Package org.apache.hadoop.mapreduce.lib.output

Examples of org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter

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  public org.apache.hadoop.mapreduce.RecordWriter<WritableComparable<?>, BytesRefArrayWritable> getRecordWriter(
      TaskAttemptContext task) throws IOException, InterruptedException {

    //FileOutputFormat.getWorkOutputPath takes TaskInputOutputContext instead of
    //TaskAttemptContext, so can't use that here
    FileOutputCommitter committer = (FileOutputCommitter) getOutputCommitter(task);
    Path outputPath = committer.getWorkPath();

    FileSystem fs = outputPath.getFileSystem(task.getConfiguration());

    if (!fs.exists(outputPath)) {
      fs.mkdirs(outputPath);
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    String outputPath = context.getConfiguration().get("mapred.output.dir");
    //we need to do this to get the task path and set it for mapred implementation
    //since it can't be done automatically because of mapreduce->mapred abstraction
    if (outputPath != null)
      context.getConfiguration().set("mapred.work.output.dir",
        new FileOutputCommitter(new Path(outputPath), context).getWorkPath().toString());
  }
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    /** Default implementation assumes FileOutputFormat. Storage drivers wrapping
     * other OutputFormats should override this method.
     */
    public Path getWorkFilePath(TaskAttemptContext context, String outputLoc) throws IOException{
      return new Path(new FileOutputCommitter(new Path(outputLoc), context).getWorkPath(), FileOutputFormat.getUniqueFile(context, "part",""));
    }
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  public org.apache.hadoop.mapreduce.RecordWriter<WritableComparable<?>, BytesRefArrayWritable> getRecordWriter(
      TaskAttemptContext task) throws IOException, InterruptedException {

    //FileOutputFormat.getWorkOutputPath takes TaskInputOutputContext instead of
    //TaskAttemptContext, so can't use that here
    FileOutputCommitter committer = (FileOutputCommitter) getOutputCommitter(task);
    Path outputPath = committer.getWorkPath();

    FileSystem fs = outputPath.getFileSystem(task.getConfiguration());

    if (!fs.exists(outputPath)) {
      fs.mkdirs(outputPath);
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  public RecordWriter<ImmutableBytesWritable, KeyValue> getRecordWriter(final TaskAttemptContext context)
  throws IOException, InterruptedException {
    // Get the path of the temporary output file
    final Path outputPath = FileOutputFormat.getOutputPath(context);
    final Path outputdir = new FileOutputCommitter(outputPath, context).getWorkPath();
    final Configuration conf = context.getConfiguration();
    final FileSystem fs = outputdir.getFileSystem(conf);
    // These configs. are from hbase-*.xml
    final long maxsize = conf.getLong(HConstants.HREGION_MAX_FILESIZE,
        HConstants.DEFAULT_MAX_FILE_SIZE);
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  public RecordWriter<ImmutableBytesWritable, KeyValue> getRecordWriter(final TaskAttemptContext context)
  throws IOException, InterruptedException {
    // Get the path of the temporary output file
    final Path outputPath = FileOutputFormat.getOutputPath(context);
    final Path outputdir = new FileOutputCommitter(outputPath, context).getWorkPath();
    final Configuration conf = context.getConfiguration();
    final FileSystem fs = outputdir.getFileSystem(conf);
    // These configs. are from hbase-*.xml
    final long maxsize = conf.getLong(HConstants.HREGION_MAX_FILESIZE,
        HConstants.DEFAULT_MAX_FILE_SIZE);
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  public RecordWriter<ImmutableBytesWritable, KeyValue> getRecordWriter(final TaskAttemptContext context)
  throws IOException, InterruptedException {
    // Get the path of the temporary output file
    final Path outputPath = FileOutputFormat.getOutputPath(context);
    final Path outputdir = new FileOutputCommitter(outputPath, context).getWorkPath();
    Configuration conf = context.getConfiguration();
    final FileSystem fs = outputdir.getFileSystem(conf);
    // These configs. are from hbase-*.xml
    final long maxsize = conf.getLong("hbase.hregion.max.filesize", 268435456);
    final int blocksize =
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    // Setup the Mapper
    WikipediaInputSplit split = new WikipediaInputSplit(new FileSplit(tmpFile, 0, fs.pathToFile(tmpFile).length(), null),0);
    AggregatingRecordReader rr = new AggregatingRecordReader();
    Path ocPath = new Path(tmpFile, "oc");
    OutputCommitter oc = new FileOutputCommitter(ocPath, context);
    fs.deleteOnExit(ocPath);
    StandaloneStatusReporter sr = new StandaloneStatusReporter();
    rr.initialize(split, context);
    MockAccumuloRecordWriter rw = new MockAccumuloRecordWriter();
    WikipediaMapper mapper = new WikipediaMapper();
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    // Setup the Mapper
    InputSplit split = new FileSplit(tmpFile, 0, fs.pathToFile(tmpFile).length(), null);
    AggregatingRecordReader rr = new AggregatingRecordReader();
    Path ocPath = new Path(tmpFile, "oc");
    OutputCommitter oc = new FileOutputCommitter(ocPath, context);
    fs.deleteOnExit(ocPath);
    StandaloneStatusReporter sr = new StandaloneStatusReporter();
    rr.initialize(split, context);
    MockAccumuloRecordWriter rw = new MockAccumuloRecordWriter();
    WikipediaMapper mapper = new WikipediaMapper();
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  static <V extends Cell> RecordWriter<ImmutableBytesWritable, V>
      createRecordWriter(final TaskAttemptContext context)
          throws IOException, InterruptedException {
    // Get the path of the temporary output file
    final Path outputPath = FileOutputFormat.getOutputPath(context);
    final Path outputdir = new FileOutputCommitter(outputPath, context).getWorkPath();
    final Configuration conf = context.getConfiguration();
    final FileSystem fs = outputdir.getFileSystem(conf);
    // These configs. are from hbase-*.xml
    final long maxsize = conf.getLong(HConstants.HREGION_MAX_FILESIZE,
        HConstants.DEFAULT_MAX_FILE_SIZE);
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