Package org.apache.hadoop.hdfs.server.protocol

Examples of org.apache.hadoop.hdfs.server.protocol.DatanodeCommand

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  }

  @Override
  public CacheReportResponseProto cacheReport(RpcController controller,
      CacheReportRequestProto request) throws ServiceException {
    DatanodeCommand cmd = null;
    try {
      cmd = impl.cacheReport(
          PBHelper.convert(request.getRegistration()),
          request.getBlockPoolId(),
          request.getBlocksList());
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      if (cmds != null) {
        return cmds;
      }

      //check distributed upgrade
      DatanodeCommand cmd = upgradeManager.getBroadcastCommand();
      if (cmd != null) {
        return new DatanodeCommand[] {cmd};
      }
      return null;
    } finally {
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   * Report the list blocks to the Namenode
   * @throws IOException
   */
  DatanodeCommand blockReport() throws IOException {
    // send block report if timer has expired.
    DatanodeCommand cmd = null;
    long startTime = now();
    if (startTime - lastBlockReport > dnConf.blockReportInterval) {

      // Create block report
      long brCreateStartTime = now();
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          }
        }

        reportReceivedBlocks();

        DatanodeCommand cmd = blockReport();
        processCommand(cmd);

        // Now safe to start scanning the block pool
        if (dn.blockScanner != null) {
          dn.blockScanner.addBlockPool(this.getBlockPoolId());
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          long brCreateStartTime = now();
          Block[] bReport = data.getBlockReport();
         
          // Send block report
          long brSendStartTime = now();
          DatanodeCommand cmd = namenode.blockReport(dnRegistration,
                  BlockListAsLongs.convertToArrayLongs(bReport));
         
          // Log the block report processing stats from Datanode perspective
          long brSendCost = now() - brSendStartTime;
          long brCreateCost = brSendStartTime - brCreateStartTime;
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   * @throws IOException
   */
  DatanodeCommand[] handleHeartbeat(DatanodeRegistration nodeReg,
      long capacity, long dfsUsed, long remaining,
      int xceiverCount, int xmitsInProgress) throws IOException {
    DatanodeCommand cmd = null;
    synchronized (heartbeats) {
      synchronized (datanodeMap) {
        DatanodeDescriptor nodeinfo = null;
        try {
          nodeinfo = getDatanode(nodeReg);
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   * @throws IOException
   */
  DatanodeCommand[] handleHeartbeat(DatanodeRegistration nodeReg,
      long capacity, long dfsUsed, long remaining,
      int xceiverCount, int xmitsInProgress) throws IOException {
    DatanodeCommand cmd = null;
    synchronized (heartbeats) {
      synchronized (datanodeMap) {
        DatanodeDescriptor nodeinfo = null;
        try {
          nodeinfo = getDatanode(nodeReg);
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            long brCreateStartTime = now();
            Block[] bReport = data.retrieveAsyncBlockReport();
           
            // Send block report
            long brSendStartTime = now();
            DatanodeCommand cmd = namenode.blockReport(dnRegistration,
                    BlockListAsLongs.convertToArrayLongs(bReport));
           
            // Log the block report processing stats from Datanode perspective
            long brSendCost = now() - brSendStartTime;
            long brCreateCost = brSendStartTime - brCreateStartTime;
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            long brCreateStartTime = now();
            Block[] bReport = data.retrieveAsyncBlockReport();
           
            // Send block report
            long brSendStartTime = now();
            DatanodeCommand cmd = namenode.blockReport(dnRegistration,
                    BlockListAsLongs.convertToArrayLongs(bReport));
           
            // Log the block report processing stats from Datanode perspective
            long brSendCost = now() - brSendStartTime;
            long brCreateCost = brSendStartTime - brCreateStartTime;
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   * @throws IOException
   */
  DatanodeCommand[] handleHeartbeat(DatanodeRegistration nodeReg,
      long capacity, long dfsUsed, long remaining,
      int xceiverCount, int xmitsInProgress) throws IOException {
    DatanodeCommand cmd = null;
    synchronized (heartbeats) {
      synchronized (datanodeMap) {
        DatanodeDescriptor nodeinfo = null;
        try {
          nodeinfo = getDatanode(nodeReg);
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Related Classes of org.apache.hadoop.hdfs.server.protocol.DatanodeCommand

  • org.apache.hadoop.hdfs.NNThroughputBenchmark$TinyDatanode
  • org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB
  • org.apache.hadoop.hdfs.server.datanode.BPOfferService
  • org.apache.hadoop.hdfs.server.datanode.BPServiceActor
  • org.apache.hadoop.hdfs.server.datanode.DataNode
  • org.apache.hadoop.hdfs.server.datanode.DataNode$BPOfferService
  • org.apache.hadoop.hdfs.server.datanode.DataNode$NSOfferService
  • org.apache.hadoop.hdfs.server.datanode.OfferService
  • org.apache.hadoop.hdfs.server.datanode.TestBlockReport
  • org.apache.hadoop.hdfs.server.namenode.AvatarNode
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