Java 类org.apache.hadoop.hdfs.server.balancer.Dispatcher.DBlock 实例源码

项目：hadoop 文件：TestMover.java

@Test
public void testScheduleSameBlock() throws IOException {
  final Configuration conf = new HdfsConfiguration();
  final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
      .numDataNodes(4).build();
  try {
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final String file = "/testScheduleSameBlock/file";

    {
      final FSDataOutputStream out = dfs.create(new Path(file));
      out.writeChars("testScheduleSameBlock");
      out.close();
    }

    final Mover mover = newMover(conf);
    mover.init();
    final Mover.Processor processor = mover.new Processor();

    final LocatedBlock lb = dfs.getClient().getLocatedBlocks(file, 0).get(0);
    final List<MLocation> locations = MLocation.toLocations(lb);
    final MLocation ml = locations.get(0);
    final DBlock db = mover.newDBlock(lb.getBlock().getLocalBlock(), locations);

    final List<StorageType> storageTypes = new ArrayList<StorageType>(
        Arrays.asList(StorageType.DEFAULT, StorageType.DEFAULT));
    Assert.assertTrue(processor.scheduleMoveReplica(db, ml, storageTypes));
    Assert.assertFalse(processor.scheduleMoveReplica(db, ml, storageTypes));
  } finally {
    cluster.shutdown();
  }
}

项目：aliyun-oss-hadoop-fs 文件：TestMover.java

@Test
public void testScheduleSameBlock() throws IOException {
  final Configuration conf = new HdfsConfiguration();
  final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
      .numDataNodes(4).build();
  try {
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final String file = "/testScheduleSameBlock/file";

    {
      final FSDataOutputStream out = dfs.create(new Path(file));
      out.writeChars("testScheduleSameBlock");
      out.close();
    }

    final Mover mover = newMover(conf);
    mover.init();
    final Mover.Processor processor = mover.new Processor();

    final LocatedBlock lb = dfs.getClient().getLocatedBlocks(file, 0).get(0);
    final List<MLocation> locations = MLocation.toLocations(lb);
    final MLocation ml = locations.get(0);
    final DBlock db = mover.newDBlock(lb, locations, null);

    final List<StorageType> storageTypes = new ArrayList<StorageType>(
        Arrays.asList(StorageType.DEFAULT, StorageType.DEFAULT));
    Assert.assertTrue(processor.scheduleMoveReplica(db, ml, storageTypes));
    Assert.assertFalse(processor.scheduleMoveReplica(db, ml, storageTypes));
  } finally {
    cluster.shutdown();
  }
}

项目：big-c 文件：TestMover.java

@Test
public void testScheduleSameBlock() throws IOException {
  final Configuration conf = new HdfsConfiguration();
  final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
      .numDataNodes(4).build();
  try {
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final String file = "/testScheduleSameBlock/file";

    {
      final FSDataOutputStream out = dfs.create(new Path(file));
      out.writeChars("testScheduleSameBlock");
      out.close();
    }

    final Mover mover = newMover(conf);
    mover.init();
    final Mover.Processor processor = mover.new Processor();

    final LocatedBlock lb = dfs.getClient().getLocatedBlocks(file, 0).get(0);
    final List<MLocation> locations = MLocation.toLocations(lb);
    final MLocation ml = locations.get(0);
    final DBlock db = mover.newDBlock(lb.getBlock().getLocalBlock(), locations);

    final List<StorageType> storageTypes = new ArrayList<StorageType>(
        Arrays.asList(StorageType.DEFAULT, StorageType.DEFAULT));
    Assert.assertTrue(processor.scheduleMoveReplica(db, ml, storageTypes));
    Assert.assertFalse(processor.scheduleMoveReplica(db, ml, storageTypes));
  } finally {
    cluster.shutdown();
  }
}

项目：hadoop-2.6.0-cdh5.4.3 文件：TestMover.java

@Test
public void testScheduleSameBlock() throws IOException {
  final Configuration conf = new HdfsConfiguration();
  final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
      .numDataNodes(4).build();
  try {
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final String file = "/testScheduleSameBlock/file";

    {
      final FSDataOutputStream out = dfs.create(new Path(file));
      out.writeChars("testScheduleSameBlock");
      out.close();
    }

    final Mover mover = newMover(conf);
    mover.init();
    final Mover.Processor processor = mover.new Processor();

    final LocatedBlock lb = dfs.getClient().getLocatedBlocks(file, 0).get(0);
    final List<MLocation> locations = MLocation.toLocations(lb);
    final MLocation ml = locations.get(0);
    final DBlock db = mover.newDBlock(lb.getBlock().getLocalBlock(), locations);

    final List<StorageType> storageTypes = new ArrayList<StorageType>(
        Arrays.asList(StorageType.DEFAULT, StorageType.DEFAULT));
    Assert.assertTrue(processor.scheduleMoveReplica(db, ml, storageTypes));
    Assert.assertFalse(processor.scheduleMoveReplica(db, ml, storageTypes));
  } finally {
    cluster.shutdown();
  }
}

项目：FlexMap 文件：TestMover.java

@Test
public void testScheduleSameBlock() throws IOException {
  final Configuration conf = new HdfsConfiguration();
  final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
      .numDataNodes(4).build();
  try {
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final String file = "/testScheduleSameBlock/file";

    {
      final FSDataOutputStream out = dfs.create(new Path(file));
      out.writeChars("testScheduleSameBlock");
      out.close();
    }

    final Mover mover = newMover(conf);
    mover.init();
    final Mover.Processor processor = mover.new Processor();

    final LocatedBlock lb = dfs.getClient().getLocatedBlocks(file, 0).get(0);
    final List<MLocation> locations = MLocation.toLocations(lb);
    final MLocation ml = locations.get(0);
    final DBlock db = mover.newDBlock(lb.getBlock().getLocalBlock(), locations);

    final List<StorageType> storageTypes = new ArrayList<StorageType>(
        Arrays.asList(StorageType.DEFAULT, StorageType.DEFAULT));
    Assert.assertTrue(processor.scheduleMoveReplica(db, ml, storageTypes));
    Assert.assertFalse(processor.scheduleMoveReplica(db, ml, storageTypes));
  } finally {
    cluster.shutdown();
  }
}