Java Code Examples for org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol#DNA_SHUTDOWN

The following examples show how to use org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol#DNA_SHUTDOWN . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: PBHelper.java From hadoop with Apache License 2.0

5 votes

public static BlockCommandProto convert(BlockCommand cmd) {
  BlockCommandProto.Builder builder = BlockCommandProto.newBuilder()
      .setBlockPoolId(cmd.getBlockPoolId());
  switch (cmd.getAction()) {
  case DatanodeProtocol.DNA_TRANSFER:
    builder.setAction(BlockCommandProto.Action.TRANSFER);
    break;
  case DatanodeProtocol.DNA_INVALIDATE:
    builder.setAction(BlockCommandProto.Action.INVALIDATE);
    break;
  case DatanodeProtocol.DNA_SHUTDOWN:
    builder.setAction(BlockCommandProto.Action.SHUTDOWN);
    break;
  default:
    throw new AssertionError("Invalid action");
  }
  Block[] blocks = cmd.getBlocks();
  for (int i = 0; i < blocks.length; i++) {
    builder.addBlocks(PBHelper.convert(blocks[i]));
  }
  builder.addAllTargets(convert(cmd.getTargets()))
         .addAllTargetStorageUuids(convert(cmd.getTargetStorageIDs()));
  StorageType[][] types = cmd.getTargetStorageTypes();
  if (types != null) {
    builder.addAllTargetStorageTypes(convert(types));
  }
  return builder.build();
}

Example 2

Source File: PBHelper.java From big-c with Apache License 2.0

5 votes

public static BlockCommandProto convert(BlockCommand cmd) {
  BlockCommandProto.Builder builder = BlockCommandProto.newBuilder()
      .setBlockPoolId(cmd.getBlockPoolId());
  switch (cmd.getAction()) {
  case DatanodeProtocol.DNA_TRANSFER:
    builder.setAction(BlockCommandProto.Action.TRANSFER);
    break;
  case DatanodeProtocol.DNA_INVALIDATE:
    builder.setAction(BlockCommandProto.Action.INVALIDATE);
    break;
  case DatanodeProtocol.DNA_SHUTDOWN:
    builder.setAction(BlockCommandProto.Action.SHUTDOWN);
    break;
  default:
    throw new AssertionError("Invalid action");
  }
  Block[] blocks = cmd.getBlocks();
  for (int i = 0; i < blocks.length; i++) {
    builder.addBlocks(PBHelper.convert(blocks[i]));
  }
  builder.addAllTargets(convert(cmd.getTargets()))
         .addAllTargetStorageUuids(convert(cmd.getTargetStorageIDs()));
  StorageType[][] types = cmd.getTargetStorageTypes();
  if (types != null) {
    builder.addAllTargetStorageTypes(convert(types));
  }
  return builder.build();
}

Example 3

Source File: PBHelper.java From hadoop with Apache License 2.0

4 votes

public static DatanodeCommandProto convert(DatanodeCommand datanodeCommand) {
  DatanodeCommandProto.Builder builder = DatanodeCommandProto.newBuilder();
  if (datanodeCommand == null) {
    return builder.setCmdType(DatanodeCommandProto.Type.NullDatanodeCommand)
        .build();
  }
  switch (datanodeCommand.getAction()) {
  case DatanodeProtocol.DNA_BALANCERBANDWIDTHUPDATE:
    builder.setCmdType(DatanodeCommandProto.Type.BalancerBandwidthCommand)
        .setBalancerCmd(
            PBHelper.convert((BalancerBandwidthCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_ACCESSKEYUPDATE:
    builder
        .setCmdType(DatanodeCommandProto.Type.KeyUpdateCommand)
        .setKeyUpdateCmd(PBHelper.convert((KeyUpdateCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_RECOVERBLOCK:
    builder.setCmdType(DatanodeCommandProto.Type.BlockRecoveryCommand)
        .setRecoveryCmd(
            PBHelper.convert((BlockRecoveryCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_FINALIZE:
    builder.setCmdType(DatanodeCommandProto.Type.FinalizeCommand)
        .setFinalizeCmd(PBHelper.convert((FinalizeCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_REGISTER:
    builder.setCmdType(DatanodeCommandProto.Type.RegisterCommand)
        .setRegisterCmd(REG_CMD_PROTO);
    break;
  case DatanodeProtocol.DNA_TRANSFER:
  case DatanodeProtocol.DNA_INVALIDATE:
  case DatanodeProtocol.DNA_SHUTDOWN:
    builder.setCmdType(DatanodeCommandProto.Type.BlockCommand).
      setBlkCmd(PBHelper.convert((BlockCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_CACHE:
  case DatanodeProtocol.DNA_UNCACHE:
    builder.setCmdType(DatanodeCommandProto.Type.BlockIdCommand).
      setBlkIdCmd(PBHelper.convert((BlockIdCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_UNKNOWN: //Not expected
  default:
    builder.setCmdType(DatanodeCommandProto.Type.NullDatanodeCommand);
  }
  return builder.build();
}

