Examples of FSDatasetInterface

org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface
This is an interface for the underlying storage that stores blocks for a data node. Examples are the FSDataset (which stores blocks on dirs) and SimulatedFSDataset (which simulates data).

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

    assertEquals(bytesAdded, sfsdataset.getDfsUsed());
    assertEquals(sfsdataset.getCapacity()-bytesAdded, sfsdataset.getRemaining());
  }


  public void testInjectionNonEmpty() throws IOException {
    FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); 
    
    Block[] blockReport = fsdataset.getBlockReport();
    assertEquals(0, blockReport.length);
    int bytesAdded = addSomeBlocks(fsdataset);
    blockReport = fsdataset.getBlockReport();
    assertEquals(NUMBLOCKS, blockReport.length);
    for (Block b: blockReport) {
      assertNotNull(b);
      assertEquals(blockIdToLen(b.getBlockId()), b.getNumBytes());
    }

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

    }


  }


  public void checkInvalidBlock(Block b) throws IOException {
    FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); 
    assertFalse(fsdataset.isValidBlock(b));
    try {
      fsdataset.getLength(b);
      assertTrue("Expected an IO exception", false);
    } catch (IOException e) {
      // ok - as expected
    }
    
    try {
      fsdataset.getBlockInputStream(b);
      assertTrue("Expected an IO exception", false);
    } catch (IOException e) {
      // ok - as expected
    }
    
    try {
      fsdataset.finalizeBlock(b);
      assertTrue("Expected an IO exception", false);
    } catch (IOException e) {
      // ok - as expected
    }

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

    }
    
  }
  
  public void testInValidBlocks() throws IOException {
    FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); 
    Block b = new Block(1, 5, 0);
    checkInvalidBlock(b);
    
    // Now check invlaid after adding some blocks
    addSomeBlocks(fsdataset);

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

    checkInvalidBlock(b);
    
  }


  public void testInvalidate() throws IOException {
    FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); 
    int bytesAdded = addSomeBlocks(fsdataset);
    Block[] deleteBlocks = new Block[2];
    deleteBlocks[0] = new Block(1, 0, 0);
    deleteBlocks[1] = new Block(2, 0, 0);
    fsdataset.invalidate(deleteBlocks);
    checkInvalidBlock(deleteBlocks[0]);
    checkInvalidBlock(deleteBlocks[1]);
    long sizeDeleted = blockIdToLen(1) + blockIdToLen(2);
    assertEquals(bytesAdded-sizeDeleted, fsdataset.getDfsUsed());
    assertEquals(fsdataset.getCapacity()-bytesAdded+sizeDeleted,  fsdataset.getRemaining());
    
    
    
    // Now make sure the rest of the blocks are valid
    for (int i=3; i <= NUMBLOCKS; ++i) {
      Block b = new Block(i, 0, 0);
      assertTrue(fsdataset.isValidBlock(b));
    }
  }

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

   */
  public void injectBlocks(int dataNodeIndex, Block[] blocksToInject) throws IOException {
    if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) {
      throw new IndexOutOfBoundsException();
    }
    FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset();
    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(blocksToInject);

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

   */
  public void injectBlocks(int dataNodeIndex, Block[] blocksToInject) throws IOException {
    if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) {
      throw new IndexOutOfBoundsException();
    }
    FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset();
    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(blocksToInject);

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

   */
  public void injectBlocks(int dataNodeIndex, Block[] blocksToInject) throws IOException {
    if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) {
      throw new IndexOutOfBoundsException();
    }
    FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset();
    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(blocksToInject);

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

   */
  public void injectBlocks(int dataNodeIndex, Iterable<Block> blocksToInject) throws IOException {
    if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) {
      throw new IndexOutOfBoundsException();
    }
    FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset();
    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    String bpid = getNamesystem().getBlockPoolId();
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

  public void injectBlocks(int nameNodeIndex, int dataNodeIndex,
      Iterable<Block> blocksToInject) throws IOException {
    if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) {
      throw new IndexOutOfBoundsException();
    }
    FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset();
    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    String bpid = getNamesystem(nameNodeIndex).getBlockPoolId();
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;

View Full Code Here

Examples of org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface

   */
  public void injectBlocks(int dataNodeIndex, Iterable<Block> blocksToInject) throws IOException {
    if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) {
      throw new IndexOutOfBoundsException();
    }
    FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset();
    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(blocksToInject);

View Full Code Here

0 1 2 3 4 5

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.