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Posted to commits@hbase.apache.org by sy...@apache.org on 2016/01/06 02:15:46 UTC

[2/2] hbase git commit: HBASE-14108 Procedure V2 - Administrative Task: provide an API to abort a procedure (Stephen Yuan Jiang)

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/cbd4e5a1
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/cbd4e5a1
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/cbd4e5a1

Branch: refs/heads/branch-1.2
Commit: cbd4e5a1f305a28ad7961d8a41df4b1075047c91
Parents: 883e3cd
Author: Stephen Yuan Jiang <sy...@gmail.com>
Authored: Thu Sep 3 07:01:30 2015 -0700
Committer: Stephen Yuan Jiang <sy...@gmail.com>
Committed: Tue Jan 5 17:15:11 2016 -0800

----------------------------------------------------------------------
 .../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  | 1324 ++++++++++++++++--
 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, 1612 insertions(+), 137 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/cbd4e5a1/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 f6605c7..70fdd53 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;
@@ -946,6 +947,33 @@ 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/cbd4e5a1/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 8d24874..f6f15ae 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
@@ -82,6 +82,7 @@ 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;
@@ -1751,6 +1752,12 @@ 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/cbd4e5a1/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 47ad323..86af68e 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;
@@ -283,6 +285,86 @@ 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() {
@@ -4152,6 +4234,7 @@ 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;
@@ -4164,13 +4247,39 @@ 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/cbd4e5a1/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/cbd4e5a1/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 ac57c15..9b3e097 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/cbd4e5a1/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 bfe236c..7daf168 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
@@ -48153,6 +48153,980 @@ public final class MasterProtos {
     // @@protoc_insertion_point(class_scope: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 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_AbortProcedureRequest_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_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 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_AbortProcedureRequest_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_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_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:AbortProcedureRequest)
+    }
+
+    static {
+      defaultInstance = new AbortProcedureRequest(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope: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 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_AbortProcedureResponse_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_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 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_AbortProcedureResponse_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.internal_static_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_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:AbortProcedureResponse)
+    }
+
+    static {
+      defaultInstance = new AbortProcedureResponse(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:AbortProcedureResponse)
+  }
+
   public interface SetQuotaRequestOrBuilder
       extends com.google.protobuf.MessageOrBuilder {
 
@@ -53126,6 +54100,18 @@ 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(.AbortProcedureRequest) returns (.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(
@@ -53547,6 +54533,14 @@ 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);
+        }
+
       };
     }
 
@@ -53673,6 +54667,8 @@ public final class MasterProtos {
               return impl.getProcedureResult(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultRequest)request);