Example 4

Source File: PBHelper.java From hadoop with Apache License 2.0

4 votes

public static BlockCommand convert(BlockCommandProto blkCmd) {
  List<BlockProto> blockProtoList = blkCmd.getBlocksList();
  Block[] blocks = new Block[blockProtoList.size()];
  for (int i = 0; i < blockProtoList.size(); i++) {
    blocks[i] = PBHelper.convert(blockProtoList.get(i));
  }
  List<DatanodeInfosProto> targetList = blkCmd.getTargetsList();
  DatanodeInfo[][] targets = new DatanodeInfo[targetList.size()][];
  for (int i = 0; i < targetList.size(); i++) {
    targets[i] = PBHelper.convert(targetList.get(i));
  }

  StorageType[][] targetStorageTypes = new StorageType[targetList.size()][];
  List<StorageTypesProto> targetStorageTypesList = blkCmd.getTargetStorageTypesList();
  if (targetStorageTypesList.isEmpty()) { // missing storage types
    for(int i = 0; i < targetStorageTypes.length; i++) {
      targetStorageTypes[i] = new StorageType[targets[i].length];
      Arrays.fill(targetStorageTypes[i], StorageType.DEFAULT);
    }
  } else {
    for(int i = 0; i < targetStorageTypes.length; i++) {
      List<StorageTypeProto> p = targetStorageTypesList.get(i).getStorageTypesList();
      targetStorageTypes[i] = convertStorageTypes(p, targets[i].length);
    }
  }

  List<StorageUuidsProto> targetStorageUuidsList = blkCmd.getTargetStorageUuidsList();
  String[][] targetStorageIDs = new String[targetStorageUuidsList.size()][];
  for(int i = 0; i < targetStorageIDs.length; i++) {
    List<String> storageIDs = targetStorageUuidsList.get(i).getStorageUuidsList();
    targetStorageIDs[i] = storageIDs.toArray(new String[storageIDs.size()]);
  }

  int action = DatanodeProtocol.DNA_UNKNOWN;
  switch (blkCmd.getAction()) {
  case TRANSFER:
    action = DatanodeProtocol.DNA_TRANSFER;
    break;
  case INVALIDATE:
    action = DatanodeProtocol.DNA_INVALIDATE;
    break;
  case SHUTDOWN:
    action = DatanodeProtocol.DNA_SHUTDOWN;
    break;
  default:
    throw new AssertionError("Unknown action type: " + blkCmd.getAction());
  }
  return new BlockCommand(action, blkCmd.getBlockPoolId(), blocks, targets,
      targetStorageTypes, targetStorageIDs);
}

