hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompactionPolicy.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 java.io.IOException;
  22 import java.util.ArrayList;
  23 import java.util.Arrays;
  24 import java.util.List;
  25 import org.apache.hadoop.conf.Configuration;
  26 import org.apache.hadoop.fs.FileSystem;
  27 import org.apache.hadoop.fs.Path;
  28 import org.apache.hadoop.hbase.HBaseTestingUtil;
  29 import org.apache.hadoop.hbase.HConstants;
  30 import org.apache.hadoop.hbase.TableName;
  31 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
  32 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
  33 import org.apache.hadoop.hbase.client.RegionInfo;
  34 import org.apache.hadoop.hbase.client.RegionInfoBuilder;
  35 import org.apache.hadoop.hbase.client.TableDescriptor;
  36 import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
  37 import org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration;
  38 import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;
  39 import org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy;
  40 import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
  41 import org.apache.hadoop.hbase.util.Bytes;
  42 import org.apache.hadoop.hbase.util.CommonFSUtils;
  43 import org.junit.After;
  44 import org.junit.Assert;
  45 import org.junit.Before;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
  50
  51 public class TestCompactionPolicy {
  52   private final static Logger LOG = LoggerFactory.getLogger(TestCompactionPolicy.class);
  53   protected final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
  54
  55   protected Configuration conf;
  56   protected HStore store;
  57   private static final String DIR = TEST_UTIL.getDataTestDir(
  58     TestCompactionPolicy.class.getSimpleName()).toString();
  59   protected static Path TEST_FILE;
  60   protected static final int minFiles = 3;
  61   protected static final int maxFiles = 5;
  62
  63   protected static final long minSize = 10;
  64   protected static final long maxSize = 2100;
  65
  66   private FSHLog hlog;
  67   private HRegion region;
  68
  69   @Before
  70   public void setUp() throws Exception {
  71     config();
  72     initialize();
  73   }
  74
  75   /**
  76    * setup config values necessary for store
  77    */
  78   protected void config() {
  79     this.conf = TEST_UTIL.getConfiguration();
  80     this.conf.setLong(HConstants.MAJOR_COMPACTION_PERIOD, 0);
  81     this.conf.setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_KEY, minFiles);
  82     this.conf.setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MAX_KEY, maxFiles);
  83     this.conf.setLong(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_SIZE_KEY, minSize);
  84     this.conf.setLong(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MAX_SIZE_KEY, maxSize);
  85     this.conf.setFloat(CompactionConfiguration.HBASE_HSTORE_COMPACTION_RATIO_KEY, 1.0F);
  86   }
  87
  88   /**
  89    * Setting up a Store
  90    * @throws IOException with error
  91    */
  92   protected void initialize() throws IOException {
  93     Path basedir = new Path(DIR);
  94     String logName = "logs";
  95     Path logdir = new Path(DIR, logName);
  96     ColumnFamilyDescriptor familyDescriptor =
  97       ColumnFamilyDescriptorBuilder.of(Bytes.toBytes("family"));
  98     FileSystem fs = FileSystem.get(conf);
  99
 100     fs.delete(logdir, true);
 101
 102     TableDescriptor tableDescriptor =
 103       TableDescriptorBuilder.newBuilder(TableName.valueOf(Bytes.toBytes("table")))
 104         .setColumnFamily(familyDescriptor).build();
 105     RegionInfo info = RegionInfoBuilder.newBuilder(tableDescriptor.getTableName()).build();
 106
 107     hlog = new FSHLog(fs, basedir, logName, conf);
 108     hlog.init();
 109     ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false, 0, 0,