             case 51:
               return impl.getSecurityCapabilities(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest)request);
+            case 52:
+              return impl.abortProcedure(controller, (org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest)request);
             default:
               throw new java.lang.AssertionError("Can't get here.");
           }
@@ -53791,6 +54787,8 @@ public final class MasterProtos {
               return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultRequest.getDefaultInstance();
             case 51:
               return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest.getDefaultInstance();
+            case 52:
+              return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.getDefaultInstance();
             default:
               throw new java.lang.AssertionError("Can't get here.");
           }
@@ -53909,6 +54907,8 @@ public final class MasterProtos {
               return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultResponse.getDefaultInstance();
             case 51:
               return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse.getDefaultInstance();
+            case 52:
+              return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance();
             default:
               throw new java.lang.AssertionError("Can't get here.");
           }
@@ -54567,6 +55567,18 @@ 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(.AbortProcedureRequest) returns (.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() {
@@ -54849,6 +55861,11 @@ public final class MasterProtos {
             com.google.protobuf.RpcUtil.<org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse>specializeCallback(
               done));
           return;
+        case 52:
+          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.");
       }
@@ -54967,6 +55984,8 @@ public final class MasterProtos {
           return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultRequest.getDefaultInstance();
         case 51:
           return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest.getDefaultInstance();
+        case 52:
+          return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureRequest.getDefaultInstance();
         default:
           throw new java.lang.AssertionError("Can't get here.");
       }
@@ -55085,6 +56104,8 @@ public final class MasterProtos {
           return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetProcedureResultResponse.getDefaultInstance();
         case 51:
           return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse.getDefaultInstance();
+        case 52:
+          return org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance();
         default:
           throw new java.lang.AssertionError("Can't get here.");
       }
@@ -55885,6 +56906,21 @@ 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(52),
+          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(
@@ -56152,6 +57188,11 @@ 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 {
@@ -56784,6 +57825,18 @@ 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(52),
+          controller,
+          request,
+          org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AbortProcedureResponse.getDefaultInstance());
+      }
+
     }
 
     // @@protoc_insertion_point(class_scope:MasterService)
@@ -57250,6 +58303,16 @@ public final class MasterProtos {
     com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_GetProcedureResultResponse_fieldAccessorTable;
   private static com.google.protobuf.Descriptors.Descriptor
+    internal_static_AbortProcedureRequest_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_AbortProcedureRequest_fieldAccessorTable;
+  private static com.google.protobuf.Descriptors.Descriptor
+    internal_static_AbortProcedureResponse_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_AbortProcedureResponse_fieldAccessorTable;
+  private static com.google.protobuf.Descriptors.Descriptor
     internal_static_SetQuotaRequest_descriptor;
   private static
