Examples of org.apache.hadoop.util.Tool

org.apache.hadoop.util.Tool
e>Configuration processed by ToolRunner Configuration conf = getConf(); // Create a JobConf using the processed conf JobConf job = new JobConf(conf, MyApp.class); // Process custom command-line options Path in = new Path(args[1]); Path out = new Path(args[2]); // Specify various job-specific parameters job.setJobName("my-app"); job.setInputPath(in); job.setOutputPath(out); job.setMapperClass(MyMapper.class); job.setReducerClass(MyReducer.class); // Submit the job, then poll for progress until the job is complete JobClient.runJob(job); return 0; } public static void main(String[] args) throws Exception { // Let ToolRunner handle generic command-line options int res = ToolRunner.run(new Configuration(), new MyApp(), args); System.exit(res); } }
@see GenericOptionsParser @see ToolRunner


      String codec = options.getCompressionCodec();
      if (codec != null && (codec.equals(CodecMap.LZOP)
              || codec.equals(CodecMap.getCodecClassName(CodecMap.LZOP)))) {
        try {
          Tool tool = ReflectionUtils.newInstance(Class.
                  forName("com.hadoop.compression.lzo.DistributedLzoIndexer").
                  asSubclass(Tool.class), configuration);
          ToolRunner.run(configuration, tool,
              new String[] { finalPath.toString() });
        } catch (Exception ex) {

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    } finally {
      Closeables.closeQuietly(writer);
    }


    // run the job
    Tool job = new ConditionalEntropy();
    String[] args = { "-i", input.toString(), "-o", output.toString() };
    ToolRunner.run(job, args);


    // check the output
    Iterator<DoubleWritable> iteratorNodes =

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        optKey(DirichletDriver.MODEL_PROTOTYPE_CLASS_OPTION), description.getModelPrototype(),
        optKey(DefaultOptionCreator.NUM_CLUSTERS_OPTION), "20", optKey(DefaultOptionCreator.MAX_ITERATIONS_OPTION),
        maxIterations.toString(), optKey(DirichletDriver.ALPHA_OPTION), "1.0",
        optKey(DefaultOptionCreator.OVERWRITE_OPTION),
        optKey(DefaultOptionCreator.CLUSTERING_OPTION)};
    Tool dirichletDriver = new DirichletDriver();
    dirichletDriver.setConf(conf);
    ToolRunner.run(conf, dirichletDriver, args);
    // and inspect results
    Collection<List<DirichletCluster>> clusters = Lists.newArrayList();
    Configuration conf = new Configuration();
    conf.set(DirichletDriver.MODEL_DISTRIBUTION_KEY, description.toString());

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    final Path topologyGoldFile =
        new Path(rootInputPath, "dispatch-topology-output.json.gz");
    final Path traceGoldFile =
        new Path(rootInputPath, "dispatch-trace-output.json.gz");


    Tool analyzer = new TraceBuilder();
    int result = ToolRunner.run(analyzer, args);
    assertEquals("Non-zero exit", 0, result);


    TestRumenJobTraces
        .<LoggedNetworkTopology> jsonFileMatchesGold(conf, topologyPath,

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        new Path(rootInputPath, "counters-test-trace.json.gz");


    String[] args =
        { tracePath.toString(), topologyPath.toString(), inputPath.toString() };


    Tool analyzer = new TraceBuilder();
    int result = ToolRunner.run(analyzer, args);
    assertEquals("Non-zero exit", 0, result);


    TestRumenJobTraces.<LoggedJob> jsonFileMatchesGold(conf, tracePath,
        goldPath, LoggedJob.class, "trace");

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    }


    // run the import
    List<String> argv = new ArrayList<String>(Arrays.asList(args));
    argv.add(inputPath.toString());
    Tool tool = new ImportTsv();
    LOG.debug("Running ImportTsv with arguments: " + argv);
    assertEquals(0, ToolRunner.run(conf, tool, argv.toArray(args)));


    // Perform basic validation. If the input args did not include
    // ImportTsv.BULK_OUTPUT_CONF_KEY then validate data in the table.

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        table
    };


    // run the job, complete the load.
    util.createTable(table, cf);
    Tool t = TestImportTsv.doMROnTableTest(util, cf, simple_tsv, args);
    doLoadIncrementalHFiles(hfiles, table);


    // validate post-conditions
    validateDeletedPartitionsFile(t.getConf());


    // clean up after ourselves.
    util.deleteTable(table);
    util.cleanupDataTestDirOnTestFS(table);
    LOG.info("testGenerateAndLoad completed successfully.");

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  }


  @Override
  public int runTestFromCommandLine() throws Exception {


    Tool tool = null;
    if (toRun.equals("Generator")) {
      tool = new Generator();
    } else if (toRun.equals("Verify")) {
      tool = new Verify();
    } else if (toRun.equals("Loop")) {

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    }


    // run the import
    List<String> argv = new ArrayList<String>(Arrays.asList(args));
    argv.add(inputPath.toString());
    Tool tool = new ImportTsv();
    LOG.debug("Running ImportTsv with arguments: " + argv);
    assertEquals(0, ToolRunner.run(conf, tool, argv.toArray(args)));


    // Perform basic validation. If the input args did not include
    // ImportTsv.BULK_OUTPUT_CONF_KEY then validate data in the table.

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  }


  @Override
  public int runTestFromCommandLine() throws Exception {


    Tool tool = null;
    if (toRun.equals("Generator")) {
      tool = new Generator();
    } else if (toRun.equals("Verify")) {
      tool = new Verify();
    } else if (toRun.equals("Loop")) {

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