Package org.apache.hadoop.tools.distcp2.util

Examples of org.apache.hadoop.tools.distcp2.util.ThrottledInputStream

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      DistCpOptions options = new DistCpOptions(Arrays.asList(new Path(sourceBase)),
          new Path("/out"));
      options.preserve(FileAttribute.PERMISSION);
      options.appendToConf(conf);

      CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
      Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
      listing.buildListing(listingFile, options);

      conf.set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, targetBase);

      committer.commitJob(jobContext);
      if (!checkDirectoryPermissions(fs, targetBase, sourcePerm)) {
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          new Path("/out"));
      options.setSyncFolder(true);
      options.setDeleteMissing(true);
      options.appendToConf(conf);

      CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
      Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
      listing.buildListing(listingFile, options);

      conf.set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, targetBase);
      conf.set(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH, targetBase);

      committer.commitJob(jobContext);
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          new Path("/out"));
      options.setSyncFolder(true);
      options.setDeleteMissing(true);
      options.appendToConf(conf);

      CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
      Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
      listing.buildListing(listingFile, options);

      conf.set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, targetBase);
      conf.set(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH, targetBase);

      committer.commitJob(jobContext);
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    FileSystem clusterFS = sourceListing.getFileSystem(conf);
    Path sortedSourceListing = DistCpUtils.sortListing(clusterFS, conf, sourceListing);

    // Similarly, create the listing of target-files. Sort alphabetically.
    Path targetListing = new Path(sourceListing.getParent(), "targetListing.seq");
    CopyListing target = new GlobbedCopyListing(new Configuration(conf), null);

    List<Path> targets = new ArrayList<Path>(1);
    Path targetFinalPath = new Path(conf.get(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH));
    targets.add(targetFinalPath);
    DistCpOptions options = new DistCpOptions(targets, new Path("/NONE"));

    target.buildListing(targetListing, options);
    Path sortedTargetListing = DistCpUtils.sortListing(clusterFS, conf, targetListing);
    long totalLen = clusterFS.getFileStatus(sortedTargetListing).getLen();

    SequenceFile.Reader sourceReader = new SequenceFile.Reader(
        clusterFS, sortedSourceListing, conf);
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    Path targetPath = new Path(cluster.getFileSystem().getUri().toString()
                               + "/tmp/target");

    List<Path> sourceList = new ArrayList<Path>();
    sourceList.add(sourcePath);
    final DistCpOptions distCpOptions = new DistCpOptions(sourceList, targetPath);
    distCpOptions.setMaxMaps(nMaps);
    return distCpOptions;
  }
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  public static void tearDown() {
    cluster.shutdown();
  }

  public void testGetSplits(int nMaps) throws Exception {
    DistCpOptions options = getOptions(nMaps);
    Configuration configuration = new Configuration();
    configuration.set("mapred.map.tasks",
                      String.valueOf(options.getMaxMaps()));
    Path listFile = new Path(cluster.getFileSystem().getUri().toString()
        + "/tmp/testGetSplits_1/fileList.seq");
    CopyListing.getCopyListing(configuration, CREDENTIALS, options).
        buildListing(listFile, options);
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    Path targetPath = new Path(cluster.getFileSystem().getUri().toString()
            + "/tmp/target");

    List<Path> sourceList = new ArrayList<Path>();
    sourceList.add(sourcePath);
    DistCpOptions options = new DistCpOptions(sourceList, targetPath);
    options.setMaxMaps(NUM_SPLITS);
    return options;
  }
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    cluster.shutdown();
  }

  @Test
  public void testGetSplits() throws Exception {
    DistCpOptions options = getOptions();
    Configuration configuration = new Configuration();
    configuration.set("mapred.map.tasks",
                      String.valueOf(options.getMaxMaps()));
    CopyListing.getCopyListing(configuration, CREDENTIALS, options).buildListing(
            new Path(cluster.getFileSystem().getUri().toString()
                    +"/tmp/testDynInputFormat/fileList.seq"), options);

    JobContext jobContext = new JobContext(configuration, new JobID());
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      FsPermission sourcePerm = new FsPermission((short) 511);
      FsPermission initialPerm = new FsPermission((short) 448);
      sourceBase = TestDistCpUtils.createTestSetup(fs, sourcePerm);
      targetBase = TestDistCpUtils.createTestSetup(fs, initialPerm);

      DistCpOptions options = new DistCpOptions(Arrays.asList(new Path(sourceBase)),
          new Path("/out"));
      options.preserve(FileAttribute.PERMISSION);
      options.appendToConf(conf);

      CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
      Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
      listing.buildListing(listingFile, options);
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      sourceBase = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
      targetBase = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
      String targetBaseAdd = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
      fs.rename(new Path(targetBaseAdd), new Path(targetBase));

      DistCpOptions options = new DistCpOptions(Arrays.asList(new Path(sourceBase)),
          new Path("/out"));
      options.setSyncFolder(true);
      options.setDeleteMissing(true);
      options.appendToConf(conf);

      CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
      Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
      listing.buildListing(listingFile, options);
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Related Classes of org.apache.hadoop.tools.distcp2.util.ThrottledInputStream

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.fs.FileChecksum
  • org.apache.hadoop.fs.FileStatus
  • org.apache.hadoop.fs.FileSystem
  • org.apache.hadoop.fs.FSDataInputStream
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.hdfs.MiniDFSCluster
  • org.apache.hadoop.io.Text
  • org.apache.hadoop.mapred.JobClient
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