     com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -57432,121 +58495,126 @@ public final class MasterProtos {
       "\002 \001(\004\022\023\n\013last_update\030\003 \001(\004\022\016\n\006result\030\004 \001" +
       "(\014\022+\n\texception\030\005 \001(\0132\030.ForeignException" +
       "Message\"1\n\005State\022\r\n\tNOT_FOUND\020\000\022\013\n\007RUNNI" +
-      "NG\020\001\022\014\n\010FINISHED\020\002\"\273\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\036\n\ntable_name\030\004 \001(\0132\n.T" +
-      "ableName\022\022\n\nremove_all\030\005 \001(\010\022\026\n\016bypass_g" +
-      "lobals\030\006 \001(\010\022\"\n\010throttle\030\007 \001(\0132\020.Throttl" +
-      "eRequest\"\022\n\020SetQuotaResponse\"A\n\037MajorCom" +
-      "pactionTimestampRequest\022\036\n\ntable_name\030\001 " +
-      "\002(\0132\n.TableName\"L\n(MajorCompactionTimest" +
-      "ampForRegionRequest\022 \n\006region\030\001 \002(\0132\020.Re" +
-      "gionSpecifier\"@\n MajorCompactionTimestam" +
-      "pResponse\022\034\n\024compaction_timestamp\030\001 \002(\003\"",
-      "\035\n\033SecurityCapabilitiesRequest\"\343\001\n\034Secur" +
-      "ityCapabilitiesResponse\022>\n\014capabilities\030" +
-      "\001 \003(\0162(.SecurityCapabilitiesResponse.Cap" +
-      "ability\"\202\001\n\nCapability\022\031\n\025SIMPLE_AUTHENT" +
-      "ICATION\020\000\022\031\n\025SECURE_AUTHENTICATION\020\001\022\021\n\r" +
-      "AUTHORIZATION\020\002\022\026\n\022CELL_AUTHORIZATION\020\003\022" +
-      "\023\n\017CELL_VISIBILITY\020\0042\326\035\n\rMasterService\022S" +
-      "\n\024GetSchemaAlterStatus\022\034.GetSchemaAlterS" +
-      "tatusRequest\032\035.GetSchemaAlterStatusRespo" +
-      "nse\022P\n\023GetTableDescriptors\022\033.GetTableDes",
-      "criptorsRequest\032\034.GetTableDescriptorsRes" +
-      "ponse\022>\n\rGetTableNames\022\025.GetTableNamesRe" +
-      "quest\032\026.GetTableNamesResponse\022G\n\020GetClus" +
-      "terStatus\022\030.GetClusterStatusRequest\032\031.Ge" +
-      "tClusterStatusResponse\022D\n\017IsMasterRunnin" +
-      "g\022\027.IsMasterRunningRequest\032\030.IsMasterRun" +
-      "ningResponse\0222\n\tAddColumn\022\021.AddColumnReq" +
-      "uest\032\022.AddColumnResponse\022;\n\014DeleteColumn" +
-      "\022\024.DeleteColumnRequest\032\025.DeleteColumnRes" +
-      "ponse\022;\n\014ModifyColumn\022\024.ModifyColumnRequ",
-      "est\032\025.ModifyColumnResponse\0225\n\nMoveRegion" +
-      "\022\022.MoveRegionRequest\032\023.MoveRegionRespons" +
-      "e\022Y\n\026DispatchMergingRegions\022\036.DispatchMe" +
-      "rgingRegionsRequest\032\037.DispatchMergingReg" +
-      "ionsResponse\022;\n\014AssignRegion\022\024.AssignReg" +
-      "ionRequest\032\025.AssignRegionResponse\022A\n\016Una" +
-      "ssignRegion\022\026.UnassignRegionRequest\032\027.Un" +
-      "assignRegionResponse\022>\n\rOfflineRegion\022\025." +
-      "OfflineRegionRequest\032\026.OfflineRegionResp" +
-      "onse\0228\n\013DeleteTable\022\023.DeleteTableRequest",
-      "\032\024.DeleteTableResponse\022>\n\rtruncateTable\022" +
-      "\025.TruncateTableRequest\032\026.TruncateTableRe" +
-      "sponse\0228\n\013EnableTable\022\023.EnableTableReque" +
-      "st\032\024.EnableTableResponse\022;\n\014DisableTable" +
-      "\022\024.DisableTableRequest\032\025.DisableTableRes" +
-      "ponse\0228\n\013ModifyTable\022\023.ModifyTableReques" +
-      "t\032\024.ModifyTableResponse\0228\n\013CreateTable\022\023" +
-      ".CreateTableRequest\032\024.CreateTableRespons" +
-      "e\022/\n\010Shutdown\022\020.ShutdownRequest\032\021.Shutdo" +
-      "wnResponse\0225\n\nStopMaster\022\022.StopMasterReq",
-      "uest\032\023.StopMasterResponse\022,\n\007Balance\022\017.B" +
-      "alanceRequest\032\020.BalanceResponse\022M\n\022SetBa" +
-      "lancerRunning\022\032.SetBalancerRunningReques" +
-      "t\032\033.SetBalancerRunningResponse\022J\n\021IsBala" +
-      "ncerEnabled\022\031.IsBalancerEnabledRequest\032\032" +
-      ".IsBalancerEnabledResponse\0222\n\tNormalize\022" +
-      "\021.NormalizeRequest\032\022.NormalizeResponse\022S" +
-      "\n\024SetNormalizerRunning\022\034.SetNormalizerRu" +
-      "nningRequest\032\035.SetNormalizerRunningRespo" +
