HBASE-14108 Procedure V2 - Administrative Task: provide an API to abort a 
procedure (Stephen Yuan Jiang)


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/90b8a3c8
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/90b8a3c8
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/90b8a3c8

Branch: refs/heads/branch-1
Commit: 90b8a3c894e211a8b0e5236f1872fc1576a455b2
Parents: a2dab02
Author: Stephen Yuan Jiang <syuanjiang...@gmail.com>
Authored: Thu Sep 3 07:01:30 2015 -0700
Committer: Stephen Yuan Jiang <syuanjiang...@gmail.com>
Committed: Thu Sep 3 07:01:30 2015 -0700

----------------------------------------------------------------------
 .../org/apache/hadoop/hbase/client/Admin.java   |   28 +
 .../hadoop/hbase/client/ConnectionManager.java  |    7 +
 .../apache/hadoop/hbase/client/HBaseAdmin.java  |  115 +-
 .../hbase/procedure2/ProcedureExecutor.java     |   17 +-
 .../hbase/procedure2/TestProcedureRecovery.java |    3 -
 .../hbase/protobuf/generated/MasterProtos.java  | 1359 ++++++++++++++++--
 hbase-protocol/src/main/protobuf/Master.proto   |   25 +-
 .../org/apache/hadoop/hbase/master/HMaster.java |    7 +-
 .../hadoop/hbase/master/MasterRpcServices.java  |   13 +
 .../hadoop/hbase/master/MasterServices.java     |    8 +
 .../apache/hadoop/hbase/client/TestAdmin2.java  |   11 +
 .../hadoop/hbase/master/TestCatalogJanitor.java |    5 +
 .../master/procedure/TestProcedureAdmin.java    |  186 +++
 13 files changed, 1631 insertions(+), 153 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
----------------------------------------------------------------------
diff --git 
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java 
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
index 8ea3e80..f73c9f9 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
@@ -22,6 +22,7 @@ import java.io.Closeable;
 import java.io.IOException;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.Future;
 import java.util.regex.Pattern;
 
 import org.apache.hadoop.conf.Configuration;
@@ -934,6 +935,33 @@ public interface Admin extends Abortable, Closeable {
     throws IOException;
 
   /**
+   * abort a procedure
+   * @param procId ID of the procedure to abort
+   * @param mayInterruptIfRunning if the proc completed at least one step, 
should it be aborted?
+   * @return true if aborted, false if procedure already completed or does not 
exist
+   * @throws IOException
+   */
+  boolean abortProcedure(
+      final long procId,
+      final boolean mayInterruptIfRunning) throws IOException;
+
+  /**
+   * Abort a procedure but does not block and wait for it be completely 
removed.
+   * You can use Future.get(long, TimeUnit) to wait on the operation to 
complete.
+   * It may throw ExecutionException if there was an error while executing the 
operation
+   * or TimeoutException in case the wait timeout was not long enough to allow 
the
+   * operation to complete.
+   *
+   * @param procId ID of the procedure to abort
+   * @param mayInterruptIfRunning if the proc completed at least one step, 
should it be aborted?
+   * @return true if aborted, false if procedure already completed or does not 
exist
+   * @throws IOException
+   */
+  Future<Boolean> abortProcedureAsync(
+    final long procId,
+    final boolean mayInterruptIfRunning) throws IOException;
+
+  /**
    * Roll the log writer. I.e. for filesystem based write ahead logs, start 
writing to a new file.
    *
    * Note that the actual rolling of the log writer is asynchronous and may 
not be complete when

http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionManager.java
----------------------------------------------------------------------
diff --git 
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionManager.java
 
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionManager.java
index 1dbb4f5..8e1e366 100644
--- 
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionManager.java
+++ 
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionManager.java
@@ -79,6 +79,7 @@ import 
org.apache.hadoop.hbase.protobuf.generated.AdminProtos.AdminService;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ClientService;
 import 
org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceRequest;
 import 
org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceResponse;
+import org.apache.hadoop.hbase.protobuf.generated.*;
 import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AddColumnRequest;
 import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AddColumnResponse;
 import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AssignRegionRequest;
@@ -1719,6 +1720,12 @@ class ConnectionManager {
       return new MasterKeepAliveConnection() {
         MasterServiceState mss = masterServiceState;
         @Override
+        public MasterProtos.AbortProcedureResponse abortProcedure(
+          RpcController controller,
+          MasterProtos.AbortProcedureRequest request) throws ServiceException {
+          return stub.abortProcedure(controller, request);
+        }
+        @Override
         public AddColumnResponse addColumn(RpcController controller, 
AddColumnRequest request)
         throws ServiceException {
           return stub.addColumn(controller, request);

http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
----------------------------------------------------------------------
diff --git 
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java 
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
index 5416386..d74a8bc 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
@@ -92,6 +92,8 @@ import 
org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.ProcedureDescripti
 import 
org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.RegionSpecifier.RegionSpecifierType;
 import 
org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
 import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.TableSchema;
+import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest;
+import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse;
 import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AddColumnRequest;
 import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AssignRegionRequest;
 import 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.CreateNamespaceRequest;
@@ -282,6 +284,86 @@ public class HBaseAdmin implements Admin {
     return this.aborted;
   }
 
+  /**
+   * Abort a procedure
+   * @param procId ID of the procedure to abort
+   * @param mayInterruptIfRunning if the proc completed at least one step, 
should it be aborted?
+   * @return true if aborted, false if procedure already completed or does not 
exist
+   * @throws IOException
+   */
+  @Override
+  public boolean abortProcedure(
+      final long procId,
+      final boolean mayInterruptIfRunning) throws IOException {
+    Future<Boolean> future = abortProcedureAsync(procId, 
mayInterruptIfRunning);
+    try {
+      return future.get(syncWaitTimeout, TimeUnit.MILLISECONDS);
+    } catch (InterruptedException e) {
+      throw new InterruptedIOException("Interrupted when waiting for procedure 
to be cancelled");
+    } catch (TimeoutException e) {
+      throw new TimeoutIOException(e);
+    } catch (ExecutionException e) {
+      if (e.getCause() instanceof IOException) {
+        throw (IOException)e.getCause();
+      } else {
+        throw new IOException(e.getCause());
+      }
+    }
+  }
+
+  /**
+   * Abort a procedure but does not block and wait for it be completely 
removed.
+   * You can use Future.get(long, TimeUnit) to wait on the operation to 
complete.
+   * It may throw ExecutionException if there was an error while executing the 
operation
+   * or TimeoutException in case the wait timeout was not long enough to allow 
the
+   * operation to complete.
+   *
+   * @param procId ID of the procedure to abort
+   * @param mayInterruptIfRunning if the proc completed at least one step, 
should it be aborted?
+   * @return true if aborted, false if procedure already completed or does not 
exist
+   * @throws IOException
+   */
+  @Override
+  public Future<Boolean> abortProcedureAsync(
+    final long procId,
+    final boolean mayInterruptIfRunning) throws IOException {
+    Boolean abortProcResponse = executeCallable(
+      new MasterCallable<AbortProcedureResponse>(getConnection()) {
+    @Override
+    public AbortProcedureResponse call(int callTimeout) throws 
ServiceException {
+      AbortProcedureRequest abortProcRequest =
+          AbortProcedureRequest.newBuilder().setProcId(procId).build();
+      return master.abortProcedure(null,abortProcRequest);
+      }
+    }).getIsProcedureAborted();
+
+    AbortProcedureFuture abortProcFuture =
+        new AbortProcedureFuture(this, procId, abortProcResponse);
+    return abortProcFuture;
+  }
+
+  private static class AbortProcedureFuture extends ProcedureFuture<Boolean> {
+    private boolean isAbortInProgress;
+
+    public AbortProcedureFuture(
+        final HBaseAdmin admin,
+        final Long procId,
+        final Boolean abortProcResponse) {
+      super(admin, procId);
+      this.isAbortInProgress = abortProcResponse;
+    }
+
+    @Override
+    public Boolean get(long timeout, TimeUnit unit)
+        throws InterruptedException, ExecutionException, TimeoutException {
+      if (!this.isAbortInProgress) {
+        return false;
+      }
+      super.get(timeout, unit);
+      return true;
+    }
+  }
+
   /** @return HConnection used by this object. */
   @Override
   public HConnection getConnection() {
@@ -4169,6 +4251,7 @@ public class HBaseAdmin implements Admin {
     private ExecutionException exception = null;
     private boolean procResultFound = false;
     private boolean done = false;
+    private boolean cancelled = false;
     private V result = null;
 
