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 */
018
019package org.apache.hadoop.hbase.master;
020
021import java.util.ArrayList;
022import java.util.List;
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.HBaseTestingUtility;
025import org.apache.hadoop.hbase.StartMiniClusterOption;
026import org.apache.hadoop.hbase.TableName;
027import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
028import org.apache.hadoop.hbase.client.Put;
029import org.apache.hadoop.hbase.client.RegionInfo;
030import org.apache.hadoop.hbase.client.Table;
031import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
032import org.apache.hadoop.hbase.testclassification.MediumTests;
033import org.apache.hadoop.hbase.testclassification.MiscTests;
034import org.apache.hadoop.hbase.util.Bytes;
035import org.junit.AfterClass;
036import org.junit.Assert;
037import org.junit.BeforeClass;
038import org.junit.ClassRule;
039import org.junit.Test;
040import org.junit.experimental.categories.Category;
041
042@Category({ MiscTests.class, MediumTests.class})
043public class TestRegionPlansWithThrottle {
044
045  @ClassRule
046  public static final HBaseClassTestRule CLASS_RULE =
047    HBaseClassTestRule.forClass(TestRegionPlansWithThrottle.class);
048
049  private static HMaster hMaster;
050
051  private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
052
053  @BeforeClass
054  public static void setUp() throws Exception {
055    UTIL.startMiniCluster(StartMiniClusterOption.builder().numRegionServers(2).build());
056    hMaster = UTIL.getMiniHBaseCluster().getMaster();
057  }
058
059  @AfterClass
060  public static void tearDown() throws Exception {
061    UTIL.shutdownMiniCluster();
062  }
063
064  @Test
065  public void testExecuteRegionPlansWithThrottling() throws Exception {
066    final TableName tableName = TableName.valueOf("testExecuteRegionPlansWithThrottling");
067
068    TableDescriptorBuilder.ModifyableTableDescriptor tableDescriptor =
069      new TableDescriptorBuilder.ModifyableTableDescriptor(tableName).setColumnFamily(
070        new ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor(Bytes.toBytes("cf")));
071
072    UTIL.getAdmin().createTable(tableDescriptor);
073    Table table = UTIL.getConnection().getTable(tableName);
074
075    List<Put> puts = new ArrayList<>();
076    for (int i = 0; i < 100; i++) {
077      Put put = new Put(Bytes.toBytes("row" + i));
078      byte[] q = Bytes.toBytes("q1");
079      byte[] v = Bytes.toBytes("v" + i);
080      put.addColumn(Bytes.toBytes("cf"), q, v);
081      puts.add(put);
082    }
083    table.put(puts);
084    UTIL.getAdmin().flush(tableName);
085    UTIL.getAdmin().split(tableName, Bytes.toBytes("v5"));
086
087    List<RegionPlan> plans = new ArrayList<>();
088    List<RegionInfo> regionInfos = UTIL.getAdmin().getRegions(tableName);
089    for (RegionInfo regionInfo : regionInfos) {
090      plans.add(
091        new RegionPlan(regionInfo, UTIL.getHBaseCluster().getRegionServer(0).getServerName(),
092          UTIL.getHBaseCluster().getRegionServer(1).getServerName()));
093    }
094    List<RegionPlan> successPlans = hMaster.executeRegionPlansWithThrottling(plans);
095    Assert.assertEquals(regionInfos.size(), successPlans.size());
096  }
097
098}