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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.hadoop.hbase.regionserver;
20  
21  import org.apache.hadoop.hbase.classification.InterfaceAudience;
22  import org.apache.hadoop.hbase.HBaseInterfaceAudience;
23  
24  /**
25   * A {@link RegionSplitPolicy} that disables region splits.
26   * This should be used with care, since it will disable automatic sharding.
27   * Most of the time, using {@link ConstantSizeRegionSplitPolicy} with a
28   * large region size (10GB, etc) is safer.
29   */
30  @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
31  public class DisabledRegionSplitPolicy extends RegionSplitPolicy {
32    @Override
33    protected boolean shouldSplit() {
34      return false;
35    }
36  }