     private final HBaseAdmin admin;
@@ -4181,13 +4264,39 @@ public class HBaseAdmin implements Admin {
 
     @Override
     public boolean cancel(boolean mayInterruptIfRunning) {
-      throw new UnsupportedOperationException();
+      AbortProcedureRequest abortProcRequest = 
AbortProcedureRequest.newBuilder()
+          
.setProcId(procId).setMayInterruptIfRunning(mayInterruptIfRunning).build();
+      try {
+        cancelled = 
abortProcedureResult(abortProcRequest).getIsProcedureAborted();
+        if (cancelled) {
+          done = true;
+        }
+      } catch (IOException e) {
+        // Cancell thrown exception for some reason. At this time, we are not 
sure whether
+        // the cancell succeeds or fails. We assume that it is failed, but 
print out a warning
+        // for debugging purpose.
+        LOG.warn(
+          "Cancelling the procedure with procId=" + procId + " throws 
exception " + e.getMessage(),
+          e);
+        cancelled = false;
+      }
+      return cancelled;
     }
 
     @Override
     public boolean isCancelled() {
-      // TODO: Abort not implemented yet
-      return false;
+      return cancelled;
+    }
+
+    protected AbortProcedureResponse abortProcedureResult(
+        final AbortProcedureRequest request) throws IOException {
+      return admin.executeCallable(new MasterCallable<AbortProcedureResponse>(
+          admin.getConnection()) {
+        @Override
+        public AbortProcedureResponse call(int callTimeout) throws 
ServiceException {
+          return master.abortProcedure(null, request);
+        }
+      });
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java
----------------------------------------------------------------------
diff --git 
a/hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java
 
b/hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java
index b7403ec..1a098e5 100644
--- 
a/hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java
+++ 
b/hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java
@@ -696,9 +696,24 @@ public class ProcedureExecutor<TEnvironment> {
    * @return true if the procedure exist and has received the abort, otherwise 
false.
    */
   public boolean abort(final long procId) {
+    return abort(procId, true);
+  }
+
+  /**
+   * Send an abort notification the specified procedure.
+   * Depending on the procedure implementation the abort can be considered or 
ignored.
+   * @param procId the procedure to abort
+   * @param mayInterruptIfRunning if the proc completed at least one step, 
should it be aborted?
+   * @return true if the procedure exist and has received the abort, otherwise 
false.
+   */
+  public boolean abort(final long procId, final boolean mayInterruptIfRunning) 
{
     Procedure proc = procedures.get(procId);
     if (proc != null) {
-      return proc.abort(getEnvironment());
+      if (!mayInterruptIfRunning && proc.wasExecuted()) {
+        return false;
+      } else {
+        return proc.abort(getEnvironment());
+      }
     }
     return false;
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestProcedureRecovery.java
----------------------------------------------------------------------
diff --git 
a/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestProcedureRecovery.java
 
b/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestProcedureRecovery.java
index 74e4675..625357a 100644
--- 
a/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestProcedureRecovery.java
+++ 
b/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestProcedureRecovery.java
@@ -37,21 +37,18 @@ import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.Threads;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Assert;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 @Category(SmallTests.class)
 public class TestProcedureRecovery {
   private static final Log LOG = 
LogFactory.getLog(TestProcedureRecovery.class);
 
   private static final int PROCEDURE_EXECUTOR_SLOTS = 1;
-  private static final Procedure NULL_PROC = null;
 
   private static TestProcEnv procEnv;
   private static ProcedureExecutor<TestProcEnv> procExecutor;

http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/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 21b9c8e..48dd957 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
@@ -46353,6 +46353,980 @@ public final class MasterProtos {
     // 
@@protoc_insertion_point(class_scope:hbase.pb.GetProcedureResultResponse)
   }
 
