Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.JobClient$NetworkedJob

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        ActionExecutorContext context = new ActionXCommand.ActionExecutorContext(job, action, false, false);
        MapReduceActionExecutor actionExecutor = new MapReduceActionExecutor();
        JobConf conf = actionExecutor.createBaseHadoopConf(context, XmlUtils.parseXml(action.getConf()));
        String user = conf.get("user.name");
        String group = conf.get("group.name");
        JobClient jobClient = Services.get().get(HadoopAccessorService.class).createJobClient(user, conf);

        String launcherId = action.getExternalId();

        final RunningJob launcherJob = jobClient.getJob(JobID.forName(launcherId));

        waitFor(240 * 1000, new Predicate() {
            public boolean evaluate() throws Exception {
                return launcherJob.isComplete();
            }
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        }
        String jobTracker = conf.get("mapred.job.tracker");
        validateJobTracker(jobTracker);
        try {
            UserGroupInformation ugi = getUGI(user);
            JobClient jobClient = ugi.doAs(new PrivilegedExceptionAction<JobClient>() {
                public JobClient run() throws Exception {
                    return new JobClient(conf);
                }
            });
            Token<DelegationTokenIdentifier> mrdt = jobClient.getDelegationToken(new Text("mr token"));
            conf.getCredentials().addToken(new Text("mr token"), mrdt);
            return jobClient;
        }
        catch (InterruptedException ex) {
            throw new HadoopAccessorException(ErrorCode.E0902, ex);
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        JobConf jobConf = Services.get().get(HadoopAccessorService.class).createJobConf(jobTracker);
        XConfiguration.copy(conf, jobConf);
        String user = jobConf.get("user.name");
        String group = jobConf.get("group.name");
        JobClient jobClient = Services.get().get(HadoopAccessorService.class).createJobClient(user, jobConf);
        final RunningJob runningJob = jobClient.getJob(JobID.forName(jobId));
        assertNotNull(runningJob);
        return runningJob;
    }
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   * @param job
   * @return true for success
   * @throws IOException
   */
  public static boolean runJob(JobConf job) throws IOException {
    JobClient jc = new JobClient(job);
    boolean sucess = true;
    RunningJob running = null;
    try {
      running = jc.submitJob(job);
      String jobId = running.getJobID();
      System.out.println("Job " + jobId + " is submitted");
      while (!running.isComplete()) {
        System.out.println("Job " + jobId + " is still running.");
        try {
          Thread.sleep(60000);
        } catch (InterruptedException e) {
        }
        running = jc.getJob(jobId);
      }
      sucess = running.isSuccessful();
    } finally {
      if (!sucess && (running != null)) {
        running.killJob();
      }
      jc.close();
    }
    return sucess;
  }
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      throws IOException {
    // from RandomWriter
    job.setInputFormat(RandomInputFormat.class);
    job.setMapperClass(RandomMapOutput.class);

    final ClusterStatus cluster = new JobClient(job).getClusterStatus();
    int numMapsPerHost = job.getInt("test.randomtextwrite.maps_per_host", 10);
    long numBytesToWritePerMap =
      job.getLong("test.randomtextwrite.bytes_per_map", 1*1024*1024*1024);
    if (numBytesToWritePerMap == 0) {
      throw new IOException(
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  }

  public static Token<org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier> getJobTrackerDelegationToken(
    Configuration conf, String userName) throws Exception {
    // LOG.info("getJobTrackerDelegationToken("+conf+","+userName+")");
    JobClient jcl = new JobClient(new JobConf(conf, HCatOutputFormat.class));
    Token<org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier> t = jcl
      .getDelegationToken(new Text(userName));
    // LOG.info("got "+t);
    return t;

    // return null;
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  }

  public static Token<org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier> getJobTrackerDelegationToken(
    Configuration conf, String userName) throws Exception {
    // LOG.info("getJobTrackerDelegationToken("+conf+","+userName+")");
    JobClient jcl = new JobClient(new JobConf(conf, HCatOutputFormat.class));
    Token<org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier> t = jcl
      .getDelegationToken(new Text(userName));
    // LOG.info("got "+t);
    return t;

    // return null;
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      // logs
      String pwd = HiveConf.getVar(job, HiveConf.ConfVars.METASTOREPWD);
      if (pwd != null) {
        HiveConf.setVar(job, HiveConf.ConfVars.METASTOREPWD, "HIVE");
      }
      JobClient jc = new JobClient(job);

      String addedJars = Utilities.getResourceFiles(job, SessionState.ResourceType.JAR);
      if (!addedJars.isEmpty()) {
        job.set("tmpjars", addedJars);
      }

      // make this client wait if job trcker is not behaving well.
      Throttle.checkJobTracker(job, LOG);

      // Finally SUBMIT the JOB!
      rj = jc.submitJob(job);

      returnVal = jobExecHelper.progress(rj, jc);
      success = (returnVal == 0);

    } catch (Exception e) {
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   */
  public ClusterStatus getClusterStatus() throws Exception {
    ClusterStatus cs;
    try {
      JobConf job = new JobConf(conf);
      JobClient jc = new JobClient(job);
      cs = jc.getClusterStatus();
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
    LOG.info("Returning cluster status: " + cs.toString());
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  private void addJTDelegationToken(JobConf job) throws IOException {
    // Get jobTracker delegation token if security is enabled
    // we need to launch the ImportSequenceFile job
    if (User.isSecurityEnabled()) {
      JobClient jobClient = new JobClient(new JobConf(job));
      try {
        job.getCredentials().addToken(new Text("my mr token"),
          jobClient.getDelegationToken(null));
      } catch (InterruptedException e) {
        throw new IOException("Error while getting JT delegation token", e);
      }
    }
  }
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