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

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

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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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    // The block with modified GS won't be found. Has to be deleted
    blocks.get(0).setGenerationStamp(rand.nextLong());
    // This new block is unknown to NN and will be mark for deletion.
    blocks.add(new Block());
    DatanodeCommand dnCmd =
      cluster.getNameNode().blockReport(
        cluster.getDataNodes().get(DN_N0).dnRegistration,
        new BlockListAsLongs(blocks, null).getBlockListAsLongs());
    if(LOG.isDebugEnabled()) {
      LOG.debug("Got the command: " + dnCmd);
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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 > 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 (blockScanner != null) {
            blockScanner.addBlockPool(this.blockPoolId);
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            continue;
        }
           
        reportReceivedBlocks();

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

        // start block scanner
        if (blockScanner != null && blockScannerThread == null &&
            upgradeManager.isUpgradeCompleted()) {
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   * Report the list blocks to the Namenode
   * @throws IOException
   */
  private DatanodeCommand blockReport() throws IOException {
    // send block report
    DatanodeCommand cmd = null;
    long startTime = now();
    if (startTime - lastBlockReport > blockReportInterval) {
      //
      // Send latest block report if timer has expired.
      // Get back a list of local block(s) that are obsolete
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   */
  DatanodeCommand[] handleHeartbeat(DatanodeRegistration nodeReg,
      long capacity, long dfsUsed, long remaining,
      int xceiverCount, int xmitsInProgress, int failedVolumes)
      throws IOException {
    DatanodeCommand cmd = null;
    synchronized (heartbeats) {
      synchronized (datanodeMap) {
        DatanodeDescriptor nodeinfo = null;
        try {
          nodeinfo = getDatanode(nodeReg);
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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) {

      // Flush any block information that precedes the block report. Otherwise
      // we have a chance that we will miss the delHint information
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            || (startTime - lastDeletedReport > dnConf.deleteReportInterval)) {
          reportReceivedDeletedBlocks();
          lastDeletedReport = startTime;
        }

        DatanodeCommand cmd = blockReport();
        processCommand(new DatanodeCommand[]{ cmd });

        // Now safe to start scanning the block pool.
        // If it has already been started, this is a no-op.
        if (dn.blockScanner != null) {
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  • org.apache.hadoop.hdfs.NNThroughputBenchmark$TinyDatanode
  • org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB
  • org.apache.hadoop.hdfs.server.datanode.BPOfferService
  • org.apache.hadoop.hdfs.server.datanode.BPServiceActor
  • org.apache.hadoop.hdfs.server.datanode.DataNode
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  • org.apache.hadoop.hdfs.server.datanode.DataNode$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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