-      "nse\022P\n\023IsNormalizerEnabled\022\033.IsNormalize",
-      "rEnabledRequest\032\034.IsNormalizerEnabledRes" +
-      "ponse\022A\n\016RunCatalogScan\022\026.RunCatalogScan" +
-      "Request\032\027.RunCatalogScanResponse\022S\n\024Enab" +
-      "leCatalogJanitor\022\034.EnableCatalogJanitorR" +
-      "equest\032\035.EnableCatalogJanitorResponse\022\\\n" +
-      "\027IsCatalogJanitorEnabled\022\037.IsCatalogJani" +
-      "torEnabledRequest\032 .IsCatalogJanitorEnab" +
-      "ledResponse\022L\n\021ExecMasterService\022\032.Copro" +
-      "cessorServiceRequest\032\033.CoprocessorServic" +
-      "eResponse\022/\n\010Snapshot\022\020.SnapshotRequest\032",
-      "\021.SnapshotResponse\022V\n\025GetCompletedSnapsh" +
-      "ots\022\035.GetCompletedSnapshotsRequest\032\036.Get" +
-      "CompletedSnapshotsResponse\022A\n\016DeleteSnap" +
-      "shot\022\026.DeleteSnapshotRequest\032\027.DeleteSna" +
-      "pshotResponse\022A\n\016IsSnapshotDone\022\026.IsSnap" +
-      "shotDoneRequest\032\027.IsSnapshotDoneResponse" +
-      "\022D\n\017RestoreSnapshot\022\027.RestoreSnapshotReq" +
-      "uest\032\030.RestoreSnapshotResponse\022V\n\025IsRest" +
-      "oreSnapshotDone\022\035.IsRestoreSnapshotDoneR" +
-      "equest\032\036.IsRestoreSnapshotDoneResponse\022>",
-      "\n\rExecProcedure\022\025.ExecProcedureRequest\032\026" +
-      ".ExecProcedureResponse\022E\n\024ExecProcedureW" +
-      "ithRet\022\025.ExecProcedureRequest\032\026.ExecProc" +
-      "edureResponse\022D\n\017IsProcedureDone\022\027.IsPro" +
-      "cedureDoneRequest\032\030.IsProcedureDoneRespo" +
-      "nse\022D\n\017ModifyNamespace\022\027.ModifyNamespace" +
-      "Request\032\030.ModifyNamespaceResponse\022D\n\017Cre" +
-      "ateNamespace\022\027.CreateNamespaceRequest\032\030." +
-      "CreateNamespaceResponse\022D\n\017DeleteNamespa" +
-      "ce\022\027.DeleteNamespaceRequest\032\030.DeleteName",
-      "spaceResponse\022Y\n\026GetNamespaceDescriptor\022" +
-      "\036.GetNamespaceDescriptorRequest\032\037.GetNam" +
-      "espaceDescriptorResponse\022_\n\030ListNamespac" +
-      "eDescriptors\022 .ListNamespaceDescriptorsR" +
-      "equest\032!.ListNamespaceDescriptorsRespons" +
-      "e\022t\n\037ListTableDescriptorsByNamespace\022\'.L" +
-      "istTableDescriptorsByNamespaceRequest\032(." +
-      "ListTableDescriptorsByNamespaceResponse\022" +
-      "b\n\031ListTableNamesByNamespace\022!.ListTable" +
-      "NamesByNamespaceRequest\032\".ListTableNames",
-      "ByNamespaceResponse\022/\n\010SetQuota\022\020.SetQuo" +
-      "taRequest\032\021.SetQuotaResponse\022f\n\037getLastM" +
-      "ajorCompactionTimestamp\022 .MajorCompactio" +
-      "nTimestampRequest\032!.MajorCompactionTimes" +
-      "tampResponse\022x\n(getLastMajorCompactionTi" +
-      "mestampForRegion\022).MajorCompactionTimest" +
-      "ampForRegionRequest\032!.MajorCompactionTim" +
-      "estampResponse\022M\n\022getProcedureResult\022\032.G" +
-      "etProcedureResultRequest\032\033.GetProcedureR" +
-      "esultResponse\022V\n\027getSecurityCapabilities",
-      "\022\034.SecurityCapabilitiesRequest\032\035.Securit" +
-      "yCapabilitiesResponseBB\n*org.apache.hado" +
-      "op.hbase.protobuf.generatedB\014MasterProto" +
-      "sH\001\210\001\001\240\001\001"
+      "NG\020\001\022\014\n\010FINISHED\020\002\"M\n\025AbortProcedureRequ",
+      "est\022\017\n\007proc_id\030\001 \002(\004\022#\n\025mayInterruptIfRu" +
+      "nning\030\002 \001(\010:\004true\"6\n\026AbortProcedureRespo" +
+      "nse\022\034\n\024is_procedure_aborted\030\001 \002(\010\"\273\001\n\017Se" +
+      "tQuotaRequest\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\036\n\ntable" +
+      "_name\030\004 \001(\0132\n.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(\0132\020.ThrottleRequest\"\022\n\020SetQuotaRespo" +
+      "nse\"A\n\037MajorCompactionTimestampRequest\022\036" +
+      "\n\ntable_name\030\001 \002(\0132\n.TableName\"L\n(MajorC",
+      "ompactionTimestampForRegionRequest\022 \n\006re" +
+      "gion\030\001 \002(\0132\020.RegionSpecifier\"@\n MajorCom" +
+      "pactionTimestampResponse\022\034\n\024compaction_t" +