 110       0, null, MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT);
 111     region = HRegion.createHRegion(info, basedir, conf, tableDescriptor, hlog);
 112     region.close();
 113     Path tableDir = CommonFSUtils.getTableDir(basedir, tableDescriptor.getTableName());
 114     region = new HRegion(tableDir, hlog, fs, conf, info, tableDescriptor, null);
 115
 116     store = new HStore(region, familyDescriptor, conf, false);
 117
 118     TEST_FILE = region.getRegionFileSystem().createTempName();
 119     fs.createNewFile(TEST_FILE);
 120   }
 121
 122   @After
 123   public void tearDown() throws IOException {
 124     IOException ex = null;
 125     try {
 126       region.close();
 127     } catch (IOException e) {
 128       LOG.warn("Caught Exception", e);
 129       ex = e;
 130     }
 131     try {
 132       hlog.close();
 133     } catch (IOException e) {
 134       LOG.warn("Caught Exception", e);
 135       ex = e;
 136     }
 137     if (ex != null) {
 138       throw ex;
 139     }
 140   }
 141
 142   ArrayList<Long> toArrayList(long... numbers) {
 143     ArrayList<Long> result = new ArrayList<>();
 144     for (long i : numbers) {
 145       result.add(i);
 146     }
 147     return result;
 148   }
 149
 150   List<HStoreFile> sfCreate(long... sizes) throws IOException {
 151     ArrayList<Long> ageInDisk = new ArrayList<>();
 152     for (int i = 0; i < sizes.length; i++) {
 153       ageInDisk.add(0L);
 154     }
 155     return sfCreate(toArrayList(sizes), ageInDisk);
 156   }
 157
 158   List<HStoreFile> sfCreate(ArrayList<Long> sizes, ArrayList<Long> ageInDisk) throws IOException {
 159     return sfCreate(false, sizes, ageInDisk);
 160   }
 161
 162   List<HStoreFile> sfCreate(boolean isReference, long... sizes) throws IOException {
 163     ArrayList<Long> ageInDisk = new ArrayList<>(sizes.length);
 164     for (int i = 0; i < sizes.length; i++) {
 165       ageInDisk.add(0L);
 166     }
 167     return sfCreate(isReference, toArrayList(sizes), ageInDisk);
 168   }
 169
 170   List<HStoreFile> sfCreate(boolean isReference, ArrayList<Long> sizes, ArrayList<Long> ageInDisk)
 171       throws IOException {
 172     List<HStoreFile> ret = Lists.newArrayList();
 173     for (int i = 0; i < sizes.size(); i++) {
 174       ret.add(new MockHStoreFile(TEST_UTIL, TEST_FILE, sizes.get(i), ageInDisk.get(i), isReference,
 175           i));
 176     }
 177     return ret;
 178   }
 179
 180   long[] getSizes(List<HStoreFile> sfList) {
 181     long[] aNums = new long[sfList.size()];
 182     for (int i = 0; i < sfList.size(); ++i) {
 183       aNums[i] = sfList.get(i).getReader().length();
 184     }
 185     return aNums;
 186   }
 187
 188   void compactEquals(List<HStoreFile> candidates, long... expected) throws IOException {
 189     compactEquals(candidates, false, false, expected);
 190   }
 191
 192   void compactEquals(List<HStoreFile> candidates, boolean forcemajor, long... expected)
 193       throws IOException {
 194     compactEquals(candidates, forcemajor, false, expected);
 195   }
 196
 197   void compactEquals(List<HStoreFile> candidates, boolean forcemajor, boolean isOffPeak,
 198       long... expected) throws IOException {
 199     store.forceMajor = forcemajor;
 200     // Test Default compactions
 201     CompactionRequestImpl result =
 202         ((RatioBasedCompactionPolicy) store.storeEngine.getCompactionPolicy()).selectCompaction(
 203           candidates, new ArrayList<>(), false, isOffPeak, forcemajor);
 204     List<HStoreFile> actual = new ArrayList<>(result.getFiles());
 205     if (isOffPeak && !forcemajor) {
 206       Assert.assertTrue(result.isOffPeak());
 207     }
 208     Assert.assertEquals(Arrays.toString(expected), Arrays.toString(getSizes(actual)));
 209     store.forceMajor = false;
 210   }
 211 }