+  public interface AbortProcedureRequestOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+
+    // required uint64 proc_id = 1;
+    /**
+     * <code>required uint64 proc_id = 1;</code>
+     */
+    boolean hasProcId();
+    /**
+     * <code>required uint64 proc_id = 1;</code>
+     */
+    long getProcId();
+
+    // optional bool mayInterruptIfRunning = 2 [default = true];
+    /**
+     * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+     */
+    boolean hasMayInterruptIfRunning();
+    /**
+     * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+     */
+    boolean getMayInterruptIfRunning();
+  }
+  /**
+   * Protobuf type {@code hbase.pb.AbortProcedureRequest}
+   */
+  public static final class AbortProcedureRequest extends
+      com.google.protobuf.GeneratedMessage
+      implements AbortProcedureRequestOrBuilder {
+    // Use AbortProcedureRequest.newBuilder() to construct.
+    private 
AbortProcedureRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private AbortProcedureRequest(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final AbortProcedureRequest defaultInstance;
+    public static AbortProcedureRequest getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public AbortProcedureRequest getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private AbortProcedureRequest(
+        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;
+              procId_ = input.readUInt64();
+              break;
+            }
+            case 16: {
+              bitField0_ |= 0x00000002;
+              mayInterruptIfRunning_ = 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_AbortProcedureRequest_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_AbortProcedureRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.class,
 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<AbortProcedureRequest> PARSER =
+        new com.google.protobuf.AbstractParser<AbortProcedureRequest>() {
+      public AbortProcedureRequest parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new AbortProcedureRequest(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<AbortProcedureRequest> 
getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // required uint64 proc_id = 1;
+    public static final int PROC_ID_FIELD_NUMBER = 1;
+    private long procId_;
+    /**
+     * <code>required uint64 proc_id = 1;</code>
+     */
+    public boolean hasProcId() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required uint64 proc_id = 1;</code>
+     */
+    public long getProcId() {
+      return procId_;
+    }
+
+    // optional bool mayInterruptIfRunning = 2 [default = true];
+    public static final int MAYINTERRUPTIFRUNNING_FIELD_NUMBER = 2;
+    private boolean mayInterruptIfRunning_;
+    /**
+     * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+     */
+    public boolean hasMayInterruptIfRunning() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+     */
+    public boolean getMayInterruptIfRunning() {
+      return mayInterruptIfRunning_;
+    }
+
+    private void initFields() {
+      procId_ = 0L;
+      mayInterruptIfRunning_ = true;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      if (!hasProcId()) {
+        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.writeUInt64(1, procId_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeBool(2, mayInterruptIfRunning_);
+      }
+      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
+          .computeUInt64Size(1, procId_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(2, mayInterruptIfRunning_);
+      }
+      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.AbortProcedureRequest)) 
{
+        return super.equals(obj);
+      }
+      
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
other = 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest) 
obj;
+
+      boolean result = true;
+      result = result && (hasProcId() == other.hasProcId());
+      if (hasProcId()) {
+        result = result && (getProcId()
+            == other.getProcId());
+      }
+      result = result && (hasMayInterruptIfRunning() == 
other.hasMayInterruptIfRunning());
+      if (hasMayInterruptIfRunning()) {
+        result = result && (getMayInterruptIfRunning()
+            == other.getMayInterruptIfRunning());
+      }
+      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 (hasProcId()) {
+        hash = (37 * hash) + PROC_ID_FIELD_NUMBER;
+        hash = (53 * hash) + hashLong(getProcId());
+      }
+      if (hasMayInterruptIfRunning()) {
+        hash = (37 * hash) + MAYINTERRUPTIFRUNNING_FIELD_NUMBER;
+        hash = (53 * hash) + hashBoolean(getMayInterruptIfRunning());
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
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.AbortProcedureRequest 
parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
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.AbortProcedureRequest 
parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
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.AbortProcedureRequest 
parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
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.AbortProcedureRequest 
parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
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.AbortProcedureRequest
 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.AbortProcedureRequest}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequestOrBuilder
 {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_AbortProcedureRequest_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_AbortProcedureRequest_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.class,
 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.Builder.class);
+      }
+
+      // Construct using 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.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();
+        procId_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        mayInterruptIfRunning_ = true;
+        bitField0_ = (bitField0_ & ~0x00000002);
+        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_AbortProcedureRequest_descriptor;
+      }
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
getDefaultInstanceForType() {
+        return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.getDefaultInstance();
+      }
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
build() {
+        
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
buildPartial() {
+        
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
result = new 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.procId_ = procId_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.mayInterruptIfRunning_ = mayInterruptIfRunning_;
+        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.AbortProcedureRequest) {
+          return 
mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder 
mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest
 other) {
+        if (other == 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.getDefaultInstance())
 return this;
+        if (other.hasProcId()) {
+          setProcId(other.getProcId());
+        }
+        if (other.hasMayInterruptIfRunning()) {
+          setMayInterruptIfRunning(other.getMayInterruptIfRunning());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasProcId()) {
+          
+          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.AbortProcedureRequest 
parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest) 
e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      // required uint64 proc_id = 1;
+      private long procId_ ;
+      /**
+       * <code>required uint64 proc_id = 1;</code>
+       */
+      public boolean hasProcId() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>required uint64 proc_id = 1;</code>
+       */
+      public long getProcId() {
+        return procId_;
+      }
+      /**
+       * <code>required uint64 proc_id = 1;</code>
+       */
+      public Builder setProcId(long value) {
+        bitField0_ |= 0x00000001;
+        procId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required uint64 proc_id = 1;</code>
+       */
+      public Builder clearProcId() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        procId_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      // optional bool mayInterruptIfRunning = 2 [default = true];
+      private boolean mayInterruptIfRunning_ = true;
+      /**
+       * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+       */
+      public boolean hasMayInterruptIfRunning() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+       */
+      public boolean getMayInterruptIfRunning() {
+        return mayInterruptIfRunning_;
+      }
+      /**
+       * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+       */
+      public Builder setMayInterruptIfRunning(boolean value) {
+        bitField0_ |= 0x00000002;
+        mayInterruptIfRunning_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bool mayInterruptIfRunning = 2 [default = true];</code>
+       */
+      public Builder clearMayInterruptIfRunning() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        mayInterruptIfRunning_ = true;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:hbase.pb.AbortProcedureRequest)
+    }
+
+    static {
+      defaultInstance = new AbortProcedureRequest(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:hbase.pb.AbortProcedureRequest)
+  }
+
+  public interface AbortProcedureResponseOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+
+    // required bool is_procedure_aborted = 1;
+    /**
+     * <code>required bool is_procedure_aborted = 1;</code>
+     */
+    boolean hasIsProcedureAborted();
+    /**
+     * <code>required bool is_procedure_aborted = 1;</code>
+     */
+    boolean getIsProcedureAborted();
+  }
+  /**
+   * Protobuf type {@code hbase.pb.AbortProcedureResponse}
+   */
+  public static final class AbortProcedureResponse extends
+      com.google.protobuf.GeneratedMessage
+      implements AbortProcedureResponseOrBuilder {
+    // Use AbortProcedureResponse.newBuilder() to construct.
+    private 
AbortProcedureResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) 
{
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private AbortProcedureResponse(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final AbortProcedureResponse defaultInstance;
+    public static AbortProcedureResponse getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public AbortProcedureResponse getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private AbortProcedureResponse(
+        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;
+              isProcedureAborted_ = 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_AbortProcedureResponse_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_AbortProcedureResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.class,
 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<AbortProcedureResponse> PARSER =
+        new com.google.protobuf.AbstractParser<AbortProcedureResponse>() {
+      public AbortProcedureResponse parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new AbortProcedureResponse(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<AbortProcedureResponse> 
getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // required bool is_procedure_aborted = 1;
+    public static final int IS_PROCEDURE_ABORTED_FIELD_NUMBER = 1;
+    private boolean isProcedureAborted_;
+    /**
+     * <code>required bool is_procedure_aborted = 1;</code>
+     */
+    public boolean hasIsProcedureAborted() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required bool is_procedure_aborted = 1;</code>
+     */
+    public boolean getIsProcedureAborted() {
+      return isProcedureAborted_;
+    }
+
+    private void initFields() {
+      isProcedureAborted_ = false;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      if (!hasIsProcedureAborted()) {
+        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, isProcedureAborted_);
+      }
+      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, isProcedureAborted_);
+      }
+      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.AbortProcedureResponse))
 {
+        return super.equals(obj);
+      }
+      
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
other = 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse)
 obj;
+
+      boolean result = true;
+      result = result && (hasIsProcedureAborted() == 
other.hasIsProcedureAborted());
+      if (hasIsProcedureAborted()) {
+        result = result && (getIsProcedureAborted()
+            == other.getIsProcedureAborted());
+      }
+      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 (hasIsProcedureAborted()) {
+        hash = (37 * hash) + IS_PROCEDURE_ABORTED_FIELD_NUMBER;
+        hash = (53 * hash) + hashBoolean(getIsProcedureAborted());
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
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.AbortProcedureResponse 
parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
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.AbortProcedureResponse 
parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
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.AbortProcedureResponse 
parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
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.AbortProcedureResponse 
parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
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.AbortProcedureResponse
 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.AbortProcedureResponse}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponseOrBuilder
 {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_AbortProcedureResponse_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_hbase_pb_AbortProcedureResponse_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.class,
 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.Builder.class);
+      }
+
+      // Construct using 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.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();
+        isProcedureAborted_ = 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_AbortProcedureResponse_descriptor;
+      }
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
getDefaultInstanceForType() {
+        return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance();
+      }
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
build() {
+        
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
buildPartial() {
+        
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
result = new 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.isProcedureAborted_ = isProcedureAborted_;
+        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.AbortProcedureResponse) 
{
+          return 
mergeFrom((org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder 
mergeFrom(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse
 other) {
+        if (other == 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance())
 return this;
+        if (other.hasIsProcedureAborted()) {
+          setIsProcedureAborted(other.getIsProcedureAborted());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasIsProcedureAborted()) {
+          
+          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.AbortProcedureResponse 
parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse)
 e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      // required bool is_procedure_aborted = 1;
+      private boolean isProcedureAborted_ ;
+      /**
+       * <code>required bool is_procedure_aborted = 1;</code>
+       */
+      public boolean hasIsProcedureAborted() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>required bool is_procedure_aborted = 1;</code>
+       */
+      public boolean getIsProcedureAborted() {
+        return isProcedureAborted_;
+      }
+      /**
+       * <code>required bool is_procedure_aborted = 1;</code>
+       */
+      public Builder setIsProcedureAborted(boolean value) {
+        bitField0_ |= 0x00000001;
+        isProcedureAborted_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required bool is_procedure_aborted = 1;</code>
+       */
+      public Builder clearIsProcedureAborted() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        isProcedureAborted_ = false;
+        onChanged();
+        return this;
+      }
+
+      // 
@@protoc_insertion_point(builder_scope:hbase.pb.AbortProcedureResponse)
+    }
+
+    static {
+      defaultInstance = new AbortProcedureResponse(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:hbase.pb.AbortProcedureResponse)
+  }
+
   public interface SetQuotaRequestOrBuilder
       extends com.google.protobuf.MessageOrBuilder {
 
