Examples of org.apache.hadoop.mapred.MapRunnable.run()

Class org.apache.hadoop.mapred.MapRunnable

Examples of org.apache.hadoop.mapred.MapRunnable.run()

org.apache.hadoop.mapred.MapRunnable.run()
Start mapping input <key, value> pairs.
Mapping of input records to output records is complete when this method returns.
@param input the {@link RecordReader} to read the input records. @param output the {@link OutputCollector} to collect the outputrecords. @param reporter {@link Reporter} to report progress, status-updates etc. @throws IOException

    OutputCollector collector = new OldOutputCollector(output);


    MapRunnable runner =
        (MapRunnable)ReflectionUtils.newInstance(job.getMapRunnerClass(), job);


    runner.run(in, collector, (Reporter)reporter);
    
    // Set progress to 1.0f if there was no exception,
    reporter.setProgress(1.0f);
    // start the sort phase only if there are reducers
    this.statusUpdate();

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    OutputCollector collector = new OldOutputCollector(output);


    MapRunnable runner =
        (MapRunnable)ReflectionUtils.newInstance(job.getMapRunnerClass(), job);


    runner.run(in, collector, (Reporter)reporter);
    
    // Set progress to 1.0f if there was no exception,
    reporter.setProgress(1.0f);
    // start the sort phase only if there are reducers
    this.statusUpdate();

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    OutputCollector collector = new OldOutputCollector(output);


    MapRunnable runner =
        (MapRunnable)ReflectionUtils.newInstance(job.getMapRunnerClass(), job);


    runner.run(in, collector, (Reporter)reporter);
    // start the sort phase only if there are reducers
    this.statusUpdate();
  }


  private void runNewMapper(final JobConf job,

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    OutputCollector collector = new OldOutputCollector(output);


    MapRunnable runner =
        (MapRunnable)ReflectionUtils.newInstance(job.getMapRunnerClass(), job);


    runner.run(in, collector, (Reporter)reporter);
    
    // Set progress to 1.0f if there was no exception,
    reporter.setProgress(1.0f);
    // start the sort phase only if there are reducers
    this.statusUpdate();

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