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.wal;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021
022import java.io.IOException;
023import java.util.List;
024import java.util.Random;
025import java.util.SortedMap;
026import java.util.TreeMap;
027import org.apache.hadoop.hbase.HBaseTestingUtil;
028import org.apache.hadoop.hbase.TableName;
029import org.apache.hadoop.hbase.client.Delete;
030import org.apache.hadoop.hbase.client.Put;
031import org.apache.hadoop.hbase.client.Table;
032import org.apache.hadoop.hbase.master.HMaster;
033import org.apache.hadoop.hbase.regionserver.HRegionServer;
034import org.apache.hadoop.hbase.regionserver.Region;
035import org.apache.hadoop.hbase.testclassification.MediumTests;
036import org.apache.hadoop.hbase.testclassification.RegionServerTests;
037import org.apache.hadoop.hbase.util.Bytes;
038import org.junit.jupiter.api.AfterEach;
039import org.junit.jupiter.api.BeforeEach;
040import org.junit.jupiter.api.Tag;
041import org.junit.jupiter.api.Test;
042
043import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
044import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
045
046import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;
047import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest;
048import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.GetLastFlushedSequenceIdRequest;
049
050@Tag(RegionServerTests.TAG)
051@Tag(MediumTests.TAG)
052public class TestWALFiltering {
053
054  private static final int NUM_RS = 4;
055
056  private static final TableName TABLE_NAME = TableName.valueOf("TestWALFiltering");
057  private static final byte[] CF1 = Bytes.toBytes("MyCF1");
058  private static final byte[] CF2 = Bytes.toBytes("MyCF2");
059  private static final byte[][] FAMILIES = { CF1, CF2 };
060
061  private HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
062
063  @BeforeEach
064  public void setUp() throws Exception {
065    TEST_UTIL.startMiniCluster(NUM_RS);
066    fillTable();
067  }
068
069  @AfterEach
070  public void tearDown() throws Exception {
071    TEST_UTIL.shutdownMiniCluster();
072  }
073
074  private void fillTable() throws IOException, InterruptedException {
075    Table table = TEST_UTIL.createTable(TABLE_NAME, FAMILIES, 3, Bytes.toBytes("row0"),
076      Bytes.toBytes("row99"), NUM_RS);
077    Random rand = new Random(19387129L);
078    for (int iStoreFile = 0; iStoreFile < 4; ++iStoreFile) {
079      for (int iRow = 0; iRow < 100; ++iRow) {
080        final byte[] row = Bytes.toBytes("row" + iRow);
081        Put put = new Put(row);
082        Delete del = new Delete(row);
083        for (int iCol = 0; iCol < 10; ++iCol) {
084          final byte[] cf = rand.nextBoolean() ? CF1 : CF2;
085          final long ts = Math.abs(rand.nextInt());
086          final byte[] qual = Bytes.toBytes("col" + iCol);
087          if (rand.nextBoolean()) {
088            final byte[] value =
089              Bytes.toBytes("value_for_row_" + iRow + "_cf_" + Bytes.toStringBinary(cf) + "_col_"
090                + iCol + "_ts_" + ts + "_random_" + rand.nextLong());
091            put.addColumn(cf, qual, ts, value);
092          } else if (rand.nextDouble() < 0.8) {
093            del.addColumn(cf, qual, ts);
094          } else {
095            del.addColumn(cf, qual, ts);
096          }
097        }
098        table.put(put);
099        table.delete(del);
100      }
101    }
102    TEST_UTIL.waitUntilAllRegionsAssigned(TABLE_NAME);
103  }
104
105  @Test
106  public void testFlushedSequenceIdsSentToHMaster() throws IOException, InterruptedException,
107    org.apache.hbase.thirdparty.com.google.protobuf.ServiceException, ServiceException {
108    SortedMap<byte[], Long> allFlushedSequenceIds = new TreeMap<>(Bytes.BYTES_COMPARATOR);
109    for (int i = 0; i < NUM_RS; ++i) {
110      flushAllRegions(i);
111    }
112    Thread.sleep(10000);
113    HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
114    for (int i = 0; i < NUM_RS; ++i) {
115      for (byte[] regionName : getRegionsByServer(i)) {
116        if (allFlushedSequenceIds.containsKey(regionName)) {
117          GetLastFlushedSequenceIdRequest req =
118            RequestConverter.buildGetLastFlushedSequenceIdRequest(regionName);
119
120          assertEquals((long) allFlushedSequenceIds.get(regionName), master.getMasterRpcServices()
121            .getLastFlushedSequenceId(null, req).getLastFlushedSequenceId());
122        }
123      }
124    }
125  }
126
127  private List<byte[]> getRegionsByServer(int rsId) throws IOException {
128    List<byte[]> regionNames = Lists.newArrayList();
129    HRegionServer hrs = getRegionServer(rsId);
130    for (Region r : hrs.getRegions(TABLE_NAME)) {
131      regionNames.add(r.getRegionInfo().getRegionName());
132    }
133    return regionNames;
134  }
135
136  private HRegionServer getRegionServer(int rsId) {
137    return TEST_UTIL.getMiniHBaseCluster().getRegionServer(rsId);
138  }
139
140  private void flushAllRegions(int rsId) throws ServiceException,
141    org.apache.hbase.thirdparty.com.google.protobuf.ServiceException, IOException {
142    HRegionServer hrs = getRegionServer(rsId);
143    for (byte[] regionName : getRegionsByServer(rsId)) {
144      FlushRegionRequest request = RequestConverter.buildFlushRegionRequest(regionName);
145      hrs.getRSRpcServices().flushRegion(null, request);
146    }
147  }
148
149}