001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase;
019
020import java.io.IOException;
021
022import org.apache.yetus.audience.InterfaceAudience;
023
024/**
025 * Thrown by a region server if it will block and wait to serve a request.
026 * For example, the client wants to insert something to a region while the
027 * region is compacting. Keep variance in the passed 'msg' low because its msg is used as a key
028 * over in {@link org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException}
029 * grouping failure types.
030 */
031@InterfaceAudience.Public
032public class RegionTooBusyException extends IOException {
033  private static final long serialVersionUID = 1728345723728342L;
034
035  // Be careful. Keep variance in the passed 'msg' low because its msg is used as a key over in
036  // RetriesExhaustedWithDetailsException grouping failure types.
037  public RegionTooBusyException(final String msg) {
038    super(msg);
039  }
040}