hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/DisabledRegionSplitPolicy.java

   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.yetus.audience.InterfaceAudience;
  22 import org.apache.hadoop.hbase.HBaseInterfaceAudience;
  23
  24 /**
  25  * A {@link RegionSplitPolicy} that disables region splits. This should be used with care, since it
  26  * will disable automatic sharding. Most of the time, using {@link ConstantSizeRegionSplitPolicy}
  27  * with a large region size (10GB, etc) is safer.
  28  */
  29 @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
  30 public class DisabledRegionSplitPolicy extends RegionSplitPolicy {
  31
  32   @Override
  33   protected boolean shouldSplit() {
  34     return false;
  35   }
  36
  37   @Override
  38   protected boolean canSplit() {
  39     return false;
  40   }
  41 }