@@ -51287,6 +52261,18 @@ public final class MasterProtos {
           
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest
 request,
           
com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse>
 done);
 
+      /**
+       * <code>rpc AbortProcedure(.hbase.pb.AbortProcedureRequest) returns 
(.hbase.pb.AbortProcedureResponse);</code>
+       *
+       * <pre>
+       ** Abort a procedure 
+       * </pre>
+       */
+      public abstract void abortProcedure(
+          com.google.protobuf.RpcController controller,
+          
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
request,
+          
com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse>
 done);
+
     }
 
     public static com.google.protobuf.Service newReflectiveService(
@@ -51684,6 +52670,14 @@ public final class MasterProtos {
           impl.getSecurityCapabilities(controller, request, done);
         }
 
+        @java.lang.Override
+        public  void abortProcedure(
+            com.google.protobuf.RpcController controller,
+            
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
request,
+            
com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse>
 done) {
+          impl.abortProcedure(controller, request, done);
+        }
+
       };
     }
 
@@ -51804,6 +52798,8 @@ public final class MasterProtos {
               return impl.getProcedureResult(controller, 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultRequest)request);
             case 48:
               return impl.getSecurityCapabilities(controller, 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest)request);
+            case 49:
+              return impl.abortProcedure(controller, 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest)request);
             default:
               throw new java.lang.AssertionError("Can't get here.");
           }
@@ -51916,6 +52912,8 @@ public final class MasterProtos {
               return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultRequest.getDefaultInstance();
             case 48:
               return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest.getDefaultInstance();
+            case 49:
+              return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.getDefaultInstance();
             default:
               throw new java.lang.AssertionError("Can't get here.");
           }
@@ -52028,6 +53026,8 @@ public final class MasterProtos {
               return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultResponse.getDefaultInstance();
             case 48:
               return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse.getDefaultInstance();
+            case 49:
+              return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance();
             default:
               throw new java.lang.AssertionError("Can't get here.");
           }
@@ -52647,6 +53647,18 @@ public final class MasterProtos {
         
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest
 request,
         
com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse>
 done);
 
+    /**
+     * <code>rpc AbortProcedure(.hbase.pb.AbortProcedureRequest) returns 
(.hbase.pb.AbortProcedureResponse);</code>
+     *
+     * <pre>
+     ** Abort a procedure 
+     * </pre>
+     */
+    public abstract void abortProcedure(
+        com.google.protobuf.RpcController controller,
+        
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
request,
+        
com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse>
 done);
+
     public static final
         com.google.protobuf.Descriptors.ServiceDescriptor
         getDescriptor() {
@@ -52914,6 +53926,11 @@ public final class MasterProtos {
             
com.google.protobuf.RpcUtil.<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse>specializeCallback(
               done));
           return;
+        case 49:
+          this.abortProcedure(controller, 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest)request,
+            
com.google.protobuf.RpcUtil.<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse>specializeCallback(
+              done));
+          return;
         default:
           throw new java.lang.AssertionError("Can't get here.");
       }
@@ -53026,6 +54043,8 @@ public final class MasterProtos {
           return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultRequest.getDefaultInstance();
         case 48:
           return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest.getDefaultInstance();
+        case 49:
+          return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.getDefaultInstance();
         default:
           throw new java.lang.AssertionError("Can't get here.");
       }
@@ -53138,6 +54157,8 @@ public final class MasterProtos {
           return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultResponse.getDefaultInstance();
         case 48:
           return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse.getDefaultInstance();
+        case 49:
+          return 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance();
         default:
           throw new java.lang.AssertionError("Can't get here.");
       }
@@ -53893,6 +54914,21 @@ public final class MasterProtos {
             
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse.class,
             
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse.getDefaultInstance()));
       }
+
+      public  void abortProcedure(
+          com.google.protobuf.RpcController controller,
+          
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
request,
+          
com.google.protobuf.RpcCallback<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse>
 done) {
+        channel.callMethod(
+          getDescriptor().getMethods().get(49),
+          controller,
+          request,
+          
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance(),
+          com.google.protobuf.RpcUtil.generalizeCallback(
+            done,
+            
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.class,
+            
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance()));
+      }
     }
 
     public static BlockingInterface newBlockingStub(
@@ -54145,6 +55181,11 @@ public final class MasterProtos {
           com.google.protobuf.RpcController controller,
           
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest
 request)
           throws com.google.protobuf.ServiceException;
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
abortProcedure(
+          com.google.protobuf.RpcController controller,
+          
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
request)
+          throws com.google.protobuf.ServiceException;
     }
 
     private static final class BlockingStub implements BlockingInterface {
@@ -54741,6 +55782,18 @@ public final class MasterProtos {
           
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse.getDefaultInstance());
       }
 
+
+      public 
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse 
abortProcedure(
+          com.google.protobuf.RpcController controller,
+          
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest 
request)
+          throws com.google.protobuf.ServiceException {
+        return 
(org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse)
 channel.callBlockingMethod(
+          getDescriptor().getMethods().get(49),
+          controller,
+          request,
+          
org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance());
+      }
+
     }
 
