Examples with TaskAttemptID org.apache.hadoop.mapreduce.TaskAttemptID used on opensource projects

Example 21 with TaskAttemptID

use of org.apache.hadoop.mapreduce.TaskAttemptID in project hadoop by apache.

the class TestFetcher method setup.

@Before
// mocked generics
@SuppressWarnings("unchecked")
public void setup() {
    LOG.info(">>>> " + name.getMethodName());
    job = new JobConf();
    job.setBoolean(MRJobConfig.SHUFFLE_FETCH_RETRY_ENABLED, false);
    jobWithRetry = new JobConf();
    jobWithRetry.setBoolean(MRJobConfig.SHUFFLE_FETCH_RETRY_ENABLED, true);
    id = TaskAttemptID.forName("attempt_0_1_r_1_1");
    ss = mock(ShuffleSchedulerImpl.class);
    mm = mock(MergeManagerImpl.class);
    r = mock(Reporter.class);
    metrics = mock(ShuffleClientMetrics.class);
    except = mock(ExceptionReporter.class);
    key = JobTokenSecretManager.createSecretKey(new byte[] { 0, 0, 0, 0 });
    connection = mock(HttpURLConnection.class);
    allErrs = mock(Counters.Counter.class);
    when(r.getCounter(anyString(), anyString())).thenReturn(allErrs);
    ArrayList<TaskAttemptID> maps = new ArrayList<TaskAttemptID>(1);
    maps.add(map1ID);
    maps.add(map2ID);
    when(ss.getMapsForHost(host)).thenReturn(maps);
}

Example 22 with TaskAttemptID

use of org.apache.hadoop.mapreduce.TaskAttemptID in project hadoop by apache.

the class TestGridMixClasses method testSleepReducer.

/*
   * test SleepReducer
   */
@Test(timeout = 3000)
public void testSleepReducer() throws Exception {
    Configuration conf = new Configuration();
    conf.setInt(JobContext.NUM_REDUCES, 2);
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    conf.setBoolean(FileOutputFormat.COMPRESS, true);
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true);
    TaskAttemptID taskId = new TaskAttemptID();
    RawKeyValueIterator input = new FakeRawKeyValueReducerIterator();
    Counter counter = new GenericCounter();
    Counter inputValueCounter = new GenericCounter();
    RecordWriter<NullWritable, NullWritable> output = new LoadRecordReduceWriter();
    OutputCommitter committer = new CustomOutputCommitter();
    StatusReporter reporter = new DummyReporter();
    RawComparator<GridmixKey> comparator = new FakeRawComparator();
    ReduceContext<GridmixKey, NullWritable, NullWritable, NullWritable> reducecontext = new ReduceContextImpl<GridmixKey, NullWritable, NullWritable, NullWritable>(conf, taskId, input, counter, inputValueCounter, output, committer, reporter, comparator, GridmixKey.class, NullWritable.class);
    org.apache.hadoop.mapreduce.Reducer<GridmixKey, NullWritable, NullWritable, NullWritable>.Context<GridmixKey, NullWritable, NullWritable, NullWritable> context = new WrappedReducer<GridmixKey, NullWritable, NullWritable, NullWritable>().getReducerContext(reducecontext);
    SleepReducer test = new SleepReducer();
    long start = System.currentTimeMillis();
    test.setup(context);
    long sleeper = context.getCurrentKey().getReduceOutputBytes();
    // status has been changed
    assertEquals("Sleeping... " + sleeper + " ms left", context.getStatus());
    // should sleep 0.9 sec
    assertTrue(System.currentTimeMillis() >= (start + sleeper));
    test.cleanup(context);
    // status has been changed again
    assertEquals("Slept for " + sleeper, context.getStatus());
}

Example 23 with TaskAttemptID

use of org.apache.hadoop.mapreduce.TaskAttemptID in project hadoop by apache.

the class TestGridMixClasses method testLoadMapper.

