Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.MiniMRCluster

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    dfs = new MiniDFSCluster(conf, 3, true, null);
    dfs.waitActive();
    fileSys = dfs.getFileSystem();
    namenode = fileSys.getUri().toString();
    mr = new MiniMRCluster(taskTrackers, namenode, 3);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfs.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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    dfsCluster.waitActive();
    fileSys = dfsCluster.getFileSystem();
    namenode = fileSys.getUri().toString();

    FileSystem.setDefaultUri(conf, namenode);
    mr = new MiniMRCluster(4, namenode, 3);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfsCluster.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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    dfs = new MiniDFSCluster(conf, numNodes, true, racks, hosts);
    dfs.waitActive();
    fileSys = dfs.getFileSystem();
    namenode = fileSys.getUri().toString();
    mr = new MiniMRCluster(taskTrackers, namenode, numNodes);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfs.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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    dfsCluster.waitActive();
    fileSys = dfsCluster.getFileSystem();
    namenode = fileSys.getUri().toString();

    FileSystem.setDefaultUri(conf, namenode);
    mr = new MiniMRCluster(4, namenode, 3);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfsCluster.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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      dfs = new MiniDFSCluster(conf, 3, true, null);
    }
    dfs.waitActive();
    fileSys = dfs.getFileSystem();
    namenode = fileSys.getUri().toString();
    mr = new MiniMRCluster(taskTrackers, namenode, 3);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfs.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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   */
  public void testDistRaid() throws Exception {
    LOG.info("TestDist started.");
    // create a dfs and map-reduce cluster
    mySetup(3, -1);
    MiniMRCluster mr = new MiniMRCluster(4, namenode, 3);
    String jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    conf.set("mapred.job.tracker", jobTrackerName);

    try {
      // Create files to be raided
      TestRaidNode.createTestFiles(fileSys, RAID_SRC_PATH,
          "/raid" + RAID_SRC_PATH, 1, 3, (short)3);
      String subDir = RAID_SRC_PATH + "/subdir";
      TestRaidNode.createTestFiles(
          fileSys, subDir, "/raid" + subDir, 1, 3, (short)3);
     
      // Create RaidShell and raid the files.
      RaidShell shell = new RaidShell(conf);
      String[] args = new String[3];
      args[0] = "-distRaid";
      args[1] = RAID_POLICY_NAME;
      args[2] = RAID_SRC_PATH;
      assertEquals(0, ToolRunner.run(shell, args));

      // Check files are raided
      checkIfFileRaided(new Path(RAID_SRC_PATH, "file0"));
      checkIfFileRaided(new Path(subDir, "file0"));
    } finally {
      mr.shutdown();
      myTearDown();
    }
  }
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    dfsCluster.waitActive();
    fileSys = dfsCluster.getFileSystem();
    namenode = fileSys.getUri().toString();

    FileSystem.setDefaultUri(conf, namenode);
    mr = new MiniMRCluster(4, namenode, 3);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfsCluster.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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    dfsCluster.waitActive();
    fileSys = dfsCluster.getFileSystem();
    namenode = fileSys.getUri().toString();

    FileSystem.setDefaultUri(conf, namenode);
    mr = new MiniMRCluster(4, namenode, 3);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfsCluster.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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    String[] racks = {"/rack1", "/rack2", "/rack3", "/rack4", "/rack5", "/rack6"};
    dfs = new MiniDFSCluster(conf, 6, true, racks);
    dfs.waitActive();
    fileSys = dfs.getFileSystem();
    namenode = fileSys.getUri().toString();
    mr = new MiniMRCluster(taskTrackers, namenode, 3);
    jobTrackerName = "localhost:" + mr.getJobTrackerPort();
    hftp = "hftp://localhost.localdomain:" + dfs.getNameNodePort();

    FileSystem.setDefaultUri(conf, namenode);
    conf.set("mapred.job.tracker", jobTrackerName);
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      final int numSlaves = 2;
      Configuration conf = new Configuration();
      dfs = new MiniDFSCluster(conf, numSlaves, true, null);
      fs = dfs.getFileSystem();
     
      mr = new MiniMRCluster(numSlaves, fs.getUri().toString(), 1);
      writeInputFile(fs, inputPath);
      map = StreamUtil.makeJavaCommand(UlimitApp.class, new String[]{}); 
      runProgram(SET_MEMORY_LIMIT);
      fs.delete(outputPath, true);
      assertFalse("output not cleaned up", fs.exists(outputPath));
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Related Classes of org.apache.hadoop.mapred.MiniMRCluster

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  • org.apache.hadoop.chukwa.extraction.demux.TestDemux
  • org.apache.hadoop.cli.TestMRCLI
  • org.apache.hadoop.contrib.index.mapred.TestDistributionPolicy
  • org.apache.hadoop.contrib.index.mapred.TestIndexUpdater
  • org.apache.hadoop.filecache.TestMRWithDistributedCache
  • org.apache.hadoop.fs.TestCopyFiles
  • org.apache.hadoop.fs.TestHarFileSystem
  • org.apache.hadoop.hbase.HBaseTestingUtility
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