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.regionserver;
019
020import static org.junit.Assert.assertEquals;
021
022import java.util.ArrayList;
023import java.util.List;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HBaseTestingUtility;
026import org.apache.hadoop.hbase.HConstants;
027import org.apache.hadoop.hbase.TableName;
028import org.apache.hadoop.hbase.client.Admin;
029import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
030import org.apache.hadoop.hbase.client.Put;
031import org.apache.hadoop.hbase.client.Scan;
032import org.apache.hadoop.hbase.client.Table;
033import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
034import org.apache.hadoop.hbase.master.cleaner.TimeToLiveHFileCleaner;
035import org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration;
036import org.apache.hadoop.hbase.testclassification.LargeTests;
037import org.apache.hadoop.hbase.testclassification.RegionServerTests;
038import org.apache.hadoop.hbase.util.Bytes;
039import org.apache.hadoop.hbase.util.JVMClusterUtil;
040import org.junit.After;
041import org.junit.AfterClass;
042import org.junit.Before;
043import org.junit.BeforeClass;
044import org.junit.ClassRule;
045import org.junit.Test;
046import org.junit.experimental.categories.Category;
047import org.slf4j.Logger;
048import org.slf4j.LoggerFactory;
049
050@Category({ LargeTests.class, RegionServerTests.class })
051public class TestNotCleanupCompactedFileWhenRegionWarmup {
052  private static final Logger LOG =
053    LoggerFactory.getLogger(TestNotCleanupCompactedFileWhenRegionWarmup.class);
054
055  @ClassRule
056  public static final HBaseClassTestRule CLASS_RULE =
057    HBaseClassTestRule.forClass(TestNotCleanupCompactedFileWhenRegionWarmup.class);
058
059  private static HBaseTestingUtility TEST_UTIL;
060  private static Admin admin;
061  private static Table table;
062
063  private static TableName TABLE_NAME = TableName.valueOf("TestCleanupCompactedFileAfterFailover");
064  private static byte[] ROW = Bytes.toBytes("row");
065  private static byte[] FAMILY = Bytes.toBytes("cf");
066  private static byte[] QUALIFIER = Bytes.toBytes("cq");
067  private static byte[] VALUE = Bytes.toBytes("value");
068
069  @BeforeClass
070  public static void beforeClass() throws Exception {
071    TEST_UTIL = new HBaseTestingUtility();
072    // Set the scanner lease to 20min, so the scanner can't be closed by RegionServer
073    TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, 1200000);
074    TEST_UTIL.getConfiguration().setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_KEY,
075      100);
076    TEST_UTIL.getConfiguration().set("dfs.blocksize", "64000");
077    TEST_UTIL.getConfiguration().set("dfs.namenode.fs-limits.min-block-size", "1024");
078    TEST_UTIL.getConfiguration().set(TimeToLiveHFileCleaner.TTL_CONF_KEY, "0");
079    TEST_UTIL.startMiniCluster(1);
080    admin = TEST_UTIL.getAdmin();
081  }
082
083  @AfterClass
084  public static void afterClass() throws Exception {
085    TEST_UTIL.shutdownMiniCluster();
086  }
087
088  @Before
089  public void before() throws Exception {
090    TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(TABLE_NAME);
091    builder.setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY));
092    admin.createTable(builder.build());
093    TEST_UTIL.waitTableAvailable(TABLE_NAME);
094    table = TEST_UTIL.getConnection().getTable(TABLE_NAME);
095  }
096
097  @After
098  public void after() throws Exception {
099    admin.disableTable(TABLE_NAME);
100    admin.deleteTable(TABLE_NAME);
101  }
102
103  @Test
104  public void testRegionWarmup() throws Exception {
105    List<HRegion> regions = new ArrayList<>();
106    for (JVMClusterUtil.RegionServerThread rsThread : TEST_UTIL.getHBaseCluster()
107      .getLiveRegionServerThreads()) {
108      HRegionServer rs = rsThread.getRegionServer();
109      if (rs.getOnlineTables().contains(TABLE_NAME)) {
110        regions.addAll(rs.getRegions(TABLE_NAME));
111      }
112    }
113    assertEquals("Table should only have one region", 1, regions.size());
114    HRegion region = regions.get(0);
115    HStore store = region.getStore(FAMILY);
116
117    writeDataAndFlush(3, region);
118    assertEquals(3, store.getStorefilesCount());
119
120    // Open a scanner and not close, then the storefile will be referenced
121    store.getScanner(new Scan(), null, 0);
122    region.compact(true);
123    assertEquals(1, store.getStorefilesCount());
124    // The compacted file should not be archived as there are references by user scanner
125    assertEquals(3, store.getStoreEngine().getStoreFileManager().getCompactedfiles().size());
126
127    HStore newStore = region.instantiateHStore(ColumnFamilyDescriptorBuilder.of(FAMILY), true);
128    // Should not archive the compacted storefiles when region warmup
129    assertEquals(4, newStore.getStorefilesCount());
130
131    newStore = region.instantiateHStore(ColumnFamilyDescriptorBuilder.of(FAMILY), false);
132    // Archived the compacted storefiles when region real open
133    assertEquals(1, newStore.getStorefilesCount());
134  }
135
136  private void writeDataAndFlush(int fileNum, HRegion region) throws Exception {
137    for (int i = 0; i < fileNum; i++) {
138      for (int j = 0; j < 100; j++) {
139        table.put(new Put(concat(ROW, j)).addColumn(FAMILY, QUALIFIER, concat(VALUE, j)));
140      }
141      region.flush(true);
142    }
143  }
144
145  private byte[] concat(byte[] base, int index) {
146    return Bytes.toBytes(Bytes.toString(base) + "-" + index);
147  }
148}