Exemple #1
0
  @Override
  public void start() {
    // / Create the AMInfo for the current AppMaster
    if (amInfos == null) {
      amInfos = new LinkedList<AMInfo>();
    }
    AMInfo amInfo =
        DragonBuilderUtils.newAMInfo(
            appAttemptId, startTime, containerID, nmHost, nmPort, nmHttpPort);
    amInfos.add(amInfo);

    job = createJob(getConfig());

    // metrics system init is really init & start.
    // It's more test friendly to put it here.
    DefaultMetricsSystem.initialize("DragonAppMaster");

    // create a job event for job intialization
    JobEvent initJobEvent = new JobEvent(job.getID(), JobEventType.JOB_INIT);
    // Send init to the job (this does NOT trigger job execution)
    // This is a synchronous call, not an event through dispatcher. We want
    // job-init to be done completely here.
    jobEventDispatcher.handle(initJobEvent);

    super.start();

    // All components have started, start the job.
    startJobs();
  }
  /** Start listening for edits via RPC. */
  public void start() throws IOException {
    Preconditions.checkState(!isStarted(), "JN already running");

    validateAndCreateJournalDir(localDir);

    DefaultMetricsSystem.initialize("JournalNode");
    JvmMetrics.create(
        "JournalNode",
        conf.get(DFSConfigKeys.DFS_METRICS_SESSION_ID_KEY),
        DefaultMetricsSystem.instance());

    InetSocketAddress socAddr = JournalNodeRpcServer.getAddress(conf);
    SecurityUtil.login(
        conf,
        DFSConfigKeys.DFS_JOURNALNODE_KEYTAB_FILE_KEY,
        DFSConfigKeys.DFS_JOURNALNODE_USER_NAME_KEY,
        socAddr.getHostName());

    registerJNMXBean();

    httpServer = new JournalNodeHttpServer(conf, this);
    httpServer.start();

    rpcServer = new JournalNodeRpcServer(conf, this);
    rpcServer.start();
  }
  @SuppressWarnings("unchecked")
  @Override
  public void serviceStart() throws Exception {

    // start all the components
    startServices();
    super.serviceStart();

    this.state = DAGAppMasterState.IDLE;

    // metrics system init is really init & start.
    // It's more test friendly to put it here.
    DefaultMetricsSystem.initialize("DAGAppMaster");

    this.appsStartTime = clock.getTime();
    AMStartedEvent startEvent =
        new AMStartedEvent(appAttemptID, startTime, appsStartTime, appSubmitTime);
    dispatcher.getEventHandler().handle(new DAGHistoryEvent(startEvent));

    this.lastDAGCompletionTime = clock.getTime();

    if (!isSession) {
      startDAG();
    } else {
      LOG.info("In Session mode. Waiting for DAG over RPC");
      this.dagSubmissionTimer = new Timer(true);
      this.dagSubmissionTimer.scheduleAtFixedRate(
          new TimerTask() {
            @Override
            public void run() {
              checkAndHandleSessionTimeout();
            }
          },
          sessionTimeoutInterval,
          sessionTimeoutInterval / 10);
    }
  }
Exemple #4
0
  public static NameNode createNameNode(String argv[], Configuration conf) throws IOException {
    if (conf == null) {
      conf = new HdfsConfiguration();
    }
    StartupOption startOpt = parseArguments(argv);
    if (startOpt == null) {
      printUsage(System.err);
      return null;
    }
    setStartupOption(conf, startOpt);

    switch (startOpt) {
        // HOP
      case DROP_AND_CREATE_DB:
        { // delete everything other than inode and blocks table. this is tmp fix for safe mode
          dropAndCreateDB(conf);
          return null;
        }
      case FORMAT:
        {
          boolean aborted =
              format(conf, startOpt.getForceFormat(), startOpt.getInteractiveFormat());
          terminate(aborted ? 1 : 0);
          return null; // avoid javac warning
        }
      case GENCLUSTERID:
        {
          System.err.println("Generating new cluster id:");
          System.out.println(StorageInfo.newClusterID());
          terminate(0);
          return null;
        }
      case FINALIZE:
        {
          throw new UnsupportedOperationException("HOP: FINALIZE is not supported anymore");
        }
      case BOOTSTRAPSTANDBY:
        {
          throw new UnsupportedOperationException("HOP: BOOTSTRAPSTANDBY is not supported anymore");
        }
      case INITIALIZESHAREDEDITS:
        {
          throw new UnsupportedOperationException(
              "HOP: INITIALIZESHAREDEDITS is not supported anymore");
        }
      case BACKUP:
      case CHECKPOINT:
        {
          throw new UnsupportedOperationException(
              "HOP: BACKUP/CHECKPOINT is not supported anymore");
        }
      case RECOVER:
        {
          new UnsupportedOperationException("Hops. Metadata recovery is not supported");
          return null;
        }
      default:
        {
          DefaultMetricsSystem.initialize("NameNode");
          return new NameNode(conf);
        }
    }
  }