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

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

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    }
    UpgradeObjectNamenode curUO = (UpgradeObjectNamenode)currentUpgrades.first();
    if(command.getVersion() != curUO.getVersion())
      throw new IncorrectVersionException(command.getVersion(),
          "UpgradeCommand", curUO.getVersion());
    UpgradeCommand reply = curUO.processUpgradeCommand(command);
    if(curUO.getUpgradeStatus() < 100) {
      return reply;
    }
    // current upgrade is done
    curUO.completeUpgrade();
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   * Data-nodes finish upgrade at different times.
   * The data-node needs to re-confirm with the name-node that the upgrade
   * is complete while other nodes are still upgrading.
   */
  public UpgradeCommand completeUpgrade() throws IOException {
    return new UpgradeCommand(UpgradeCommand.UC_ACTION_REPORT_STATUS,
                              getVersion(), (short)100);
  }
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      action = UpgradeCommand.UC_ACTION_REPORT_STATUS;
      break;
    case START_UPGRADE:
      action = UpgradeCommand.UC_ACTION_START_UPGRADE;
    }
    return new UpgradeCommand(action, upgradeCmd.getVersion(),
        (short) upgradeCmd.getUpgradeStatus());
  }
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  }

  @Override
  public ProcessUpgradeResponseProto processUpgrade(RpcController controller,
      ProcessUpgradeRequestProto request) throws ServiceException {
    UpgradeCommand ret;
    try {
      UpgradeCommand cmd = request.hasCmd() ? PBHelper
          .convert(request.getCmd()) : null;
      ret = impl.processUpgradeCommand(cmd);
    } catch (IOException e) {
      throw new ServiceException(e);
    }
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   * Data-nodes finish upgrade at different times.
   * The data-node needs to re-confirm with the name-node that the upgrade
   * is complete while other nodes are still upgrading.
   */
  public UpgradeCommand completeUpgrade() throws IOException {
    return new UpgradeCommand(UpgradeCommand.UC_ACTION_REPORT_STATUS,
                              getVersion(), (short)100);
  }
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  }

  public void doUpgrade() throws IOException {
    this.status = (short)100;
    getDatanode().namenode.processUpgradeCommand(
        new UpgradeCommand(UpgradeCommand.UC_ACTION_REPORT_STATUS,
            getVersion(), getUpgradeStatus()));
  }
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    }
    UpgradeObjectNamenode curUO = (UpgradeObjectNamenode)currentUpgrades.first();
    if(command.getVersion() != curUO.getVersion())
      throw new IncorrectVersionException(command.getVersion(),
          "UpgradeCommand", curUO.getVersion());
    UpgradeCommand reply = curUO.processUpgradeCommand(command);
    if(curUO.getUpgradeStatus() < 100) {
      return reply;
    }
    // current upgrade is done
    curUO.completeUpgrade();
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  public void doUpgrade() throws IOException {
    this.status = (short)100;
    DatanodeProtocol nn = getNamenode();
    nn.processUpgradeCommand(
        new UpgradeCommand(UpgradeCommand.UC_ACTION_REPORT_STATUS,
            getVersion(), getUpgradeStatus()));
  }
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  }

  public void doUpgrade() throws IOException {
    this.status = (short)100;
    getDatanode().namenode.processUpgradeCommand(
        new UpgradeCommand(UpgradeCommand.UC_ACTION_REPORT_STATUS,
            getVersion(), getUpgradeStatus()));
  }
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  /**
   */
  public UpgradeCommand startUpgrade() throws IOException {
    // broadcast that data-nodes must start the upgrade
    return new UpgradeCommand(UpgradeCommand.UC_ACTION_START_UPGRADE,
                              getVersion(), (short)0);
  }
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Related Classes of org.apache.hadoop.hdfs.server.protocol.UpgradeCommand

  • org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB
  • org.apache.hadoop.hdfs.protocolPB.PBHelper
  • org.apache.hadoop.hdfs.server.common.UO_Datanode
  • org.apache.hadoop.hdfs.server.datanode.UpgradeObjectDatanode
  • org.apache.hadoop.hdfs.server.namenode.UpgradeManagerNamenode
  • org.apache.hadoop.hdfs.server.namenode.UpgradeObjectNamenode
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