+      "imestamp\030\001 \002(\003\"\035\n\033SecurityCapabilitiesRe" +
+      "quest\"\343\001\n\034SecurityCapabilitiesResponse\022>" +
+      "\n\014capabilities\030\001 \003(\0162(.SecurityCapabilit" +
+      "iesResponse.Capability\"\202\001\n\nCapability\022\031\n" +
+      "\025SIMPLE_AUTHENTICATION\020\000\022\031\n\025SECURE_AUTHE" +
+      "NTICATION\020\001\022\021\n\rAUTHORIZATION\020\002\022\026\n\022CELL_A" +
+      "UTHORIZATION\020\003\022\023\n\017CELL_VISIBILITY\020\0042\231\036\n\r",
+      "MasterService\022S\n\024GetSchemaAlterStatus\022\034." +
+      "GetSchemaAlterStatusRequest\032\035.GetSchemaA" +
+      "lterStatusResponse\022P\n\023GetTableDescriptor" +
+      "s\022\033.GetTableDescriptorsRequest\032\034.GetTabl" +
+      "eDescriptorsResponse\022>\n\rGetTableNames\022\025." +
+      "GetTableNamesRequest\032\026.GetTableNamesResp" +
+      "onse\022G\n\020GetClusterStatus\022\030.GetClusterSta" +
+      "tusRequest\032\031.GetClusterStatusResponse\022D\n" +
+      "\017IsMasterRunning\022\027.IsMasterRunningReques" +
+      "t\032\030.IsMasterRunningResponse\0222\n\tAddColumn",
+      "\022\021.AddColumnRequest\032\022.AddColumnResponse\022" +
+      ";\n\014DeleteColumn\022\024.DeleteColumnRequest\032\025." +
+      "DeleteColumnResponse\022;\n\014ModifyColumn\022\024.M" +
+      "odifyColumnRequest\032\025.ModifyColumnRespons" +
+      "e\0225\n\nMoveRegion\022\022.MoveRegionRequest\032\023.Mo" +
+      "veRegionResponse\022Y\n\026DispatchMergingRegio" +
+      "ns\022\036.DispatchMergingRegionsRequest\032\037.Dis" +
+      "patchMergingRegionsResponse\022;\n\014AssignReg" +
+      "ion\022\024.AssignRegionRequest\032\025.AssignRegion" +
+      "Response\022A\n\016UnassignRegion\022\026.UnassignReg",
+      "ionRequest\032\027.UnassignRegionResponse\022>\n\rO" +
+      "fflineRegion\022\025.OfflineRegionRequest\032\026.Of" +
+      "flineRegionResponse\0228\n\013DeleteTable\022\023.Del" +
+      "eteTableRequest\032\024.DeleteTableResponse\022>\n" +
+      "\rtruncateTable\022\025.TruncateTableRequest\032\026." +
+      "TruncateTableResponse\0228\n\013EnableTable\022\023.E" +
+      "nableTableRequest\032\024.EnableTableResponse\022" +
+      ";\n\014DisableTable\022\024.DisableTableRequest\032\025." +
+      "DisableTableResponse\0228\n\013ModifyTable\022\023.Mo" +
+      "difyTableRequest\032\024.ModifyTableResponse\0228",
+      "\n\013CreateTable\022\023.CreateTableRequest\032\024.Cre" +
+      "ateTableResponse\022/\n\010Shutdown\022\020.ShutdownR" +
+      "equest\032\021.ShutdownResponse\0225\n\nStopMaster\022" +
+      "\022.StopMasterRequest\032\023.StopMasterResponse" +
+      "\022,\n\007Balance\022\017.BalanceRequest\032\020.BalanceRe" +
+      "sponse\022M\n\022SetBalancerRunning\022\032.SetBalanc" +
+      "erRunningRequest\032\033.SetBalancerRunningRes" +
+      "ponse\022J\n\021IsBalancerEnabled\022\031.IsBalancerE" +
+      "nabledRequest\032\032.IsBalancerEnabledRespons" +
+      "e\0222\n\tNormalize\022\021.NormalizeRequest\032\022.Norm",
+      "alizeResponse\022S\n\024SetNormalizerRunning\022\034." +
+      "SetNormalizerRunningRequest\032\035.SetNormali" +
+      "zerRunningResponse\022P\n\023IsNormalizerEnable" +
+      "d\022\033.IsNormalizerEnabledRequest\032\034.IsNorma" +
+      "lizerEnabledResponse\022A\n\016RunCatalogScan\022\026" +
+      ".RunCatalogScanRequest\032\027.RunCatalogScanR" +
+      "esponse\022S\n\024EnableCatalogJanitor\022\034.Enable" +
+      "CatalogJanitorRequest\032\035.EnableCatalogJan" +
+      "itorResponse\022\\\n\027IsCatalogJanitorEnabled\022" +
+      "\037.IsCatalogJanitorEnabledRequest\032 .IsCat",
+      "alogJanitorEnabledResponse\022L\n\021ExecMaster" +
+      "Service\022\032.CoprocessorServiceRequest\032\033.Co" +
+      "processorServiceResponse\022/\n\010Snapshot\022\020.S" +
+      "napshotRequest\032\021.SnapshotResponse\022V\n\025Get" +
+      "CompletedSnapshots\022\035.GetCompletedSnapsho" +
+      "tsRequest\032\036.GetCompletedSnapshotsRespons" +
+      "e\022A\n\016DeleteSnapshot\022\026.DeleteSnapshotRequ" +
+      "est\032\027.DeleteSnapshotResponse\022A\n\016IsSnapsh" +