     // @@protoc_insertion_point(class_scope:hbase.pb.MasterService)
@@ -55177,6 +56230,16 @@ public final class MasterProtos {
     com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_hbase_pb_GetProcedureResultResponse_fieldAccessorTable;
   private static com.google.protobuf.Descriptors.Descriptor
+    internal_static_hbase_pb_AbortProcedureRequest_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_hbase_pb_AbortProcedureRequest_fieldAccessorTable;
+  private static com.google.protobuf.Descriptors.Descriptor
+    internal_static_hbase_pb_AbortProcedureResponse_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_hbase_pb_AbortProcedureResponse_fieldAccessorTable;
+  private static com.google.protobuf.Descriptors.Descriptor
     internal_static_hbase_pb_SetQuotaRequest_descriptor;
   private static
     com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -55366,138 +56429,144 @@ public final class MasterProtos {
       "\013last_update\030\003 \001(\004\022\016\n\006result\030\004 
\001(\014\0224\n\tex" +
       "ception\030\005 \001(\0132!.hbase.pb.ForeignExceptio" +
       "nMessage\"1\n\005State\022\r\n\tNOT_FOUND\020\000\022\013\n\007RUNN" +
-      
"ING\020\001\022\014\n\010FINISHED\020\002\"\315\001\n\017SetQuotaRequest\022" +
-      "\021\n\tuser_name\030\001 \001(\t\022\022\n\nuser_group\030\002 
\001(\t\022\021" +
-      "\n\tnamespace\030\003 \001(\t\022\'\n\ntable_name\030\004 
\001(\0132\023." +
-      "hbase.pb.TableName\022\022\n\nremove_all\030\005 \001(\010\022\026",
-      "\n\016bypass_globals\030\006 \001(\010\022+\n\010throttle\030\007 
\001(\013" +
-      "2\031.hbase.pb.ThrottleRequest\"\022\n\020SetQuotaR" +
-      "esponse\"J\n\037MajorCompactionTimestampReque" +
-      "st\022\'\n\ntable_name\030\001 \002(\0132\023.hbase.pb.TableN" +
-      "ame\"U\n(MajorCompactionTimestampForRegion" +
-      "Request\022)\n\006region\030\001 \002(\0132\031.hbase.pb.Regio" +
-      "nSpecifier\"@\n MajorCompactionTimestampRe" +
-      "sponse\022\034\n\024compaction_timestamp\030\001 \002(\003\"\035\n\033" 
+
-      "SecurityCapabilitiesRequest\"\354\001\n\034Security" +
-      "CapabilitiesResponse\022G\n\014capabilities\030\001 \003",
-      "(\01621.hbase.pb.SecurityCapabilitiesRespon" +
-      "se.Capability\"\202\001\n\nCapability\022\031\n\025SIMPLE_A" +
-      "UTHENTICATION\020\000\022\031\n\025SECURE_AUTHENTICATION" +
-      "\020\001\022\021\n\rAUTHORIZATION\020\002\022\026\n\022CELL_AUTHORIZAT" 
+
-      "ION\020\003\022\023\n\017CELL_VISIBILITY\020\0042\357\"\n\rMasterSer" +
-      "vice\022e\n\024GetSchemaAlterStatus\022%.hbase.pb." +
-      "GetSchemaAlterStatusRequest\032&.hbase.pb.G" +
-      "etSchemaAlterStatusResponse\022b\n\023GetTableD" +
-      "escriptors\022$.hbase.pb.GetTableDescriptor" +
-      "sRequest\032%.hbase.pb.GetTableDescriptorsR",
-      "esponse\022P\n\rGetTableNames\022\036.hbase.pb.GetT" +
-      "ableNamesRequest\032\037.hbase.pb.GetTableName" +
-      "sResponse\022Y\n\020GetClusterStatus\022!.hbase.pb" +
-      ".GetClusterStatusRequest\032\".hbase.pb.GetC" +
-      "lusterStatusResponse\022V\n\017IsMasterRunning\022" +
-      " .hbase.pb.IsMasterRunningRequest\032!.hbas" +
-      "e.pb.IsMasterRunningResponse\022D\n\tAddColum" +
-      "n\022\032.hbase.pb.AddColumnRequest\032\033.hbase.pb" +
-      ".AddColumnResponse\022M\n\014DeleteColumn\022\035.hba" +
-      "se.pb.DeleteColumnRequest\032\036.hbase.pb.Del",
-      "eteColumnResponse\022M\n\014ModifyColumn\022\035.hbas" +
-      "e.pb.ModifyColumnRequest\032\036.hbase.pb.Modi" +
-      "fyColumnResponse\022G\n\nMoveRegion\022\033.hbase.p" +
-      "b.MoveRegionRequest\032\034.hbase.pb.MoveRegio" +
-      "nResponse\022k\n\026DispatchMergingRegions\022\'.hb" +
-      "ase.pb.DispatchMergingRegionsRequest\032(.h" +
-      "base.pb.DispatchMergingRegionsResponse\022M" +
-      "\n\014AssignRegion\022\035.hbase.pb.AssignRegionRe" +
-      "quest\032\036.hbase.pb.AssignRegionResponse\022S\n" +
-      "\016UnassignRegion\022\037.hbase.pb.UnassignRegio",
-      "nRequest\032 .hbase.pb.UnassignRegionRespon" +
-      "se\022P\n\rOfflineRegion\022\036.hbase.pb.OfflineRe" +
-      "gionRequest\032\037.hbase.pb.OfflineRegionResp" +
-      "onse\022J\n\013DeleteTable\022\034.hbase.pb.DeleteTab" +
-      "leRequest\032\035.hbase.pb.DeleteTableResponse" +
-      "\022P\n\rtruncateTable\022\036.hbase.pb.TruncateTab" +
-      "leRequest\032\037.hbase.pb.TruncateTableRespon" +
-      "se\022J\n\013EnableTable\022\034.hbase.pb.EnableTable" +
-      "Request\032\035.hbase.pb.EnableTableResponse\022M" +
-      "\n\014DisableTable\022\035.hbase.pb.DisableTableRe",
-      "quest\032\036.hbase.pb.DisableTableResponse\022J\n" +
-      "\013ModifyTable\022\034.hbase.pb.ModifyTableReque" +
-      "st\032\035.hbase.pb.ModifyTableResponse\022J\n\013Cre" +
-      "ateTable\022\034.hbase.pb.CreateTableRequest\032\035" +
-      ".hbase.pb.CreateTableResponse\022A\n\010Shutdow" +
-      "n\022\031.hbase.pb.ShutdownRequest\032\032.hbase.pb." +
-      "ShutdownResponse\022G\n\nStopMaster\022\033.hbase.p" +
-      "b.StopMasterRequest\032\034.hbase.pb.StopMaste" +
-      "rResponse\022>\n\007Balance\022\030.hbase.pb.BalanceR" +
-      "equest\032\031.hbase.pb.BalanceResponse\022_\n\022Set",
-      "BalancerRunning\022#.hbase.pb.SetBalancerRu" +
-      "nningRequest\032$.hbase.pb.SetBalancerRunni" +
-      "ngResponse\022\\\n\021IsBalancerEnabled\022\".hbase." +
-      "pb.IsBalancerEnabledRequest\032#.hbase.pb.I" +
-      "sBalancerEnabledResponse\022S\n\016RunCatalogSc" +
-      "an\022\037.hbase.pb.RunCatalogScanRequest\032 .hb" +
-      "ase.pb.RunCatalogScanResponse\022e\n\024EnableC" +
-      "atalogJanitor\022%.hbase.pb.EnableCatalogJa" +
-      "nitorRequest\032&.hbase.pb.EnableCatalogJan" +
-      "itorResponse\022n\n\027IsCatalogJanitorEnabled\022",
-      "(.hbase.pb.IsCatalogJanitorEnabledReques" +
-      "t\032).hbase.pb.IsCatalogJanitorEnabledResp" +
-      "onse\022^\n\021ExecMasterService\022#.hbase.pb.Cop" +
-      "rocessorServiceRequest\032$.hbase.pb.Coproc" +
-      "essorServiceResponse\022A\n\010Snapshot\022\031.hbase" +
-      ".pb.SnapshotRequest\032\032.hbase.pb.SnapshotR" +
-      "esponse\022h\n\025GetCompletedSnapshots\022&.hbase" +
-      ".pb.GetCompletedSnapshotsRequest\032\'.hbase" +
-      ".pb.GetCompletedSnapshotsResponse\022S\n\016Del" +
-      "eteSnapshot\022\037.hbase.pb.DeleteSnapshotReq",
-      "uest\032 .hbase.pb.DeleteSnapshotResponse\022S" +
-      "\n\016IsSnapshotDone\022\037.hbase.pb.IsSnapshotDo" +
-      "neRequest\032 .hbase.pb.IsSnapshotDoneRespo" +
-      "nse\022V\n\017RestoreSnapshot\022 .hbase.pb.Restor" +
