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.Assert.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.HBaseClassTestRule;
028import org.apache.hadoop.hbase.HBaseTestingUtil;
029import org.apache.hadoop.hbase.TableName;
030import org.apache.hadoop.hbase.client.Delete;
031import org.apache.hadoop.hbase.client.Put;
032import org.apache.hadoop.hbase.client.Table;
033import org.apache.hadoop.hbase.master.HMaster;
034import org.apache.hadoop.hbase.regionserver.HRegionServer;
035import org.apache.hadoop.hbase.regionserver.Region;
036import org.apache.hadoop.hbase.testclassification.MediumTests;
037import org.apache.hadoop.hbase.testclassification.RegionServerTests;
038import org.apache.hadoop.hbase.util.Bytes;
039import org.junit.After;
040import org.junit.Before;
041import org.junit.ClassRule;
042import org.junit.Test;
043import org.junit.experimental.categories.Category;
044
045import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
046import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
047
048import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;
049import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest;
050import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.GetLastFlushedSequenceIdRequest;
051
052@Category({ RegionServerTests.class, MediumTests.class })
053public class TestWALFiltering {
054
055  @ClassRule
056  public static final HBaseClassTestRule CLASS_RULE =
057    HBaseClassTestRule.forClass(TestWALFiltering.class);
058
059  private static final int NUM_RS = 4;
060
061  private static final TableName TABLE_NAME = TableName.valueOf("TestWALFiltering");
062  private static final byte[] CF1 = Bytes.toBytes("MyCF1");
063  private static final byte[] CF2 = Bytes.toBytes("MyCF2");
064  private static final byte[][] FAMILIES = { CF1, CF2 };
065
066  private HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
067
068  @Before
069  public void setUp() throws Exception {
070    TEST_UTIL.startMiniCluster(NUM_RS);
071    fillTable();
072  }
073
074  @After
075  public void tearDown() throws Exception {
076    TEST_UTIL.shutdownMiniCluster();
077  }
078
079  private void fillTable() throws IOException, InterruptedException {
080    Table table = TEST_UTIL.createTable(TABLE_NAME, FAMILIES, 3, Bytes.toBytes("row0"),
081      Bytes.toBytes("row99"), NUM_RS);
082    Random rand = new Random(19387129L);
083    for (int iStoreFile = 0; iStoreFile < 4; ++iStoreFile) {
084      for (int iRow = 0; iRow < 100; ++iRow) {
085        final byte[] row = Bytes.toBytes("row" + iRow);
086        Put put = new Put(row);
087        Delete del = new Delete(row);
088        for (int iCol = 0; iCol < 10; ++iCol) {
089          final byte[] cf = rand.nextBoolean() ? CF1 : CF2;
090          final long ts = Math.abs(rand.nextInt());
091          final byte[] qual = Bytes.toBytes("col" + iCol);
092          if (rand.nextBoolean()) {
093            final byte[] value =
094              Bytes.toBytes("value_for_row_" + iRow + "_cf_" + Bytes.toStringBinary(cf) + "_col_"
095                + iCol + "_ts_" + ts + "_random_" + rand.nextLong());
096            put.addColumn(cf, qual, ts, value);
097          } else if (rand.nextDouble() < 0.8) {
098            del.addColumn(cf, qual, ts);
099          } else {
100            del.addColumn(cf, qual, ts);
101          }
102        }
103        table.put(put);
104        table.delete(del);
105      }
106    }
107    TEST_UTIL.waitUntilAllRegionsAssigned(TABLE_NAME);
108  }
109
110  @Test
111  public void testFlushedSequenceIdsSentToHMaster() throws IOException, InterruptedException,
112    org.apache.hbase.thirdparty.com.google.protobuf.ServiceException, ServiceException {
113    SortedMap<byte[], Long> allFlushedSequenceIds = new TreeMap<>(Bytes.BYTES_COMPARATOR);
114    for (int i = 0; i < NUM_RS; ++i) {
115      flushAllRegions(i);
116    }
117    Thread.sleep(10000);
118    HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
119    for (int i = 0; i < NUM_RS; ++i) {
120      for (byte[] regionName : getRegionsByServer(i)) {
121        if (allFlushedSequenceIds.containsKey(regionName)) {
122          GetLastFlushedSequenceIdRequest req =
123            RequestConverter.buildGetLastFlushedSequenceIdRequest(regionName);
124
125          assertEquals((long) allFlushedSequenceIds.get(regionName), master.getMasterRpcServices()
126            .getLastFlushedSequenceId(null, req).getLastFlushedSequenceId());
127        }
128      }
129    }
130  }
131
132  private List<byte[]> getRegionsByServer(int rsId) throws IOException {
133    List<byte[]> regionNames = Lists.newArrayList();
134    HRegionServer hrs = getRegionServer(rsId);
135    for (Region r : hrs.getRegions(TABLE_NAME)) {
136      regionNames.add(r.getRegionInfo().getRegionName());
137    }
138    return regionNames;
139  }
140
141  private HRegionServer getRegionServer(int rsId) {
142    return TEST_UTIL.getMiniHBaseCluster().getRegionServer(rsId);
143  }
144
145  private void flushAllRegions(int rsId) throws ServiceException,
146    org.apache.hbase.thirdparty.com.google.protobuf.ServiceException, IOException {
147    HRegionServer hrs = getRegionServer(rsId);
148    for (byte[] regionName : getRegionsByServer(rsId)) {
149      FlushRegionRequest request = RequestConverter.buildFlushRegionRequest(regionName);
150      hrs.getRSRpcServices().flushRegion(null, request);
151    }
152  }
153
154}