Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.ClusterStatus$BlackListInfo

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        }
        if (totalBytes != -1 &&
            numMaps > (int)(totalBytes / MIN_BYTES_PER_MAP)) {
          numMaps = (int) (totalBytes / MIN_BYTES_PER_MAP);
        }
        ClusterStatus cluster = client.getClusterStatus();
        int tmpMaps = cluster.getTaskTrackers() * MAX_MAPS_PER_NODE;
        if (numMaps > tmpMaps) {
            numMaps = tmpMaps;
        }
        if (numMaps == 0) {
            numMaps = 1;
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  /**
   * Return the status information about the Map-Reduce cluster
   */
  public ClusterStatus getClusterStatus() throws Exception {
    ClusterStatus cs;
    try {
      JobConf job = new JobConf(conf, ExecDriver.class);
      JobClient jc = new JobClient(job);
      cs = jc.getClusterStatus();
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
    LOG.info("Returning cluster status: " + cs.toString());
    return cs;
  }
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      }
      if (totalBytes != -1 &&
          numMaps > (int)(totalBytes / MIN_BYTES_PER_MAP)) {
        numMaps = (int) (totalBytes / MIN_BYTES_PER_MAP);
      }
      ClusterStatus cluster = client.getClusterStatus();
      int tmpMaps = cluster.getTaskTrackers() * MAX_MAPS_PER_NODE;
      if (numMaps > tmpMaps) {
        numMaps = tmpMaps;
      }
      if (numMaps == 0) {
        numMaps = 1;
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      if (numMaps > MAX_NUM_MAPS) { numMaps = MAX_NUM_MAPS; }
      if (numMaps > (int) (totalBytes / MIN_BYTES_PER_MAP)) {
        numMaps = (int) (totalBytes / MIN_BYTES_PER_MAP);
      }
      JobClient client = new JobClient(jobConf);
      ClusterStatus cluster = client.getClusterStatus();
      int tmpMaps = cluster.getTaskTrackers() * MAX_MAPS_PER_NODE;
      if (numMaps > tmpMaps) { numMaps = tmpMaps; }
      if (numMaps == 0) { numMaps = 1; }
      jobConf.setNumMapTasks(numMaps);
     
      for(int idx=0; idx < numMaps; ++idx) {
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      // amount of data per map.
      int nFiles = srcPaths.length;
      int numMaps = nFiles;
      if (numMaps > MAX_NUM_MAPS) { numMaps = MAX_NUM_MAPS; }
      JobClient client = new JobClient(jobConf);
      ClusterStatus cluster = client.getClusterStatus();
      int tmpMaps = cluster.getTaskTrackers() * MAX_MAPS_PER_NODE;
      if (numMaps > tmpMaps) { numMaps = tmpMaps; }
      if (numMaps == 0) { numMaps = 1; }
      jobConf.setNumMapTasks(numMaps);
     
      jobConf.setBoolean(readFailuresAttribute, ignoreReadFailures);
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  /**
   * Return the status information about the Map-Reduce cluster
   */
  public ClusterStatus getClusterStatus() throws Exception {
    ClusterStatus cs;
    try {
      JobConf job = new JobConf(conf, ExecDriver.class);
      JobClient jc = new JobClient(job);
      cs = jc.getClusterStatus();
    }
    catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
    LOG.info("Returning cluster status: " + cs.toString());
    return cs;
  }
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     * Return the status information about the Map-Reduce cluster
     */
    public HiveClusterStatus getClusterStatus() throws HiveServerException, TException {
      HiveClusterStatus hcs;
      try {
        ClusterStatus cs = driver.getClusterStatus();
        JobTracker.State jbs = cs.getJobTrackerState();
       
        // Convert the ClusterStatus to its Thrift equivalent: HiveClusterStatus
        int state;
        switch (jbs) {
          case INITIALIZING:
            state = JobTrackerState.INITIALIZING;
            break;
          case RUNNING:
            state = JobTrackerState.RUNNING;
            break;
          default:
            String errorMsg = "Unrecognized JobTracker state: " + jbs.toString();
            throw new Exception(errorMsg);
        }
       
        hcs = new HiveClusterStatus(
            cs.getTaskTrackers(),
            cs.getMapTasks(),
            cs.getReduceTasks(),
            cs.getMaxMapTasks(),
            cs.getMaxReduceTasks(),
            state);
      }
      catch (Exception e) {
        LOG.error(e.toString());
        e.printStackTrace();
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      HiveClusterStatus hcs;
      try {
        Driver drv = new Driver();
        drv.init();

        ClusterStatus cs = drv.getClusterStatus();
        JobTrackerState state = JobTrackerState.valueOf(ShimLoader.getHadoopShims().getJobTrackerState(cs).name());

        hcs = new HiveClusterStatus(cs.getTaskTrackers(), cs.getMapTasks(), cs
            .getReduceTasks(), cs.getMaxMapTasks(), cs.getMaxReduceTasks(),
            state);
      } catch (Exception e) {
        LOG.error(e.toString());
        e.printStackTrace();
        HiveServerException ex = new HiveServerException();
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  /**
   * Return the status information about the Map-Reduce cluster
   */
  public ClusterStatus getClusterStatus() throws Exception {
    ClusterStatus cs;
    try {
      JobConf job = new JobConf(conf, ExecDriver.class);
      JobClient jc = new JobClient(job);
      cs = jc.getClusterStatus();
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
    LOG.info("Returning cluster status: " + cs.toString());
    return cs;
  }
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    }
   
    Path outDir = new Path(args[0]);
    Configuration conf = getConf();
    JobClient client = new JobClient(conf);
    ClusterStatus cluster = client.getClusterStatus();
    int numMapsPerHost = conf.getInt(MAPS_PER_HOST, 10);
    long numBytesToWritePerMap = conf.getLong(BYTES_PER_MAP,
                                             1*1024*1024*1024);
    if (numBytesToWritePerMap == 0) {
      System.err.println("Cannot have" + BYTES_PER_MAP + " set to 0");
      return -2;
    }
    long totalBytesToWrite = conf.getLong(TOTAL_BYTES,
         numMapsPerHost*numBytesToWritePerMap*cluster.getTaskTrackers());
    int numMaps = (int) (totalBytesToWrite / numBytesToWritePerMap);
    if (numMaps == 0 && totalBytesToWrite > 0) {
      numMaps = 1;
      conf.setLong(BYTES_PER_MAP, totalBytesToWrite);
    }
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