+      "otDone\022\026.IsSnapshotDoneRequest\032\027.IsSnaps" +
+      "hotDoneResponse\022D\n\017RestoreSnapshot\022\027.Res",
+      "toreSnapshotRequest\032\030.RestoreSnapshotRes" +
+      "ponse\022V\n\025IsRestoreSnapshotDone\022\035.IsResto" +
+      "reSnapshotDoneRequest\032\036.IsRestoreSnapsho" +
+      "tDoneResponse\022>\n\rExecProcedure\022\025.ExecPro" +
+      "cedureRequest\032\026.ExecProcedureResponse\022E\n" +
+      "\024ExecProcedureWithRet\022\025.ExecProcedureReq" +
+      "uest\032\026.ExecProcedureResponse\022D\n\017IsProced" +
+      "ureDone\022\027.IsProcedureDoneRequest\032\030.IsPro" +
+      "cedureDoneResponse\022D\n\017ModifyNamespace\022\027." +
+      "ModifyNamespaceRequest\032\030.ModifyNamespace",
+      "Response\022D\n\017CreateNamespace\022\027.CreateName" +
+      "spaceRequest\032\030.CreateNamespaceResponse\022D" +
+      "\n\017DeleteNamespace\022\027.DeleteNamespaceReque" +
+      "st\032\030.DeleteNamespaceResponse\022Y\n\026GetNames" +
+      "paceDescriptor\022\036.GetNamespaceDescriptorR" +
+      "equest\032\037.GetNamespaceDescriptorResponse\022" +
+      "_\n\030ListNamespaceDescriptors\022 .ListNamesp" +
+      "aceDescriptorsRequest\032!.ListNamespaceDes" +
+      "criptorsResponse\022t\n\037ListTableDescriptors" +
+      "ByNamespace\022\'.ListTableDescriptorsByName",
+      "spaceRequest\032(.ListTableDescriptorsByNam" +
+      "espaceResponse\022b\n\031ListTableNamesByNamesp" +
+      "ace\022!.ListTableNamesByNamespaceRequest\032\"" +
+      ".ListTableNamesByNamespaceResponse\022/\n\010Se" +
+      "tQuota\022\020.SetQuotaRequest\032\021.SetQuotaRespo" +
+      "nse\022f\n\037getLastMajorCompactionTimestamp\022 " +
+      ".MajorCompactionTimestampRequest\032!.Major" +
+      "CompactionTimestampResponse\022x\n(getLastMa" +
+      "jorCompactionTimestampForRegion\022).MajorC" +
+      "ompactionTimestampForRegionRequest\032!.Maj",
+      "orCompactionTimestampResponse\022M\n\022getProc" +
+      "edureResult\022\032.GetProcedureResultRequest\032" +
+      "\033.GetProcedureResultResponse\022V\n\027getSecur" +
+      "ityCapabilities\022\034.SecurityCapabilitiesRe" +
+      "quest\032\035.SecurityCapabilitiesResponse\022A\n\016" +
+      "AbortProcedure\022\026.AbortProcedureRequest\032\027" +
+      ".AbortProcedureResponseBB\n*org.apache.ha" +
+      "doop.hbase.protobuf.generatedB\014MasterPro" +
+      "tosH\001\210\001\001\240\001\001"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
       new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -58105,44 +59173,56 @@ public final class MasterProtos {
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_GetProcedureResultResponse_descriptor,
               new java.lang.String[] { "State", "StartTime", "LastUpdate", "Result", "Exception", });
-          internal_static_SetQuotaRequest_descriptor =
+          internal_static_AbortProcedureRequest_descriptor =
             getDescriptor().getMessageTypes().get(92);
+          internal_static_AbortProcedureRequest_fieldAccessorTable = new
+            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+              internal_static_AbortProcedureRequest_descriptor,
+              new java.lang.String[] { "ProcId", "MayInterruptIfRunning", });
+          internal_static_AbortProcedureResponse_descriptor =
+            getDescriptor().getMessageTypes().get(93);
+          internal_static_AbortProcedureResponse_fieldAccessorTable = new
+            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+              internal_static_AbortProcedureResponse_descriptor,
+              new java.lang.String[] { "IsProcedureAborted", });
+          internal_static_SetQuotaRequest_descriptor =
+            getDescriptor().getMessageTypes().get(94);
           internal_static_SetQuotaRequest_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_SetQuotaRequest_descriptor,
               new java.lang.String[] { "UserName", "UserGroup", "Namespace", "TableName", "RemoveAll", "BypassGlobals", "Throttle", });
           internal_static_SetQuotaResponse_descriptor =
-            getDescriptor().getMessageTypes().get(93);