Example 5

Source File: PBHelper.java From big-c with Apache License 2.0

4 votes

public static DatanodeCommandProto convert(DatanodeCommand datanodeCommand) {
  DatanodeCommandProto.Builder builder = DatanodeCommandProto.newBuilder();
  if (datanodeCommand == null) {
    return builder.setCmdType(DatanodeCommandProto.Type.NullDatanodeCommand)
        .build();
  }
  switch (datanodeCommand.getAction()) {
  case DatanodeProtocol.DNA_BALANCERBANDWIDTHUPDATE:
    builder.setCmdType(DatanodeCommandProto.Type.BalancerBandwidthCommand)
        .setBalancerCmd(
            PBHelper.convert((BalancerBandwidthCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_ACCESSKEYUPDATE:
    builder
        .setCmdType(DatanodeCommandProto.Type.KeyUpdateCommand)
        .setKeyUpdateCmd(PBHelper.convert((KeyUpdateCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_RECOVERBLOCK:
    builder.setCmdType(DatanodeCommandProto.Type.BlockRecoveryCommand)
        .setRecoveryCmd(
            PBHelper.convert((BlockRecoveryCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_FINALIZE:
    builder.setCmdType(DatanodeCommandProto.Type.FinalizeCommand)
        .setFinalizeCmd(PBHelper.convert((FinalizeCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_REGISTER:
    builder.setCmdType(DatanodeCommandProto.Type.RegisterCommand)
        .setRegisterCmd(REG_CMD_PROTO);
    break;
  case DatanodeProtocol.DNA_TRANSFER:
  case DatanodeProtocol.DNA_INVALIDATE:
  case DatanodeProtocol.DNA_SHUTDOWN:
    builder.setCmdType(DatanodeCommandProto.Type.BlockCommand).
      setBlkCmd(PBHelper.convert((BlockCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_CACHE:
  case DatanodeProtocol.DNA_UNCACHE:
    builder.setCmdType(DatanodeCommandProto.Type.BlockIdCommand).
      setBlkIdCmd(PBHelper.convert((BlockIdCommand) datanodeCommand));
    break;
  case DatanodeProtocol.DNA_UNKNOWN: //Not expected
  default:
    builder.setCmdType(DatanodeCommandProto.Type.NullDatanodeCommand);
  }
  return builder.build();
}

Example 6

Source File: PBHelper.java From big-c with Apache License 2.0

4 votes

public static BlockCommand convert(BlockCommandProto blkCmd) {
  List<BlockProto> blockProtoList = blkCmd.getBlocksList();
  Block[] blocks = new Block[blockProtoList.size()];
  for (int i = 0; i < blockProtoList.size(); i++) {
    blocks[i] = PBHelper.convert(blockProtoList.get(i));
  }
  List<DatanodeInfosProto> targetList = blkCmd.getTargetsList();
  DatanodeInfo[][] targets = new DatanodeInfo[targetList.size()][];
  for (int i = 0; i < targetList.size(); i++) {
    targets[i] = PBHelper.convert(targetList.get(i));
  }

  StorageType[][] targetStorageTypes = new StorageType[targetList.size()][];
  List<StorageTypesProto> targetStorageTypesList = blkCmd.getTargetStorageTypesList();
  if (targetStorageTypesList.isEmpty()) { // missing storage types
    for(int i = 0; i < targetStorageTypes.length; i++) {
      targetStorageTypes[i] = new StorageType[targets[i].length];
      Arrays.fill(targetStorageTypes[i], StorageType.DEFAULT);
    }
  } else {
    for(int i = 0; i < targetStorageTypes.length; i++) {
      List<StorageTypeProto> p = targetStorageTypesList.get(i).getStorageTypesList();
      targetStorageTypes[i] = convertStorageTypes(p, targets[i].length);
    }
  }

  List<StorageUuidsProto> targetStorageUuidsList = blkCmd.getTargetStorageUuidsList();
  String[][] targetStorageIDs = new String[targetStorageUuidsList.size()][];
  for(int i = 0; i < targetStorageIDs.length; i++) {
    List<String> storageIDs = targetStorageUuidsList.get(i).getStorageUuidsList();
    targetStorageIDs[i] = storageIDs.toArray(new String[storageIDs.size()]);
  }

  int action = DatanodeProtocol.DNA_UNKNOWN;
  switch (blkCmd.getAction()) {
  case TRANSFER:
    action = DatanodeProtocol.DNA_TRANSFER;
    break;
  case INVALIDATE:
    action = DatanodeProtocol.DNA_INVALIDATE;
    break;
  case SHUTDOWN:
    action = DatanodeProtocol.DNA_SHUTDOWN;
    break;
  default:
    throw new AssertionError("Unknown action type: " + blkCmd.getAction());
  }
  return new BlockCommand(action, blkCmd.getBlockPoolId(), blocks, targets,
      targetStorageTypes, targetStorageIDs);
}

