hasBalancerRan() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>required bool balancer_ran = 1;</code>
+       */
+      public boolean getBalancerRan() {
+        return balancerRan_;
+      }
+      /**
+       * <code>required bool balancer_ran = 1;</code>
+       */
+      public Builder setBalancerRan(boolean value) {
+        bitField0_ |= 0x00000001;
+        balancerRan_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required bool balancer_ran = 1;</code>
+       */
+      public Builder clearBalancerRan() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        balancerRan_ = false;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:hbase.pb.BalanceResponse)
+    }
+
+    static {
+      defaultInstance = new BalanceResponse(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:hbase.pb.BalanceResponse)
+  }
+
+  public interface SetBalancerRunningRequestOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+
+    // required bool on = 1;
+    /**
+     * <code>required bool on = 1;</code>
+     */
+    boolean hasOn();
+    /**
+     * <code>required bool on = 1;</code>
+     */
+    boolean getOn();
+
+    // optional bool synchronous = 2;
+    /**
+     * <code>optional bool synchronous = 2;</code>
+     */
+    boolean hasSynchronous();
+    /**
+     * <code>optional bool synchronous = 2;</code>
+     */
+    boolean getSynchronous();
+  }
+  /**
+   * Protobuf type {@code hbase.pb.SetBalancerRunningRequest}
+   */
+  public static final class SetBalancerRunningRequest extends
+      com.google.protobuf.GeneratedMessage
+      implements SetBalancerRunningRequestOrBuilder {
+    // Use SetBalancerRunningRequest.newBuilder() to construct.
+    private SetBalancerRunningRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private SetBalancerRunningRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final SetBalancerRunningRequest defaultInstance;
+    public static SetBalancerRunningRequest getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public SetBalancerRunningRequest getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private SetBalancerRunningRequest(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
@@ -60044,6 +60824,19 @@ public final class MasterProtos {
           com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.StopMasterResponse> done);
 
       /**
+       * <code>rpc IsMasterInMaintenanceMode(.hbase.pb.IsInMaintenanceModeRequest) returns (.hbase.pb.IsInMaintenanceModeResponse);</code>
+       *
+       * <pre>
+       **
+       * Query whether the Master is in maintenance mode.
+       * </pre>
+       */
+      public abstract void isMasterInMaintenanceMode(
+          com.google.protobuf.RpcController controller,
+          org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest request,
+          com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse> done);
+
+      /**
        * <code>rpc Balance(.hbase.pb.BalanceRequest) returns (.hbase.pb.BalanceResponse);</code>
        *
        * <pre>
@@ -60657,6 +61450,14 @@ public final class MasterProtos {
         }
 
         @java.lang.Override
+        public  void isMasterInMaintenanceMode(
+            com.google.protobuf.RpcController controller,
+            org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest request,
+            com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse> done) {
+          impl.isMasterInMaintenanceMode(controller, request, done);
+        }
+
+        @java.lang.Override
         public  void balance(
             com.google.protobuf.RpcController controller,
             org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest request,
@@ -61001,74 +61802,76 @@ public final class MasterProtos {
             case 20:
               return impl.stopMaster(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.StopMasterRequest)request);
             case 21:
-              return impl.balance(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest)request);
+              return impl.isMasterInMaintenanceMode(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest)request);
             case 22:
-              return impl.setBalancerRunning(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SetBalancerRunningRequest)request);
+              return impl.balance(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.BalanceRequest)request);
             case 23:
-              return impl.isBalancerEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsBalancerEnabledRequest)request);
+              return impl.setBalancerRunning(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SetBalancerRunningRequest)request);
             case 24:
-              return impl.setSplitOrMergeEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SetSplitOrMergeEnabledRequest)request);
+              return impl.isBalancerEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsBalancerEnabledRequest)request);
             case 25:
-              return impl.isSplitOrMergeEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsSplitOrMergeEnabledRequest)request);
+              return impl.setSplitOrMergeEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SetSplitOrMergeEnabledRequest)request);
             case 26:
-              return impl.normalize(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.NormalizeRequest)request);
+              return impl.isSplitOrMergeEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsSplitOrMergeEnabledRequest)request);
             case 27:
-              return impl.setNormalizerRunning(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SetNormalizerRunningRequest)request);
+              return impl.normalize(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.NormalizeRequest)request);
             case 28:
-              return impl.isNormalizerEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsNormalizerEnabledRequest)request);
+              return impl.setNormalizerRunning(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SetNormalizerRunningRequest)request);
             case 29:
-              return impl.runCatalogScan(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.RunCatalogScanRequest)request);
+              return impl.isNormalizerEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsNormalizerEnabledRequest)request);
             case 30:
-              return impl.enableCatalogJanitor(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.EnableCatalogJanitorRequest)request);
+              return impl.runCatalogScan(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.RunCatalogScanRequest)request);
             case 31:
-              return impl.isCatalogJanitorEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsCatalogJanitorEnabledRequest)request);
+              return impl.enableCatalogJanitor(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.EnableCatalogJanitorRequest)request);
             case 32:
-              return impl.execMasterService(controller, (org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceRequest)request);
+              return impl.isCatalogJanitorEnabled(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsCatalogJanitorEnabledRequest)request);
             case 33:
-              return impl.snapshot(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SnapshotRequest)request);
+              return impl.execMasterService(controller, (org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceRequest)request);
             case 34:
-              return impl.getCompletedSnapshots(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetCompletedSnapshotsRequest)request);
+              return impl.snapshot(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SnapshotRequest)request);
             case 35:
-              return impl.deleteSnapshot(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.DeleteSnapshotRequest)request);
+              return impl.getCompletedSnapshots(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetCompletedSnapshotsRequest)request);
             case 36:
-              return impl.isSnapshotDone(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsSnapshotDoneRequest)request);
+              return impl.deleteSnapshot(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.DeleteSnapshotRequest)request);
             case 37:
-              return impl.restoreSnapshot(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.RestoreSnapshotRequest)request);
+              return impl.isSnapshotDone(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsSnapshotDoneRequest)request);
             case 38:
-              return impl.execProcedure(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.ExecProcedureRequest)request);
+              return impl.restoreSnapshot(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.RestoreSnapshotRequest)request);
             case 39:
-              return impl.execProcedureWithRet(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.ExecProcedureRequest)request);
+              return impl.execProcedure(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.ExecProcedureRequest)request);
             case 40:
-              return impl.isProcedureDone(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsProcedureDoneRequest)request);
+              return

<TRUNCATED>