Java Code Examples for org.apache.hadoop.mapreduce.split.SplitMetaInfoReader#readSplitMetaInfo()

The following examples show how to use org.apache.hadoop.mapreduce.split.SplitMetaInfoReader#readSplitMetaInfo() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: YARNRunner.java    From incubator-tez with Apache License 2.0 6 votes vote down vote up 
private List<TaskLocationHint> getMapLocationHintsFromInputSplits(JobID jobId,
    FileSystem fs, Configuration conf,
    String jobSubmitDir) throws IOException {
  TaskSplitMetaInfo[] splitsInfo =
      SplitMetaInfoReader.readSplitMetaInfo(jobId, fs, conf,
          new Path(jobSubmitDir));
  int splitsCount = splitsInfo.length;
  List<TaskLocationHint> locationHints =
      new ArrayList<TaskLocationHint>(splitsCount);
  for (int i = 0; i < splitsCount; ++i) {
    TaskLocationHint locationHint =
        new TaskLocationHint(
            new HashSet<String>(
                Arrays.asList(splitsInfo[i].getLocations())), null);
    locationHints.add(locationHint);
  }
  return locationHints;
}
Example 2
Source File: TestMRHelpers.java    From incubator-tez with Apache License 2.0 6 votes vote down vote up 
private void verifyLocationHints(Path inputSplitsDir,
    List<TaskLocationHint> actual) throws Exception {
  JobID jobId = new JobID("dummy", 1);
  TaskSplitMetaInfo[] splitsInfo =
      SplitMetaInfoReader.readSplitMetaInfo(jobId , remoteFs,
          conf, inputSplitsDir);
  int splitsCount = splitsInfo.length;
  List<TaskLocationHint> locationHints =
      new ArrayList<TaskLocationHint>(splitsCount);
  for (int i = 0; i < splitsCount; ++i) {
    locationHints.add(
        new TaskLocationHint(new HashSet<String>(
            Arrays.asList(splitsInfo[i].getLocations())), null));
  }

  Assert.assertEquals(locationHints, actual);
}
Example 3
Source File: YARNRunner.java    From tez with Apache License 2.0 6 votes vote down vote up 
private List<TaskLocationHint> getMapLocationHintsFromInputSplits(JobID jobId,
    FileSystem fs, Configuration conf,
    String jobSubmitDir) throws IOException {
  TaskSplitMetaInfo[] splitsInfo =
      SplitMetaInfoReader.readSplitMetaInfo(jobId, fs, conf,
          new Path(jobSubmitDir));
  int splitsCount = splitsInfo.length;
  List<TaskLocationHint> locationHints =
      new ArrayList<TaskLocationHint>(splitsCount);
  for (int i = 0; i < splitsCount; ++i) {
    TaskLocationHint locationHint =
        TaskLocationHint.createTaskLocationHint(
            new HashSet<String>(
                Arrays.asList(splitsInfo[i].getLocations())), null
        );
    locationHints.add(locationHint);
  }
  return locationHints;
}
Example 4
Source File: TestMRInputHelpers.java    From tez with Apache License 2.0 6 votes vote down vote up 
private void verifyLocationHints(Path inputSplitsDir,
                                 List<TaskLocationHint> actual) throws Exception {
  JobID jobId = new JobID("dummy", 1);
  JobSplit.TaskSplitMetaInfo[] splitsInfo =
      SplitMetaInfoReader.readSplitMetaInfo(jobId, remoteFs,
          conf, inputSplitsDir);
  int splitsCount = splitsInfo.length;
  List<TaskLocationHint> locationHints =
      new ArrayList<TaskLocationHint>(splitsCount);
  for (int i = 0; i < splitsCount; ++i) {
    locationHints.add(
        TaskLocationHint.createTaskLocationHint(new HashSet<String>(
            Arrays.asList(splitsInfo[i].getLocations())), null)
    );
  }

  Assert.assertEquals(locationHints, actual);
}
Example 5
Source File: JobImpl.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
protected TaskSplitMetaInfo[] createSplits(JobImpl job, JobId jobId) {
  TaskSplitMetaInfo[] allTaskSplitMetaInfo;
  try {
    allTaskSplitMetaInfo = SplitMetaInfoReader.readSplitMetaInfo(
        job.oldJobId, job.fs, 
        job.conf, 
        job.remoteJobSubmitDir);
  } catch (IOException e) {
    throw new YarnRuntimeException(e);
  }
  return allTaskSplitMetaInfo;
}
Example 6
Source File: JobImpl.java    From big-c with Apache License 2.0 5 votes vote down vote up 
protected TaskSplitMetaInfo[] createSplits(JobImpl job, JobId jobId) {
  TaskSplitMetaInfo[] allTaskSplitMetaInfo;
  try {
    allTaskSplitMetaInfo = SplitMetaInfoReader.readSplitMetaInfo(
        job.oldJobId, job.fs, 
        job.conf, 
        job.remoteJobSubmitDir);
  } catch (IOException e) {
    throw new YarnRuntimeException(e);
  }
  return allTaskSplitMetaInfo;
}