Example 7

Source File: OfferService.java From RDFS with Apache License 2.0

4 votes

/**
 *
 * @param cmd
 * @return true if further processing may be required or false otherwise.
 * @throws IOException
 */
private boolean processCommand(DatanodeCommand cmd) throws IOException, InterruptedException {
  if (cmd == null)
    return true;
  final BlockCommand bcmd = cmd instanceof BlockCommand? (BlockCommand)cmd: null;

  boolean retValue = true;
  long startTime = System.currentTimeMillis();

  switch(cmd.getAction()) {
  case DatanodeProtocol.DNA_TRANSFER:
    // Send a copy of a block to another datanode
    anode.transferBlocks(servicePair.namespaceId, bcmd.getBlocks(), bcmd.getTargets());
    myMetrics.blocksReplicated.inc(bcmd.getBlocks().length);
    break;
  case DatanodeProtocol.DNA_INVALIDATE:
    //
    // Some local block(s) are obsolete and can be
    // safely garbage-collected.
    //
    Block toDelete[] = bcmd.getBlocks();
    try {
      if (anode.blockScanner != null) {
        //TODO temporary
        anode.blockScanner.deleteBlocks(servicePair.namespaceId, toDelete);
      }
      servicePair.removeReceivedBlocks(toDelete);
      data.invalidate(servicePair.namespaceId, toDelete);
    } catch(IOException e) {
      anode.checkDiskError();
      throw e;
    }
    myMetrics.blocksRemoved.inc(toDelete.length);
    break;
  case DatanodeProtocol.DNA_SHUTDOWN:
    // shut down the data node
    servicePair.shutdown();
    retValue = false;
    break;
  case DatanodeProtocol.DNA_REGISTER:
    // namenode requested a registration - at start or if NN lost contact
    LOG.info("AvatarDatanodeCommand action: DNA_REGISTER");
    if (shouldRun()) {
      servicePair.register(namenode, namenodeAddress);
      firstBlockReportSent = false;
      scheduleBlockReport(0);
    }
    break;
  case DatanodeProtocol.DNA_FINALIZE:
    anode.getStorage().finalizedUpgrade(servicePair.namespaceId);
    break;
  case UpgradeCommand.UC_ACTION_START_UPGRADE:
    // start distributed upgrade here
    servicePair.processUpgradeCommand((UpgradeCommand)cmd);
    break;
  case DatanodeProtocol.DNA_RECOVERBLOCK:
    anode.recoverBlocks(servicePair.namespaceId, bcmd.getBlocks(), bcmd.getTargets());
    break;
  case DatanodeProtocols.DNA_BACKOFF:
    // We can get a BACKOFF request as a response to a full block report.
    setBackoff(true);
    break;
  case DatanodeProtocols.DNA_CLEARPRIMARY:
    LOG.info("CLEAR PRIMARY requested by : " + this.avatarnodeAddress);
    retValue = clearPrimary();
    break;
  case DatanodeProtocols.DNA_RETRY:
    // We will get a RETRY request as a response to only a full block report.
    LOG.info(this.avatarnodeAddress + " has requested the retry of : "
        + bcmd.getBlocks().length + " blocks in response to a full block"
        + " report");
    // Retry the blocks that failed on the Standby.
    processFailedBlocks(bcmd.getBlocks(), bcmd.getBlocks().length);
    break;
  default:
    LOG.warn("Unknown DatanodeCommand action: " + cmd.getAction());
  }

  long endTime = System.currentTimeMillis();
  if (endTime - startTime > 1000) {
    LOG.info("processCommand() took " + (endTime - startTime)
             + " msec to process command " + cmd.getAction()
             + " from " + namenodeAddress);
  } else if (LOG.isDebugEnabled()) {
    LOG.debug("processCommand() took " + (endTime - startTime)
              + " msec to process command " + cmd.getAction()
              + " from " + namenodeAddress);
  }
  return retValue;
}

Example 8

Source File: DataNode.java From RDFS with Apache License 2.0

4 votes

/**
 *
 * @param cmd
 * @return true if further processing may be required or false otherwise.
 * @throws IOException
 */
private boolean processCommand(DatanodeCommand cmd) throws IOException {
  if (cmd == null)
    return true;
  final BlockCommand bcmd = cmd instanceof BlockCommand? (BlockCommand)cmd: null;

  boolean retValue = true;
  long startTime = System.currentTimeMillis();