-      "eSnapshotRequest\032!.hbase.pb.RestoreSnaps" +
-      "hotResponse\022h\n\025IsRestoreSnapshotDone\022&.h" +
-      "base.pb.IsRestoreSnapshotDoneRequest\032\'.h" +
-      "base.pb.IsRestoreSnapshotDoneResponse\022P\n" +
-      "\rExecProcedure\022\036.hbase.pb.ExecProcedureR" +
-      "equest\032\037.hbase.pb.ExecProcedureResponse\022",
-      "W\n\024ExecProcedureWithRet\022\036.hbase.pb.ExecP" +
-      "rocedureRequest\032\037.hbase.pb.ExecProcedure" +
-      "Response\022V\n\017IsProcedureDone\022 .hbase.pb.I" +
-      "sProcedureDoneRequest\032!.hbase.pb.IsProce" +
-      "dureDoneResponse\022V\n\017ModifyNamespace\022 .hb" +
-      "ase.pb.ModifyNamespaceRequest\032!.hbase.pb" +
-      ".ModifyNamespaceResponse\022V\n\017CreateNamesp" +
-      "ace\022 .hbase.pb.CreateNamespaceRequest\032!." +
-      "hbase.pb.CreateNamespaceResponse\022V\n\017Dele" +
-      "teNamespace\022 .hbase.pb.DeleteNamespaceRe",
-      "quest\032!.hbase.pb.DeleteNamespaceResponse" +
-      "\022k\n\026GetNamespaceDescriptor\022\'.hbase.pb.Ge" +
-      "tNamespaceDescriptorRequest\032(.hbase.pb.G" +
-      "etNamespaceDescriptorResponse\022q\n\030ListNam" +
-      "espaceDescriptors\022).hbase.pb.ListNamespa" +
-      "ceDescriptorsRequest\032*.hbase.pb.ListName" +
-      "spaceDescriptorsResponse\022\206\001\n\037ListTableDe" +
-      "scriptorsByNamespace\0220.hbase.pb.ListTabl" +
-      "eDescriptorsByNamespaceRequest\0321.hbase.p" +
-      "b.ListTableDescriptorsByNamespaceRespons",
-      "e\022t\n\031ListTableNamesByNamespace\022*.hbase.p" +
-      "b.ListTableNamesByNamespaceRequest\032+.hba" +
-      "se.pb.ListTableNamesByNamespaceResponse\022" +
-      "A\n\010SetQuota\022\031.hbase.pb.SetQuotaRequest\032\032" +
-      ".hbase.pb.SetQuotaResponse\022x\n\037getLastMaj" +
-      "orCompactionTimestamp\022).hbase.pb.MajorCo" +
-      "mpactionTimestampRequest\032*.hbase.pb.Majo" +
-      "rCompactionTimestampResponse\022\212\001\n(getLast" +
-      "MajorCompactionTimestampForRegion\0222.hbas" +
-      "e.pb.MajorCompactionTimestampForRegionRe",
-      "quest\032*.hbase.pb.MajorCompactionTimestam" +
-      "pResponse\022_\n\022getProcedureResult\022#.hbase." +
-      "pb.GetProcedureResultRequest\032$.hbase.pb." +
-      "GetProcedureResultResponse\022h\n\027getSecurit" +
-      "yCapabilities\022%.hbase.pb.SecurityCapabil" +
-      "itiesRequest\032&.hbase.pb.SecurityCapabili" +
-      "tiesResponseBB\n*org.apache.hadoop.hbase." +
-      "protobuf.generatedB\014MasterProtosH\001\210\001\001\240\001\001"
+      "ING\020\001\022\014\n\010FINISHED\020\002\"M\n\025AbortProcedureReq" +
+      "uest\022\017\n\007proc_id\030\001 \002(\004\022#\n\025mayInterruptIfR" +
+      "unning\030\002 \001(\010:\004true\"6\n\026AbortProcedureResp" +
+      "onse\022\034\n\024is_procedure_aborted\030\001 
\002(\010\"\315\001\n\017S",
+      "etQuotaRequest\022\021\n\tuser_name\030\001 \001(\t\022\022\n\nuse" +
+      "r_group\030\002 \001(\t\022\021\n\tnamespace\030\003 
\001(\t\022\'\n\ntabl" +
+      "e_name\030\004 \001(\0132\023.hbase.pb.TableName\022\022\n\nrem" +
+      "ove_all\030\005 \001(\010\022\026\n\016bypass_globals\030\006 
\001(\010\022+\n" +
+      "\010throttle\030\007 \001(\0132\031.hbase.pb.ThrottleReque" +
+      "st\"\022\n\020SetQuotaResponse\"J\n\037MajorCompactio" +
+      "nTimestampRequest\022\'\n\ntable_name\030\001 \002(\0132\023." +
+      "hbase.pb.TableName\"U\n(MajorCompactionTim" +
+      "estampForRegionRequest\022)\n\006region\030\001 \002(\0132\031" +
+      ".hbase.pb.RegionSpecifier\"@\n MajorCompac",
+      "tionTimestampResponse\022\034\n\024compaction_time" +
+      "stamp\030\001 \002(\003\"\035\n\033SecurityCapabilitiesReque" +
+      "st\"\354\001\n\034SecurityCapabilitiesResponse\022G\n\014c" +
+      "apabilities\030\001 \003(\01621.hbase.pb.SecurityCap" +
+      "abilitiesResponse.Capability\"\202\001\n\nCapabil" +
+      "ity\022\031\n\025SIMPLE_AUTHENTICATION\020\000\022\031\n\025SECURE" +
+      "_AUTHENTICATION\020\001\022\021\n\rAUTHORIZATION\020\002\022\026\n\022" 
+
+      "CELL_AUTHORIZATION\020\003\022\023\n\017CELL_VISIBILITY\020" +
+      "\0042\304#\n\rMasterService\022e\n\024GetSchemaAlterSta" +
+      "tus\022%.hbase.pb.GetSchemaAlterStatusReque",
+      "st\032&.hbase.pb.GetSchemaAlterStatusRespon" +
+      "se\022b\n\023GetTableDescriptors\022$.hbase.pb.Get" +
+      "TableDescriptorsRequest\032%.hbase.pb.GetTa" +
+      "bleDescriptorsResponse\022P\n\rGetTableNames\022" +
+      "\036.hbase.pb.GetTableNamesRequest\032\037.hbase." +
+      "pb.GetTableNamesResponse\022Y\n\020GetClusterSt" +
+      "atus\022!.hbase.pb.GetClusterStatusRequest\032" +
+      "\".hbase.pb.GetClusterStatusResponse\022V\n\017I" +
+      "sMasterRunning\022 .hbase.pb.IsMasterRunnin" +
+      "gRequest\032!.hbase.pb.IsMasterRunningRespo",
+      "nse\022D\n\tAddColumn\022\032.hbase.pb.AddColumnReq" +
+      "uest\032\033.hbase.pb.AddColumnResponse\022M\n\014Del" +
+      "eteColumn\022\035.hbase.pb.DeleteColumnRequest" +
+      "\032\036.hbase.pb.DeleteColumnResponse\022M\n\014Modi" +
+      "fyColumn\022\035.hbase.pb.ModifyColumnRequest\032" +
+      "\036.hbase.pb.ModifyColumnResponse\022G\n\nMoveR" +
+      "egion\022\033.hbase.pb.MoveRegionRequest\032\034.hba" +
+      "se.pb.MoveRegionResponse\022k\n\026DispatchMerg" +
+      "ingRegions\022\'.hbase.pb.DispatchMergingReg" +
+      "ionsRequest\032(.hbase.pb.DispatchMergingRe",
+      "gionsResponse\022M\n\014AssignRegion\022\035.hbase.pb" +
+      ".AssignRegionRequest\032\036.hbase.pb.AssignRe" +
+      "gionResponse\022S\n\016UnassignRegion\022\037.hbase.p" +
+      "b.UnassignRegionRequest\032 .hbase.pb.Unass" +
+      "ignRegionResponse\022P\n\rOfflineRegion\022\036.hba" +
+      "se.pb.OfflineRegionRequest\032\037.hbase.pb.Of" +
+      "flineRegionResponse\022J\n\013DeleteTable\022\034.hba" +
+      "se.pb.DeleteTableRequest\032\035.hbase.pb.Dele" +
+      "teTableResponse\022P\n\rtruncateTable\022\036.hbase" +
+      ".pb.TruncateTableRequest\032\037.hbase.pb.Trun",
+      "cateTableResponse\022J\n\013EnableTable\022\034.hbase" +
+      ".pb.EnableTableRequest\032\035.hbase.pb.Enable" +
+      "TableResponse\022M\n\014DisableTable\022\035.hbase.pb" +
+      ".DisableTableRequest\032\036.hbase.pb.DisableT" +
+      "ableResponse\022J\n\013ModifyTable\022\034.hbase.pb.M" +
+      "odifyTableRequest\032\035.hbase.pb.ModifyTable" +
+      "Response\022J\n\013CreateTable\022\034.hbase.pb.Creat" +
+      "eTableRequest\032\035.hbase.pb.CreateTableResp" +
+      "onse\022A\n\010Shutdown\022\031.hbase.pb.ShutdownRequ" +
