Java Code Examples for org.apache.hadoop.mapred.JobConf#getLocalDirs()

The following examples show how to use org.apache.hadoop.mapred.JobConf#getLocalDirs() . 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: TestShufflePlugin.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
@Test
/**
 * A testing method verifying availability and accessibility of API that is needed
 * for sub-classes of ShuffleConsumerPlugin
 */
public void testConsumerApi() {

  JobConf jobConf = new JobConf();
  ShuffleConsumerPlugin<K, V> shuffleConsumerPlugin = new TestShuffleConsumerPlugin<K, V>();

  //mock creation
  ReduceTask mockReduceTask = mock(ReduceTask.class);
  TaskUmbilicalProtocol mockUmbilical = mock(TaskUmbilicalProtocol.class);
  Reporter mockReporter = mock(Reporter.class);
  FileSystem mockFileSystem = mock(FileSystem.class);
  Class<? extends org.apache.hadoop.mapred.Reducer>  combinerClass = jobConf.getCombinerClass();
  @SuppressWarnings("unchecked")  // needed for mock with generic
  CombineOutputCollector<K, V>  mockCombineOutputCollector =
    (CombineOutputCollector<K, V>) mock(CombineOutputCollector.class);
  org.apache.hadoop.mapreduce.TaskAttemptID mockTaskAttemptID =
    mock(org.apache.hadoop.mapreduce.TaskAttemptID.class);
  LocalDirAllocator mockLocalDirAllocator = mock(LocalDirAllocator.class);
  CompressionCodec mockCompressionCodec = mock(CompressionCodec.class);
  Counter mockCounter = mock(Counter.class);
  TaskStatus mockTaskStatus = mock(TaskStatus.class);
  Progress mockProgress = mock(Progress.class);
  MapOutputFile mockMapOutputFile = mock(MapOutputFile.class);
  Task mockTask = mock(Task.class);

  try {
    String [] dirs = jobConf.getLocalDirs();
    // verify that these APIs are available through super class handler
    ShuffleConsumerPlugin.Context<K, V> context =
   new ShuffleConsumerPlugin.Context<K, V>(mockTaskAttemptID, jobConf, mockFileSystem,
                                              mockUmbilical, mockLocalDirAllocator,
                                              mockReporter, mockCompressionCodec,
                                              combinerClass, mockCombineOutputCollector,
                                              mockCounter, mockCounter, mockCounter,
                                              mockCounter, mockCounter, mockCounter,
                                              mockTaskStatus, mockProgress, mockProgress,
                                              mockTask, mockMapOutputFile, null);
    shuffleConsumerPlugin.init(context);
    shuffleConsumerPlugin.run();
    shuffleConsumerPlugin.close();
  }
  catch (Exception e) {
    assertTrue("Threw exception:" + e, false);
  }

  // verify that these APIs are available for 3rd party plugins
  mockReduceTask.getTaskID();
  mockReduceTask.getJobID();
  mockReduceTask.getNumMaps();
  mockReduceTask.getPartition();
  mockReporter.progress();
}
Example 2
Source File: TestShufflePlugin.java    From big-c with Apache License 2.0 4 votes vote down vote up 
@Test
/**
 * A testing method verifying availability and accessibility of API that is needed
 * for sub-classes of ShuffleConsumerPlugin
 */
public void testConsumerApi() {

  JobConf jobConf = new JobConf();
  ShuffleConsumerPlugin<K, V> shuffleConsumerPlugin = new TestShuffleConsumerPlugin<K, V>();

  //mock creation
  ReduceTask mockReduceTask = mock(ReduceTask.class);
  TaskUmbilicalProtocol mockUmbilical = mock(TaskUmbilicalProtocol.class);
  Reporter mockReporter = mock(Reporter.class);
  FileSystem mockFileSystem = mock(FileSystem.class);
  Class<? extends org.apache.hadoop.mapred.Reducer>  combinerClass = jobConf.getCombinerClass();
  @SuppressWarnings("unchecked")  // needed for mock with generic
  CombineOutputCollector<K, V>  mockCombineOutputCollector =
    (CombineOutputCollector<K, V>) mock(CombineOutputCollector.class);
  org.apache.hadoop.mapreduce.TaskAttemptID mockTaskAttemptID =
    mock(org.apache.hadoop.mapreduce.TaskAttemptID.class);
  LocalDirAllocator mockLocalDirAllocator = mock(LocalDirAllocator.class);
  CompressionCodec mockCompressionCodec = mock(CompressionCodec.class);
  Counter mockCounter = mock(Counter.class);
  TaskStatus mockTaskStatus = mock(TaskStatus.class);
  Progress mockProgress = mock(Progress.class);
  MapOutputFile mockMapOutputFile = mock(MapOutputFile.class);
  Task mockTask = mock(Task.class);

  try {
    String [] dirs = jobConf.getLocalDirs();
    // verify that these APIs are available through super class handler
    ShuffleConsumerPlugin.Context<K, V> context =
   new ShuffleConsumerPlugin.Context<K, V>(mockTaskAttemptID, jobConf, mockFileSystem,
                                              mockUmbilical, mockLocalDirAllocator,
                                              mockReporter, mockCompressionCodec,
                                              combinerClass, mockCombineOutputCollector,
                                              mockCounter, mockCounter, mockCounter,
                                              mockCounter, mockCounter, mockCounter,
                                              mockTaskStatus, mockProgress, mockProgress,
                                              mockTask, mockMapOutputFile, null);
    shuffleConsumerPlugin.init(context);
    shuffleConsumerPlugin.run();
    shuffleConsumerPlugin.close();
  }
  catch (Exception e) {
    assertTrue("Threw exception:" + e, false);
  }

  // verify that these APIs are available for 3rd party plugins
  mockReduceTask.getTaskID();
  mockReduceTask.getJobID();
  mockReduceTask.getNumMaps();
  mockReduceTask.getPartition();
  mockReporter.progress();
}
Example 3
Source File: MRAsyncDiskService.java    From hadoop with Apache License 2.0 2 votes vote down vote up 
/**
 * Initialize MRAsyncDiskService based on conf.
 * @param conf  local file system and local dirs will be read from conf 
 */
public MRAsyncDiskService(JobConf conf) throws IOException {
  this(FileSystem.getLocal(conf), conf.getLocalDirs());
}
Example 4
Source File: MRAsyncDiskService.java    From big-c with Apache License 2.0 2 votes vote down vote up 
/**
 * Initialize MRAsyncDiskService based on conf.
 * @param conf  local file system and local dirs will be read from conf 
 */
public MRAsyncDiskService(JobConf conf) throws IOException {
  this(FileSystem.getLocal(conf), conf.getLocalDirs());
}