  switch(cmd.getAction()) {
  case DatanodeProtocol.DNA_TRANSFER:
    // Send a copy of a block to another datanode
    transferBlocks(namespaceId,
        bcmd.getBlocks(), bcmd.getTargets());
    myMetrics.blocksReplicated.inc(bcmd.getBlocks().length);
    break;
  case DatanodeProtocol.DNA_INVALIDATE:
    //
    // Some local block(s) are obsolete and can be 
    // safely garbage-collected.
    //
    Block toDelete[] = bcmd.getBlocks();
    try {
      if (blockScanner != null) {
        blockScanner.deleteBlocks(namespaceId, toDelete);
      }        
      data.invalidate(namespaceId, toDelete);
    } catch(IOException e) {
      checkDiskError();
      throw e;
    }
    myMetrics.blocksRemoved.inc(toDelete.length);
    break;
  case DatanodeProtocol.DNA_SHUTDOWN:
    // shut down the data node
    shouldServiceRun = false;
    retValue = false;
    break;
  case DatanodeProtocol.DNA_REGISTER:
    // namenode requested a registration - at start or if NN lost contact
    LOG.info("DatanodeCommand action: DNA_REGISTER");
    if (shouldRun) {
      register();
      firstBlockReportSent = false;
    }
    break;
  case DatanodeProtocol.DNA_FINALIZE:
     storage.finalizedUpgrade(namespaceId);
    break;
  case UpgradeCommand.UC_ACTION_START_UPGRADE:
    // start distributed upgrade here
    processDistributedUpgradeCommand((UpgradeCommand)cmd);
    break;
  case DatanodeProtocol.DNA_RECOVERBLOCK:
    recoverBlocks(namespaceId, bcmd.getBlocks(), bcmd.getTargets());
    break;
  default:
    LOG.warn("Unknown DatanodeCommand action: " + cmd.getAction());
  }
  long endTime = System.currentTimeMillis();
  if (endTime - startTime > 1000) {
    LOG.info("processCommand() took " + (endTime - startTime)
        + " msec to process command " + cmd.getAction() + " from " + nnAddr);
  } else if (LOG.isDebugEnabled()) {
    LOG.debug("processCommand() took " + (endTime - startTime)
        + " msec to process command " + cmd.getAction() + " from " + nnAddr);
  }
  return retValue;
}

Example 9

Source File: DataNode.java From hadoop-gpu with Apache License 2.0

4 votes

/**
   * 
   * @param cmd
   * @return true if further processing may be required or false otherwise. 
   * @throws IOException
   */
private boolean processCommand(DatanodeCommand cmd) throws IOException {
  if (cmd == null)
    return true;
  final BlockCommand bcmd = cmd instanceof BlockCommand? (BlockCommand)cmd: null;

  switch(cmd.getAction()) {
  case DatanodeProtocol.DNA_TRANSFER:
    // Send a copy of a block to another datanode
    transferBlocks(bcmd.getBlocks(), bcmd.getTargets());
    myMetrics.blocksReplicated.inc(bcmd.getBlocks().length);
    break;
  case DatanodeProtocol.DNA_INVALIDATE:
    //
    // Some local block(s) are obsolete and can be 
    // safely garbage-collected.
    //
    Block toDelete[] = bcmd.getBlocks();
    try {
      if (blockScanner != null) {
        blockScanner.deleteBlocks(toDelete);
      }
      data.invalidate(toDelete);
    } catch(IOException e) {
      checkDiskError();
      throw e;
    }
    myMetrics.blocksRemoved.inc(toDelete.length);
    break;
  case DatanodeProtocol.DNA_SHUTDOWN:
    // shut down the data node
    this.shutdown();
    return false;
  case DatanodeProtocol.DNA_REGISTER:
    // namenode requested a registration - at start or if NN lost contact
    LOG.info("DatanodeCommand action: DNA_REGISTER");
    if (shouldRun) {
      register();
    }
    break;
  case DatanodeProtocol.DNA_FINALIZE:
    storage.finalizeUpgrade();
    break;
  case UpgradeCommand.UC_ACTION_START_UPGRADE:
    // start distributed upgrade here
    processDistributedUpgradeCommand((UpgradeCommand)cmd);
    break;
  case DatanodeProtocol.DNA_RECOVERBLOCK:
    recoverBlocks(bcmd.getBlocks(), bcmd.getTargets());
    break;
  default:
    LOG.warn("Unknown DatanodeCommand action: " + cmd.getAction());
  }
  return true;
}