+      "est\032\032.hbase.pb.ShutdownResponse\022G\n\nStopM",
+      "aster\022\033.hbase.pb.StopMasterRequest\032\034.hba" +
+      "se.pb.StopMasterResponse\022>\n\007Balance\022\030.hb" +
+      "ase.pb.BalanceRequest\032\031.hbase.pb.Balance" +
+      "Response\022_\n\022SetBalancerRunning\022#.hbase.p" +
+      "b.SetBalancerRunningRequest\032$.hbase.pb.S" +
+      "etBalancerRunningResponse\022\\\n\021IsBalancerE" +
+      "nabled\022\".hbase.pb.IsBalancerEnabledReque" +
+      "st\032#.hbase.pb.IsBalancerEnabledResponse\022" +
+      "S\n\016RunCatalogScan\022\037.hbase.pb.RunCatalogS" +
+      "canRequest\032 .hbase.pb.RunCatalogScanResp",
+      "onse\022e\n\024EnableCatalogJanitor\022%.hbase.pb." +
+      "EnableCatalogJanitorRequest\032&.hbase.pb.E" +
+      "nableCatalogJanitorResponse\022n\n\027IsCatalog" +
+      "JanitorEnabled\022(.hbase.pb.IsCatalogJanit" +
+      "orEnabledRequest\032).hbase.pb.IsCatalogJan" +
+      "itorEnabledResponse\022^\n\021ExecMasterService" +
+      "\022#.hbase.pb.CoprocessorServiceRequest\032$." +
+      "hbase.pb.CoprocessorServiceResponse\022A\n\010S" +
+      "napshot\022\031.hbase.pb.SnapshotRequest\032\032.hba" +
+      "se.pb.SnapshotResponse\022h\n\025GetCompletedSn",
+      "apshots\022&.hbase.pb.GetCompletedSnapshots" +
+      "Request\032\'.hbase.pb.GetCompletedSnapshots" +
+      "Response\022S\n\016DeleteSnapshot\022\037.hbase.pb.De" +
+      "leteSnapshotRequest\032 .hbase.pb.DeleteSna" +
+      "pshotResponse\022S\n\016IsSnapshotDone\022\037.hbase." +
+      "pb.IsSnapshotDoneRequest\032 .hbase.pb.IsSn" +
+      "apshotDoneResponse\022V\n\017RestoreSnapshot\022 ." +
+      "hbase.pb.RestoreSnapshotRequest\032!.hbase." +
+      "pb.RestoreSnapshotResponse\022h\n\025IsRestoreS" +
+      "napshotDone\022&.hbase.pb.IsRestoreSnapshot",
+      "DoneRequest\032\'.hbase.pb.IsRestoreSnapshot" +
+      "DoneResponse\022P\n\rExecProcedure\022\036.hbase.pb" +
+      ".ExecProcedureRequest\032\037.hbase.pb.ExecPro" +
+      "cedureResponse\022W\n\024ExecProcedureWithRet\022\036" +
+      ".hbase.pb.ExecProcedureRequest\032\037.hbase.p" +
+      "b.ExecProcedureResponse\022V\n\017IsProcedureDo" +
+      "ne\022 .hbase.pb.IsProcedureDoneRequest\032!.h" +
+      "base.pb.IsProcedureDoneResponse\022V\n\017Modif" +
+      "yNamespace\022 .hbase.pb.ModifyNamespaceReq" +
+      "uest\032!.hbase.pb.ModifyNamespaceResponse\022",
+      "V\n\017CreateNamespace\022 .hbase.pb.CreateName" +
+      "spaceRequest\032!.hbase.pb.CreateNamespaceR" +
+      "esponse\022V\n\017DeleteNamespace\022 .hbase.pb.De" +
+      "leteNamespaceRequest\032!.hbase.pb.DeleteNa" +
+      "mespaceResponse\022k\n\026GetNamespaceDescripto" +
+      "r\022\'.hbase.pb.GetNamespaceDescriptorReque" +
+      "st\032(.hbase.pb.GetNamespaceDescriptorResp" +
+      "onse\022q\n\030ListNamespaceDescriptors\022).hbase" +
+      ".pb.ListNamespaceDescriptorsRequest\032*.hb" +
+      "ase.pb.ListNamespaceDescriptorsResponse\022",
+      "\206\001\n\037ListTableDescriptorsByNamespace\0220.hb" +
+      "ase.pb.ListTableDescriptorsByNamespaceRe" +
+      "quest\0321.hbase.pb.ListTableDescriptorsByN" +
+      "amespaceResponse\022t\n\031ListTableNamesByName" +
+      "space\022*.hbase.pb.ListTableNamesByNamespa" +
+      "ceRequest\032+.hbase.pb.ListTableNamesByNam" +
+      "espaceResponse\022A\n\010SetQuota\022\031.hbase.pb.Se" +
+      "tQuotaRequest\032\032.hbase.pb.SetQuotaRespons" +
+      "e\022x\n\037getLastMajorCompactionTimestamp\022).h" +
+      "base.pb.MajorCompactionTimestampRequest\032",
+      "*.hbase.pb.MajorCompactionTimestampRespo" +
+      "nse\022\212\001\n(getLastMajorCompactionTimestampF" +
+      "orRegion\0222.hbase.pb.MajorCompactionTimes" +
+      "tampForRegionRequest\032*.hbase.pb.MajorCom" +
+      "pactionTimestampResponse\022_\n\022getProcedure" +
+      "Result\022#.hbase.pb.GetProcedureResultRequ" +
+      "est\032$.hbase.pb.GetProcedureResultRespons" +
+      "e\022h\n\027getSecurityCapabilities\022%.hbase.pb." +
+      "SecurityCapabilitiesRequest\032&.hbase.pb.S" +
+      "ecurityCapabilitiesResponse\022S\n\016AbortProc",
+      "edure\022\037.hbase.pb.AbortProcedureRequest\032 " +
+      ".hbase.pb.AbortProcedureResponseBB\n*org." +
+      "apache.hadoop.hbase.protobuf.generatedB\014" +
+      "MasterProtosH\001\210\001\001\240\001\001"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner 
assigner =
       new 
com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -56020,44 +57089,56 @@ public final class MasterProtos {
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_hbase_pb_GetProcedureResultResponse_descriptor,
               new java.lang.String[] { "State", "StartTime", "LastUpdate", 
"Result", "Exception", });
-          internal_static_hbase_pb_SetQuotaRequest_descriptor =
+          internal_static_hbase_pb_AbortProcedureRequest_descriptor =
             getDescriptor().getMessageTypes().get(86);
+          internal_static_hbase_pb_AbortProcedureRequest_fieldAccessorTable = 
new
+            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+              internal_static_hbase_pb_AbortProcedureRequest_descriptor,
+              new java.lang.String[] { "ProcId", "MayInterruptIfRunning", });
+          internal_static_hbase_pb_AbortProcedureResponse_descriptor =
+            getDescriptor().getMessageTypes().get(87);
+          internal_static_hbase_pb_AbortProcedureResponse_fieldAccessorTable = 
new
+            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+              internal_static_hbase_pb_AbortProcedureResponse_descriptor,
+              new java.lang.String[] { "IsProcedureAborted", });
+          internal_static_hbase_pb_SetQuotaRequest_descriptor =
+            getDescriptor().getMessageTypes().get(88);
           internal_static_hbase_pb_SetQuotaRequest_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_hbase_pb_SetQuotaRequest_descriptor,
               new java.lang.String[] { "UserName", "UserGroup", "Namespace", 
"TableName", "RemoveAll", "BypassGlobals", "Throttle", });
           internal_static_hbase_pb_SetQuotaResponse_descriptor =
-            getDescriptor().getMessageTypes().get(87);
+            getDescriptor().getMessageTypes().get(89);
           internal_static_hbase_pb_SetQuotaResponse_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_hbase_pb_SetQuotaResponse_descriptor,
               new java.lang.String[] { });
           internal_static_hbase_pb_MajorCompactionTimestampRequest_descriptor =
-            getDescriptor().getMessageTypes().get(88);
+            getDescriptor().getMessageTypes().get(90);
           
