hbase-server/src/test/java/org/apache/hadoop/hbase/TestMetaUpdatesGoToPriorityQueue.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 package org.apache.hadoop.hbase;
  19
  20 import static org.junit.Assert.assertTrue;
  21
  22 import java.io.IOException;
  23 import java.util.Arrays;
  24 import java.util.List;
  25 import java.util.concurrent.CompletableFuture;
  26 import org.apache.hadoop.hbase.TestMetaTableAccessor.SpyingRpcScheduler;
  27 import org.apache.hadoop.hbase.TestMetaTableAccessor.SpyingRpcSchedulerFactory;
  28 import org.apache.hadoop.hbase.client.AsyncTable;
  29 import org.apache.hadoop.hbase.client.Delete;
  30 import org.apache.hadoop.hbase.client.Mutation;
  31 import org.apache.hadoop.hbase.client.Put;
  32 import org.apache.hadoop.hbase.client.RegionInfo;
  33 import org.apache.hadoop.hbase.client.RegionInfoBuilder;
  34 import org.apache.hadoop.hbase.regionserver.HRegionServer;
  35 import org.apache.hadoop.hbase.regionserver.RSRpcServices;
  36 import org.apache.hadoop.hbase.testclassification.MediumTests;
  37 import org.apache.hadoop.hbase.testclassification.MiscTests;
  38 import org.apache.hadoop.hbase.util.Bytes;
  39 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
  40 import org.apache.hadoop.hbase.util.FutureUtils;
  41 import org.junit.AfterClass;
  42 import org.junit.BeforeClass;
  43 import org.junit.ClassRule;
  44 import org.junit.Test;
  45 import org.junit.experimental.categories.Category;
  46
  47 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
  48 import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;
  49 import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos.MultiRowMutationService;
  50 import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos.MutateRowsRequest;
  51 import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos.MutateRowsResponse;
  52
  53 @Category({ MiscTests.class, MediumTests.class })
  54 public class TestMetaUpdatesGoToPriorityQueue {
  55
  56   @ClassRule
  57   public static final HBaseClassTestRule CLASS_RULE =
  58     HBaseClassTestRule.forClass(TestMetaUpdatesGoToPriorityQueue.class);
  59
  60   private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();
  61
  62   @BeforeClass
  63   public static void beforeClass() throws Exception {
  64     // This test has to be end-to-end, and do the verification from the server side
  65     UTIL.getConfiguration().set(RSRpcServices.REGION_SERVER_RPC_SCHEDULER_FACTORY_CLASS,
  66       SpyingRpcSchedulerFactory.class.getName());
  67     UTIL.startMiniCluster();
  68   }
  69
  70   @AfterClass
  71   public static void afterClass() throws Exception {
  72     UTIL.shutdownMiniCluster();
  73   }
  74
  75   private void multiMutate(byte[] row, List<Mutation> mutations) throws IOException {
  76     MutateRowsRequest.Builder builder = MutateRowsRequest.newBuilder();
  77     for (Mutation mutation : mutations) {
  78       if (mutation instanceof Put) {
  79         builder.addMutationRequest(
  80           ProtobufUtil.toMutation(ClientProtos.MutationProto.MutationType.PUT, mutation));
  81       } else if (mutation instanceof Delete) {
  82         builder.addMutationRequest(
  83           ProtobufUtil.toMutation(ClientProtos.MutationProto.MutationType.DELETE, mutation));
  84       } else {
  85         throw new DoNotRetryIOException(
  86           "multi in MetaEditor doesn't support " + mutation.getClass().getName());
  87       }
  88     }
  89     MutateRowsRequest request = builder.build();
  90     AsyncTable<?> table = UTIL.getAsyncConnection().getTable(TableName.META_TABLE_NAME);
  91     CompletableFuture<MutateRowsResponse> future =
  92       table.<MultiRowMutationService, MutateRowsResponse> coprocessorService(
  93         MultiRowMutationService::newStub,
  94         (stub, controller, done) -> stub.mutateRows(controller, request, done), row);
  95     FutureUtils.get(future);
  96   }
  97
  98   @Test
  99   public void test() throws IOException, InterruptedException {
 100     TableName tableName = TableName.valueOf(getClass().getSimpleName());
 101     // create a table and prepare for a manual split
 102     UTIL.createTable(tableName, "cf1");
 103     UTIL.waitTableAvailable(tableName);
 104     RegionInfo parent = UTIL.getAdmin().getRegions(tableName).get(0);
 105     long rid = 1000;
 106     byte[] splitKey = Bytes.toBytes("a");
 107     RegionInfo splitA =
 108       RegionInfoBuilder.newBuilder(parent.getTable()).setStartKey(parent.getStartKey())
 109         .setEndKey(splitKey).setSplit(false).setRegionId(rid).build();
 110     RegionInfo splitB = RegionInfoBuilder.newBuilder(parent.getTable()).setStartKey(splitKey)
 111       .setEndKey(parent.getEndKey()).setSplit(false).setRegionId(rid).build();
 112
 113     // find the meta server
 114     SingleProcessHBaseCluster cluster = UTIL.getMiniHBaseCluster();
 115     int rsIndex = cluster.getServerWithMeta();
 116     assertTrue(rsIndex >= 0);
 117     HRegionServer rs = cluster.getRegionServer(rsIndex);
 118     SpyingRpcScheduler scheduler = (SpyingRpcScheduler) rs.getRpcServer().getScheduler();
 119     long prevCalls = scheduler.numPriorityCalls;
 120     long time = EnvironmentEdgeManager.currentTime();
 121     Put putParent = MetaTableAccessor.makePutFromRegionInfo(
 122       RegionInfoBuilder.newBuilder(parent).setOffline(true).setSplit(true).build(), time);
 123     MetaTableAccessor.addDaughtersToPut(putParent, splitA, splitB);
 124     Put putA = MetaTableAccessor.makePutFromRegionInfo(splitA, time);
 125     Put putB = MetaTableAccessor.makePutFromRegionInfo(splitB, time);
 126     multiMutate(putParent.getRow(), Arrays.asList(putParent, putA, putB));
 127
 128     assertTrue(prevCalls < scheduler.numPriorityCalls);
 129   }
 130 }