Package org.apache.hadoop.mapreduce.task

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

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  public void testEmptyOutput() throws Exception {
    Job job = Job.getInstance();
    FileOutputFormat.setOutputPath(job, outDir);
    Configuration conf = job.getConfiguration();
    conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
    JobContext jContext = new JobContextImpl(conf, taskID.getJobID());
    TaskAttemptContext tContext = new TaskAttemptContextImpl(conf, taskID);
    FileOutputCommitter committer = new FileOutputCommitter(outDir, tContext);

    // setup
    committer.setupJob(jContext);
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  public void testAbort() throws IOException, InterruptedException {
    Job job = Job.getInstance();
    FileOutputFormat.setOutputPath(job, outDir);
    Configuration conf = job.getConfiguration();
    conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
    JobContext jContext = new JobContextImpl(conf, taskID.getJobID());
    TaskAttemptContext tContext = new TaskAttemptContextImpl(conf, taskID);
    FileOutputCommitter committer = new FileOutputCommitter(outDir, tContext);

    // do setup
    committer.setupJob(jContext);
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    Configuration conf = job.getConfiguration();
    conf.set(FileSystem.FS_DEFAULT_NAME_KEY, "faildel:///");
    conf.setClass("fs.faildel.impl", FakeFileSystem.class, FileSystem.class);
    conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
    FileOutputFormat.setOutputPath(job, outDir);
    JobContext jContext = new JobContextImpl(conf, taskID.getJobID());
    TaskAttemptContext tContext = new TaskAttemptContextImpl(conf, taskID);
    FileOutputCommitter committer = new FileOutputCommitter(outDir, tContext);

    // do setup
    committer.setupJob(jContext);
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                      String.valueOf(options.getMaxMaps()));
    CopyListing.getCopyListing(configuration, CREDENTIALS, options).buildListing(
            new Path(cluster.getFileSystem().getUri().toString()
                    +"/tmp/testDynInputFormat/fileList.seq"), options);

    JobContext jobContext = new JobContextImpl(configuration, new JobID());
    DynamicInputFormat<Text, FileStatus> inputFormat =
        new DynamicInputFormat<Text, FileStatus>();
    List<InputSplit> splits = inputFormat.getSplits(jobContext);

    int nFiles = 0;
    int taskId = 0;

    for (InputSplit split : splits) {
      RecordReader<Text, FileStatus> recordReader =
           inputFormat.createRecordReader(split, null);
      StubContext stubContext = new StubContext(jobContext.getConfiguration(),
                                                recordReader, taskId);
      final TaskAttemptContext taskAttemptContext
         = stubContext.getContext();
     
      recordReader.initialize(splits.get(0), taskAttemptContext);
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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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  }

  @Test
  public void testNoCommitAction() {
    TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
    JobContext jobContext = new JobContextImpl(taskAttemptContext.getConfiguration(),
        taskAttemptContext.getTaskAttemptID().getJobID());
    try {
      OutputCommitter committer = new CopyCommitter(null, taskAttemptContext);
      committer.commitJob(jobContext);
      Assert.assertEquals(taskAttemptContext.getStatus(), "Commit Successful");
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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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Related Classes of org.apache.hadoop.mapreduce.task.JobContextImpl

  • org.apache.giraph.job.HadoopUtils
  • org.apache.giraph.TestBspBasic
  • org.apache.gora.mapreduce.GoraMapReduceUtils
  • org.apache.gora.shims.hadoop2.HadoopShim2
  • org.apache.hadoop.hive.shims.Hadoop23Shims
  • org.apache.hadoop.hive.shims.Hadoop23Shims$HCatHadoopShims23
  • org.apache.hadoop.mapred.JobConf
  • org.apache.hadoop.mapred.JobInProgress
  • org.apache.hadoop.mapreduce.lib.join.Parser$WNode
  • org.apache.hadoop.mapreduce.lib.output.TestFileOutputCommitter
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