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.master.region;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.assertFalse;
022
023import java.io.FileNotFoundException;
024import java.io.IOException;
025import org.apache.hadoop.conf.Configuration;
026import org.apache.hadoop.fs.FileStatus;
027import org.apache.hadoop.fs.FileSystem;
028import org.apache.hadoop.fs.Path;
029import org.apache.hadoop.hbase.Stoppable;
030import org.apache.hadoop.hbase.client.Put;
031import org.apache.hadoop.hbase.master.cleaner.HFileCleaner;
032import org.apache.hadoop.hbase.master.cleaner.TimeToLiveMasterLocalStoreHFileCleaner;
033import org.apache.hadoop.hbase.regionserver.Store;
034import org.apache.hadoop.hbase.testclassification.MasterTests;
035import org.apache.hadoop.hbase.testclassification.MediumTests;
036import org.apache.hadoop.hbase.util.Bytes;
037import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
038import org.apache.hadoop.hbase.util.HFileArchiveUtil;
039import org.junit.jupiter.api.Tag;
040import org.junit.jupiter.api.Test;
041
042@Tag(MasterTests.TAG)
043@Tag(MediumTests.TAG)
044public class TestMasterRegionCompaction extends MasterRegionTestBase {
045
046  private int compactMin = 4;
047
048  private HFileCleaner hfileCleaner;
049
050  @Override
051  protected void configure(MasterRegionParams params) {
052    params.compactMin(compactMin);
053  }
054
055  @Override
056  protected void postSetUp() throws IOException {
057    Configuration conf = htu.getConfiguration();
058    conf.setLong(TimeToLiveMasterLocalStoreHFileCleaner.TTL_CONF_KEY, 5000);
059    Path testDir = htu.getDataTestDir();
060    FileSystem fs = testDir.getFileSystem(conf);
061    Path globalArchivePath = HFileArchiveUtil.getArchivePath(conf);
062    hfileCleaner = new HFileCleaner(500, new Stoppable() {
063
064      private volatile boolean stopped = false;
065
066      @Override
067      public void stop(String why) {
068        stopped = true;
069      }
070
071      @Override
072      public boolean isStopped() {
073        return stopped;
074      }
075    }, conf, fs, globalArchivePath, hfileCleanerPool);
076    choreService.scheduleChore(hfileCleaner);
077  }
078
079  private int getStorefilesCount() {
080    return region.region.getStores().stream().mapToInt(Store::getStorefilesCount).sum();
081  }
082
083  private void assertFileCount(FileSystem fs, Path storeArchiveDir, int expected)
084    throws IOException {
085    FileStatus[] compactedHFiles = fs.listStatus(storeArchiveDir);
086    assertEquals(expected, compactedHFiles.length);
087  }
088
089  @Test
090  public void test() throws IOException, InterruptedException {
091    for (int i = 0; i < compactMin - 1; i++) {
092      final int index = i;
093      region.update(
094        r -> r.put(new Put(Bytes.toBytes(index)).addColumn(CF1, QUALIFIER, Bytes.toBytes(index))
095          .addColumn(CF2, QUALIFIER, Bytes.toBytes(index))));
096      region.flush(true);
097    }
098    assertEquals(2 * (compactMin - 1), getStorefilesCount());
099    region.update(r -> r.put(new Put(Bytes.toBytes(compactMin - 1)).addColumn(CF1, QUALIFIER,
100      Bytes.toBytes(compactMin - 1))));
101    region.flusherAndCompactor.requestFlush();
102    htu.waitFor(15000, () -> getStorefilesCount() == 2);
103    Path store1ArchiveDir = HFileArchiveUtil.getStoreArchivePathForRootDir(htu.getDataTestDir(),
104      region.region.getRegionInfo(), CF1);
105    Path store2ArchiveDir = HFileArchiveUtil.getStoreArchivePathForRootDir(htu.getDataTestDir(),
106      region.region.getRegionInfo(), CF2);
107    FileSystem fs = store1ArchiveDir.getFileSystem(htu.getConfiguration());
108    // after compaction, the old hfiles should have been compacted
109    htu.waitFor(15000, () -> {
110      try {
111        FileStatus[] fses1 = fs.listStatus(store1ArchiveDir);
112        FileStatus[] fses2 = fs.listStatus(store2ArchiveDir);
113        return fses1 != null && fses1.length == compactMin && fses2 != null
114          && fses2.length == compactMin - 1;
115      } catch (FileNotFoundException e) {
116        return false;
117      }
118    });
119    // ttl has not expired, so should not delete any files
120    Thread.sleep(1000);
121    FileStatus[] compactedHFiles = fs.listStatus(store1ArchiveDir);
122    assertEquals(compactMin, compactedHFiles.length);
123    assertFileCount(fs, store2ArchiveDir, compactMin - 1);
124    Thread.sleep(2000);
125    // touch one file
126
127    long currentTime = EnvironmentEdgeManager.currentTime();
128    fs.setTimes(compactedHFiles[0].getPath(), currentTime, currentTime);
129    Thread.sleep(3000);
130    // only the touched file is still there after clean up
131    FileStatus[] remainingHFiles = fs.listStatus(store1ArchiveDir);
132    assertEquals(1, remainingHFiles.length);
133    assertEquals(compactedHFiles[0].getPath(), remainingHFiles[0].getPath());
134    assertFalse(fs.exists(store2ArchiveDir));
135    Thread.sleep(6000);
136    // the touched file should also be cleaned up and then the cleaner will delete the parent
137    // directory since it is empty.
138    assertFalse(fs.exists(store1ArchiveDir));
139  }
140}