Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.MiniMRCluster.createJobConf()

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      createInput(fileSys, numMappers);
      Path output1 = new Path("/testlazy/output1");

      // Test 1.
      runTestLazyOutput(mr.createJobConf(), output1,
          numReducers, true);

      Path[] fileList =
        FileUtil.stat2Paths(fileSys.listStatus(output1,
            new Utils.OutputFileUtils.OutputFilesFilter()));
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      }
      assertTrue(fileList.length == (numReducers - 1));

      // Test 2. 0 Reducers, maps directly write to the output files
      Path output2 = new Path("/testlazy/output2");
      runTestLazyOutput(mr.createJobConf(), output2, 0, true);

      fileList =
        FileUtil.stat2Paths(fileSys.listStatus(output2,
            new Utils.OutputFileUtils.OutputFilesFilter()));
      for(int i=0; i < fileList.length; ++i) {
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      assertTrue(fileList.length == numMappers - 1);

      // Test 3. 0 Reducers, but flag is turned off
      Path output3 = new Path("/testlazy/output3");
      runTestLazyOutput(mr.createJobConf(), output3, 0, false);

      fileList =
        FileUtil.stat2Paths(fileSys.listStatus(output3,
            new Utils.OutputFileUtils.OutputFilesFilter()));
      for(int i=0; i < fileList.length; ++i) {
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      String namenode = fileSys.getUri().toString();

      mr  = new MiniMRCluster(1, namenode, 3);

      List<String> args = new ArrayList<String>();
      for (Map.Entry<String, String> entry : mr.createJobConf()) {
        args.add("-jobconf");
        args.add(entry.getKey() + "=" + entry.getValue());
      }

      String argv[] = new String[] {
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      FileSystem fileSys = dfs.getFileSystem();
      String namenode = fileSys.getUri().toString();
      mr  = new MiniMRCluster(1, namenode, 3);

      List<String> args = new ArrayList<String>();
      for (Map.Entry<String, String> entry : mr.createJobConf()) {
        args.add("-jobconf");
        args.add(entry.getKey() + "=" + entry.getValue());
      }

      // During tests, the default Configuration will use a local mapred
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  public void testWithLocal() throws Exception {
    MiniMRCluster mr = null;
    try {
      mr = new MiniMRCluster(2, "file:///", 3);
      Configuration conf = mr.createJobConf();
      runWordCount(conf);
      runMultiFileWordCount(conf);
    } finally {
      if (mr != null) { mr.shutdown(); }
    }
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  public void testWithLocal() throws Exception {
    MiniMRCluster mr = null;
    try {
      mr = new MiniMRCluster(2, "file:///", 3);
      Configuration conf = mr.createJobConf();
      runWordCount(conf);
    } finally {
      if (mr != null) { mr.shutdown(); }
    }
  }
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  /** Tests using a full MiniMRCluster. */
  public void testMiniMRJobRunner() throws Exception {
    MiniMRCluster m = new MiniMRCluster(1, "file:///", 1);
    try {
      testWithConf(m.createJobConf());
    } finally {
      m.shutdown();
    }

  }
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  /** Tests using a full MiniMRCluster. */
  public void testMiniMRJobRunner() throws Exception {
    MiniMRCluster m = new MiniMRCluster(1, "file:///", 1);
    try {
      testWithConf(m.createJobConf());
    } finally {
      m.shutdown();
    }

  }
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      MyFile[] files = createFiles(fs.getUri(), "/srcdat");
      long totsize = 0;
      for (MyFile f : files) {
        totsize += f.getSize();
      }
      Configuration job = mr.createJobConf();
      job.setLong("distcp.bytes.per.map", totsize / 3);
      ToolRunner.run(new DistCp(job),
          new String[] {"-m", "100",
                        "-log",
                        namenode+"/logs",
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