Package org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos

Examples of org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status

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              ackRecvNanoTime = System.nanoTime();
              if (LOG.isDebugEnabled()) {
                LOG.debug(myString + " got " + ack);
              }
              // Process an OOB ACK.
              Status oobStatus = ack.getOOBStatus();
              if (oobStatus != null) {
                LOG.info("Relaying an out of band ack of type " + oobStatus);
                sendAckUpstream(ack, PipelineAck.UNKOWN_SEQNO, 0L, 0L,
                    Status.SUCCESS);
                continue;
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    DataInputStream mirrorIn = null;    // reply from next target
    Socket mirrorSock = null;           // socket to next target
    BlockReceiver blockReceiver = null; // responsible for data handling
    String mirrorNode = null;           // the name:port of next target
    String firstBadLink = "";           // first datanode that failed in connection setup
    Status mirrorInStatus = SUCCESS;
    try {
      if (isDatanode ||
          stage != BlockConstructionStage.PIPELINE_CLOSE_RECOVERY) {
        // open a block receiver
        blockReceiver = new BlockReceiver(block, in,
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      return;
    }

    Socket proxySock = null;
    DataOutputStream proxyOut = null;
    Status opStatus = SUCCESS;
    String errMsg = null;
    BlockReceiver blockReceiver = null;
    DataInputStream proxyReply = null;
   
    try {
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    // connects to the first datanode in the pipeline
    // Returns true if success, otherwise return failure.
    //
    private boolean createBlockOutputStream(DatanodeInfo[] nodes, long newGS,
        boolean recoveryFlag) {
      Status pipelineStatus = SUCCESS;
      String firstBadLink = "";
      if (DFSClient.LOG.isDebugEnabled()) {
        for (int i = 0; i < nodes.length; i++) {
          DFSClient.LOG.debug("pipeline = " + nodes[i]);
        }
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            }
           
            long seqno = ack.getSeqno();
            // processes response status from datanodes.
            for (int i = ack.getNumOfReplies()-1; i >=0  && dfsClient.clientRunning; i--) {
              final Status reply = ack.getReply(i);
              if (reply != SUCCESS) {
                errorIndex = i; // first bad datanode
                throw new IOException("Bad response " + reply +
                    " for block " + block +
                    " from datanode " +
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  @Override
  public void releaseShortCircuitFds(SlotId slotId) throws IOException {
    boolean success = false;
    try {
      String error;
      Status status;
      try {
        datanode.shortCircuitRegistry.unregisterSlot(slotId);
        error = null;
        status = Status.SUCCESS;
      } catch (UnsupportedOperationException e) {
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    DataInputStream mirrorIn = null;    // reply from next target
    Socket mirrorSock = null;           // socket to next target
    BlockReceiver blockReceiver = null; // responsible for data handling
    String mirrorNode = null;           // the name:port of next target
    String firstBadLink = "";           // first datanode that failed in connection setup
    Status mirrorInStatus = SUCCESS;
    final String storageUuid;
    try {
      if (isDatanode ||
          stage != BlockConstructionStage.PIPELINE_CLOSE_RECOVERY) {
        // open a block receiver
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      return;
    }

    Socket proxySock = null;
    DataOutputStream proxyOut = null;
    Status opStatus = SUCCESS;
    String errMsg = null;
    BlockReceiver blockReceiver = null;
    DataInputStream proxyReply = null;
   
    try {
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      if (nodes.length == 0) {
        DFSClient.LOG.info("nodes are empty for write pipeline of block "
            + block);
        return false;
      }
      Status pipelineStatus = SUCCESS;
      String firstBadLink = "";
      boolean checkRestart = false;
      if (DFSClient.LOG.isDebugEnabled()) {
        for (int i = 0; i < nodes.length; i++) {
          DFSClient.LOG.debug("pipeline = " + nodes[i]);
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            }

            long seqno = ack.getSeqno();
            // processes response status from datanodes.
            for (int i = ack.getNumOfReplies()-1; i >=0  && dfsClient.clientRunning; i--) {
              final Status reply = ack.getReply(i);
              // Restart will not be treated differently unless it is
              // the local node or the only one in the pipeline.
              if (PipelineAck.isRestartOOBStatus(reply) &&
                  shouldWaitForRestart(i)) {
                restartDeadline = dfsClient.getConf().datanodeRestartTimeout +
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Related Classes of org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status

  • org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer
  • org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer$ResponseProcessor
  • org.apache.hadoop.hdfs.server.datanode.BlockReceiver$PacketResponder
  • org.apache.hadoop.hdfs.server.datanode.DataXceiver
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