+            getDescriptor().getMessageTypes().get(95);
           internal_static_SetQuotaResponse_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_SetQuotaResponse_descriptor,
               new java.lang.String[] { });
           internal_static_MajorCompactionTimestampRequest_descriptor =
-            getDescriptor().getMessageTypes().get(94);
+            getDescriptor().getMessageTypes().get(96);
           internal_static_MajorCompactionTimestampRequest_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_MajorCompactionTimestampRequest_descriptor,
               new java.lang.String[] { "TableName", });
           internal_static_MajorCompactionTimestampForRegionRequest_descriptor =
-            getDescriptor().getMessageTypes().get(95);
+            getDescriptor().getMessageTypes().get(97);
           internal_static_MajorCompactionTimestampForRegionRequest_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_MajorCompactionTimestampForRegionRequest_descriptor,
               new java.lang.String[] { "Region", });
           internal_static_MajorCompactionTimestampResponse_descriptor =
-            getDescriptor().getMessageTypes().get(96);
+            getDescriptor().getMessageTypes().get(98);
           internal_static_MajorCompactionTimestampResponse_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_MajorCompactionTimestampResponse_descriptor,
               new java.lang.String[] { "CompactionTimestamp", });
           internal_static_SecurityCapabilitiesRequest_descriptor =
-            getDescriptor().getMessageTypes().get(97);
+            getDescriptor().getMessageTypes().get(99);
           internal_static_SecurityCapabilitiesRequest_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_SecurityCapabilitiesRequest_descriptor,
               new java.lang.String[] { });
           internal_static_SecurityCapabilitiesResponse_descriptor =
-            getDescriptor().getMessageTypes().get(98);
+            getDescriptor().getMessageTypes().get(100);
           internal_static_SecurityCapabilitiesResponse_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_SecurityCapabilitiesResponse_descriptor,

http://git-wip-us.apache.org/repos/asf/hbase/blob/cbd4e5a1/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 bb9077a..9606cb0 100644
--- a/hbase-protocol/src/main/protobuf/Master.proto
+++ b/hbase-protocol/src/main/protobuf/Master.proto
@@ -400,21 +400,21 @@ 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 {
@@ -435,6 +435,15 @@ 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;
@@ -725,4 +734,8 @@ 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/cbd4e5a1/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 f219794..ef6669b 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
@@ -381,7 +381,7 @@ 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);
@@ -2505,6 +2505,11 @@ 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);

http://git-wip-us.apache.org/repos/asf/hbase/blob/cbd4e5a1/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
index 8b0d587..613bb9c 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
@@ -59,6 +59,8 @@ import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.NameStringPair;
 import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.ProcedureDescription;
 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.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.AddColumnResponse;
 import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.AssignRegionRequest;
@@ -1056,6 +1058,17 @@ public class MasterRpcServices extends RSRpcServices
   }
 
   @Override
+  public AbortProcedureResponse abortProcedure(
+      RpcController rpcController,
+      AbortProcedureRequest request) {
+    AbortProcedureResponse.Builder response = AbortProcedureResponse.newBuilder();
+    boolean abortResult =
+        master.abortProcedure(request.getProcId(), request.getMayInterruptIfRunning());
+    response.setIsProcedureAborted(abortResult);
+    return response.build();
+  }
+
+  @Override
   public ListNamespaceDescriptorsResponse listNamespaceDescriptors(RpcController c,
       ListNamespaceDescriptorsRequest request) throws ServiceException {
     try {