Package org.apache.hadoop.hdfs.server.datanode

Examples of org.apache.hadoop.hdfs.server.datanode.SimulatedFSDataset.injectBlocks()

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    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(getNameNode().getNamespaceID(), blocksToInject);
    dataNodes.get(dataNodeIndex).datanode.scheduleNSBlockReport(0);
  }
 
  /**
   * This method is valid only if the data nodes have simulated data
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    // Inject blocks into an empty fsdataset
    //  - injecting the blocks we got above.
 
  
    SimulatedFSDataset sfsdataset = new SimulatedFSDataset(conf);
    sfsdataset.injectBlocks(DUMMY_NAMESPACE_ID, blockReport);
    blockReport = sfsdataset.getBlockReport(0);
    assertEquals(NUMBLOCKS, blockReport.length);
    for (Block b: blockReport) {
      assertNotNull(b);
      assertEquals(blockIdToLen(b.getBlockId()), b.getNumBytes());
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    bytesAdded += addSomeBlocks(sfsdataset, NUMBLOCKS+1);
    Block[] blockReport2 = sfsdataset.getBlockReport(0);
    assertEquals(NUMBLOCKS, blockReport.length);
    blockReport2 = sfsdataset.getBlockReport(0);
    assertEquals(NUMBLOCKS, blockReport.length);
    sfsdataset.injectBlocks(DUMMY_NAMESPACE_ID, blockReport);
    blockReport = sfsdataset.getBlockReport(0);
    assertEquals(NUMBLOCKS*2, blockReport.length);
    for (Block b: blockReport) {
      assertNotNull(b);
      assertEquals(blockIdToLen(b.getBlockId()), b.getNumBytes());
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    conf.setLong(SimulatedFSDataset.CONFIG_PROPERTY_CAPACITY, 10);
    try {
      sfsdataset = new SimulatedFSDataset(conf);
      sfsdataset.injectBlocks(DUMMY_NAMESPACE_ID, blockReport);
      assertTrue("Expected an IO exception", false);
    } catch (IOException e) {
      // ok - as expected
    }
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    }
    if (bpid == null) {
      bpid = getNamesystem().getBlockPoolId();
    }
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(bpid, blocksToInject);
    dataNodes.get(dataNodeIndex).datanode.scheduleAllBlockReport(0);
  }

  /**
   * Multiple-NameNode version of {@link #injectBlocks(Iterable[])}.
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    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    String bpid = getNamesystem(nameNodeIndex).getBlockPoolId();
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(bpid, blocksToInject);
    dataNodes.get(dataNodeIndex).datanode.scheduleAllBlockReport(0);
  }

  /**
   * Set the softLimit and hardLimit of client lease periods
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    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    String bpid = getNamesystem().getBlockPoolId();
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(bpid, blocksToInject);
    dataNodes.get(dataNodeIndex).datanode.scheduleAllBlockReport(0);
  }

  /**
   * Multiple-NameNode version of {@link #injectBlocks(Iterable[])}.
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    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    String bpid = getNamesystem(nameNodeIndex).getBlockPoolId();
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(bpid, blocksToInject);
    dataNodes.get(dataNodeIndex).datanode.scheduleAllBlockReport(0);
  }

  /**
   * This method is valid only if the data nodes have simulated data
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    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    String bpid = getNamesystem().getBlockPoolId();
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(bpid, blocksToInject);
    dataNodes.get(dataNodeIndex).datanode.scheduleAllBlockReport(0);
  }

  /**
   * Multiple-NameNode version of {@link #injectBlocks(Iterable[])}.
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    if (!(dataSet instanceof SimulatedFSDataset)) {
      throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
    }
    String bpid = getNamesystem(nameNodeIndex).getBlockPoolId();
    SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
    sdataset.injectBlocks(bpid, blocksToInject);
    dataNodes.get(dataNodeIndex).datanode.scheduleAllBlockReport(0);
  }

  /**
   * This method is valid only if the data nodes have simulated data
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