Package org.apache.hadoop.mapreduce.task

Examples of org.apache.hadoop.mapreduce.task.JobContextImpl

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  }

  @Test
  public void testPreserveStatus() {
    TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
    JobContext jobContext = new JobContextImpl(taskAttemptContext.getConfiguration(),
        taskAttemptContext.getTaskAttemptID().getJobID());
    Configuration conf = jobContext.getConfiguration();


    String sourceBase;
    String targetBase;
    FileSystem fs = null;
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  }

  @Test
  public void testDeleteMissing() {
    TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
    JobContext jobContext = new JobContextImpl(taskAttemptContext.getConfiguration(),
        taskAttemptContext.getTaskAttemptID().getJobID());
    Configuration conf = jobContext.getConfiguration();

    String sourceBase;
    String targetBase;
    FileSystem fs = null;
    try {
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  }

  @Test
  public void testDeleteMissingFlatInterleavedFiles() {
    TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
    JobContext jobContext = new JobContextImpl(taskAttemptContext.getConfiguration(),
        taskAttemptContext.getTaskAttemptID().getJobID());
    Configuration conf = jobContext.getConfiguration();


    String sourceBase;
    String targetBase;
    FileSystem fs = null;
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  }

  @Test
  public void testAtomicCommitMissingFinal() {
    TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
    JobContext jobContext = new JobContextImpl(taskAttemptContext.getConfiguration(),
        taskAttemptContext.getTaskAttemptID().getJobID());
    Configuration conf = jobContext.getConfiguration();

    String workPath = "/tmp1/" + String.valueOf(rand.nextLong());
    String finalPath = "/tmp1/" + String.valueOf(rand.nextLong());
    FileSystem fs = null;
    try {
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  }

  @Test
  public void testAtomicCommitExistingFinal() {
    TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
    JobContext jobContext = new JobContextImpl(taskAttemptContext.getConfiguration(),
        taskAttemptContext.getTaskAttemptID().getJobID());
    Configuration conf = jobContext.getConfiguration();


    String workPath = "/tmp1/" + String.valueOf(rand.nextLong());
    String finalPath = "/tmp1/" + String.valueOf(rand.nextLong());
    FileSystem fs = null;
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    };
  }

  @Override
  public org.apache.hadoop.mapreduce.JobContext newJobContext(Job job) {
    return new JobContextImpl(job.getConfiguration(), job.getJobID());
  }
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    Path listFile = new Path(cluster.getFileSystem().getUri().toString()
        + "/tmp/testGetSplits_1/fileList.seq");
    CopyListing.getCopyListing(configuration, CREDENTIALS, options).
        buildListing(listFile, options);

    JobContext jobContext = new JobContextImpl(configuration, new JobID());
    UniformSizeInputFormat uniformSizeInputFormat = new UniformSizeInputFormat();
    List<InputSplit> splits
            = uniformSizeInputFormat.getSplits(jobContext);

    List<InputSplit> legacySplits = legacyGetSplits(listFile, nMaps);

    int sizePerMap = totalFileSize/nMaps;

    checkSplits(listFile, splits);
    checkAgainstLegacy(splits, legacySplits);

    int doubleCheckedTotalSize = 0;
    int previousSplitSize = -1;
    for (int i=0; i<splits.size(); ++i) {
      InputSplit split = splits.get(i);
      int currentSplitSize = 0;
      RecordReader<Text, FileStatus> recordReader = uniformSizeInputFormat.createRecordReader(
              split, null);
      StubContext stubContext = new StubContext(jobContext.getConfiguration(),
                                                recordReader, 0);
      final TaskAttemptContext taskAttemptContext
         = stubContext.getContext();
      recordReader.initialize(split, taskAttemptContext);
      while (recordReader.nextKeyValue()) {
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        }

        checkTaskLimits();

        if (job.newApiCommitter) {
          job.jobContext = new JobContextImpl(job.conf,
              job.oldJobId);
        } else {
          job.jobContext = new org.apache.hadoop.mapred.JobContextImpl(
              job.conf, job.oldJobId);
        }
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      this.memoryPerMap = conf.getMemoryForMapTask();
      this.memoryPerReduce = conf.getMemoryForReduceTask();

      this.taskCompletionEvents = new ArrayList<TaskCompletionEvent>(
          numMapTasks + numReduceTasks + 10);
      JobContext jobContext = new JobContextImpl(conf, jobId);
      this.jobSetupCleanupNeeded = jobContext.getJobSetupCleanupNeeded();
      this.taskCleanupNeeded = jobContext.getTaskCleanupNeeded();

      // Construct the jobACLs
      status.setJobACLs(jobtracker.getJobACLsManager().constructJobACLs(conf));

      this.mapFailuresPercent = conf.getMaxMapTaskFailuresPercent();
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    }

    static public JobContext createJobContext(Configuration conf,
            JobID jobId) {
        if (conf instanceof JobConf) {
            return new JobContextImpl(new JobConf(conf), jobId);
        } else {
            return new JobContextImpl(conf, jobId);
        }
    }
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