internal_static_hbase_pb_MajorCompactionTimestampRequest_fieldAccessorTable = 
new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               
internal_static_hbase_pb_MajorCompactionTimestampRequest_descriptor,
               new java.lang.String[] { "TableName", });
           
internal_static_hbase_pb_MajorCompactionTimestampForRegionRequest_descriptor =
-            getDescriptor().getMessageTypes().get(89);
+            getDescriptor().getMessageTypes().get(91);
           
internal_static_hbase_pb_MajorCompactionTimestampForRegionRequest_fieldAccessorTable
 = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               
internal_static_hbase_pb_MajorCompactionTimestampForRegionRequest_descriptor,
               new java.lang.String[] { "Region", });
           internal_static_hbase_pb_MajorCompactionTimestampResponse_descriptor 
=
-            getDescriptor().getMessageTypes().get(90);
+            getDescriptor().getMessageTypes().get(92);
           
internal_static_hbase_pb_MajorCompactionTimestampResponse_fieldAccessorTable = 
new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               
internal_static_hbase_pb_MajorCompactionTimestampResponse_descriptor,
               new java.lang.String[] { "CompactionTimestamp", });
           internal_static_hbase_pb_SecurityCapabilitiesRequest_descriptor =
-            getDescriptor().getMessageTypes().get(91);
+            getDescriptor().getMessageTypes().get(93);
           
internal_static_hbase_pb_SecurityCapabilitiesRequest_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_hbase_pb_SecurityCapabilitiesRequest_descriptor,
               new java.lang.String[] { });
           internal_static_hbase_pb_SecurityCapabilitiesResponse_descriptor =
-            getDescriptor().getMessageTypes().get(92);
+            getDescriptor().getMessageTypes().get(94);
           
internal_static_hbase_pb_SecurityCapabilitiesResponse_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_hbase_pb_SecurityCapabilitiesResponse_descriptor,

http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/hbase-protocol/src/main/protobuf/Master.proto
----------------------------------------------------------------------
diff --git a/hbase-protocol/src/main/protobuf/Master.proto 
b/hbase-protocol/src/main/protobuf/Master.proto
index 99f8105..16e3b3a 100644
--- a/hbase-protocol/src/main/protobuf/Master.proto
+++ b/hbase-protocol/src/main/protobuf/Master.proto
@@ -386,21 +386,21 @@ message IsMasterRunningResponse {
 }
 
 message ExecProcedureRequest {
-        required ProcedureDescription procedure = 1;
+  required ProcedureDescription procedure = 1;
 }
 
 message ExecProcedureResponse {
-        optional int64 expected_timeout = 1;
-        optional bytes return_data = 2;
+  optional int64 expected_timeout = 1;
+  optional bytes return_data = 2;
 }
 
 message IsProcedureDoneRequest {
-        optional ProcedureDescription procedure = 1;
+  optional ProcedureDescription procedure = 1;
 }
 
 message IsProcedureDoneResponse {
-        optional bool done = 1 [default = false];
-        optional ProcedureDescription snapshot = 2;
+  optional bool done = 1 [default = false];
+  optional ProcedureDescription snapshot = 2;
 }
 
 message GetProcedureResultRequest {
@@ -421,6 +421,15 @@ message GetProcedureResultResponse {
   optional ForeignExceptionMessage exception = 5;
 }
 
+message AbortProcedureRequest {
+  required uint64 proc_id = 1;
+  optional bool mayInterruptIfRunning = 2 [default = true];
+}
+
+message AbortProcedureResponse {
+  required bool is_procedure_aborted = 1;
+}
+
 message SetQuotaRequest {
   optional string user_name = 1;
   optional string user_group = 2;
@@ -693,4 +702,8 @@ service MasterService {
   /** Returns the security capabilities in effect on the cluster */
   rpc getSecurityCapabilities(SecurityCapabilitiesRequest)
     returns(SecurityCapabilitiesResponse);
+
+  /** Abort a procedure */
+  rpc AbortProcedure(AbortProcedureRequest)
+    returns(AbortProcedureResponse);
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/90b8a3c8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
----------------------------------------------------------------------
diff --git 
a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java 
b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
index 4d485b1..53a535c 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
@@ -378,7 +378,7 @@ public class HMaster extends HRegionServer implements 
MasterServices, Server {
     // should we check encryption settings at master side, default true
     this.masterCheckEncryption = 
conf.getBoolean("hbase.master.check.encryption", true);
 
-    this.metricsMaster = new MetricsMaster( new 
MetricsMasterWrapperImpl(this));
+    this.metricsMaster = new MetricsMaster(new MetricsMasterWrapperImpl(this));
 
     // preload table descriptor at startup
     this.preLoadTableDescriptors = 
conf.getBoolean("hbase.master.preload.tabledescriptors", true);
@@ -2478,6 +2478,11 @@ public class HMaster extends HRegionServer implements 
MasterServices, Server {
   }
 
   @Override
+  public boolean abortProcedure(final long procId, final boolean 
mayInterruptIfRunning) {
+    return this.procedureExecutor.abort(procId, mayInterruptIfRunning);
+  }
+
+  @Override
   public List<HTableDescriptor> listTableDescriptorsByNamespace(String name) 
throws IOException {
     ensureNamespaceExists(name);
     return listTableDescriptors(name, null, null, true);

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