/*
   * test LoadMapper loadMapper should write to writer record for each reduce
   */
@SuppressWarnings({ "rawtypes", "unchecked" })
@Test(timeout = 10000)
public void testLoadMapper() throws Exception {
    Configuration conf = new Configuration();
    conf.setInt(JobContext.NUM_REDUCES, 2);
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true);
    TaskAttemptID taskId = new TaskAttemptID();
    RecordReader<NullWritable, GridmixRecord> reader = new FakeRecordReader();
    LoadRecordGkGrWriter writer = new LoadRecordGkGrWriter();
    OutputCommitter committer = new CustomOutputCommitter();
    StatusReporter reporter = new TaskAttemptContextImpl.DummyReporter();
    LoadSplit split = getLoadSplit();
    MapContext<NullWritable, GridmixRecord, GridmixKey, GridmixRecord> mapContext = new MapContextImpl<NullWritable, GridmixRecord, GridmixKey, GridmixRecord>(conf, taskId, reader, writer, committer, reporter, split);
    // context
    Context ctx = new WrappedMapper<NullWritable, GridmixRecord, GridmixKey, GridmixRecord>().getMapContext(mapContext);
    reader.initialize(split, ctx);
    ctx.getConfiguration().setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true);
    CompressionEmulationUtil.setCompressionEmulationEnabled(ctx.getConfiguration(), true);
    LoadJob.LoadMapper mapper = new LoadJob.LoadMapper();
    // setup, map, clean
    mapper.run(ctx);
    Map<GridmixKey, GridmixRecord> data = writer.getData();
    // check result
    assertEquals(2, data.size());
}

Example 24 with TaskAttemptID

use of org.apache.hadoop.mapreduce.TaskAttemptID in project hadoop by apache.

the class TestGridMixClasses method testLoadJobLoadReducer.

/*
   * test LoadReducer
   */
@Test(timeout = 3000)
public void testLoadJobLoadReducer() throws Exception {
    LoadJob.LoadReducer test = new LoadJob.LoadReducer();
    Configuration conf = new Configuration();
    conf.setInt(JobContext.NUM_REDUCES, 2);
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    conf.setBoolean(FileOutputFormat.COMPRESS, true);
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true);
    TaskAttemptID taskid = new TaskAttemptID();
    RawKeyValueIterator input = new FakeRawKeyValueIterator();
    Counter counter = new GenericCounter();
    Counter inputValueCounter = new GenericCounter();
    LoadRecordWriter output = new LoadRecordWriter();
    OutputCommitter committer = new CustomOutputCommitter();
    StatusReporter reporter = new DummyReporter();
    RawComparator<GridmixKey> comparator = new FakeRawComparator();
    ReduceContext<GridmixKey, GridmixRecord, NullWritable, GridmixRecord> reduceContext = new ReduceContextImpl<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>(conf, taskid, input, counter, inputValueCounter, output, committer, reporter, comparator, GridmixKey.class, GridmixRecord.class);
    // read for previous data
    reduceContext.nextKeyValue();
    org.apache.hadoop.mapreduce.Reducer<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>.Context<GridmixKey, GridmixRecord, NullWritable, GridmixRecord> context = new WrappedReducer<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>().getReducerContext(reduceContext);
    // test.setup(context);
    test.run(context);
    // have been readed 9 records (-1 for previous)
    assertEquals(9, counter.getValue());
    assertEquals(10, inputValueCounter.getValue());
    assertEquals(1, output.getData().size());
    GridmixRecord record = output.getData().values().iterator().next();
    assertEquals(1593, record.getSize());
}

Example 25 with TaskAttemptID

use of org.apache.hadoop.mapreduce.TaskAttemptID in project hive by apache.

the class TestE2EScenarios method createTaskAttemptContext.

private TaskAttemptContext createTaskAttemptContext(Configuration tconf) {
    Configuration conf = (tconf == null) ? (new Configuration()) : tconf;
    TaskAttemptID taskId = HCatMapRedUtil.createTaskAttemptID(new JobID("200908190029", 1), false, 1, 1);
    conf.setInt("mapred.task.partition", taskId.getId());
    conf.set("mapred.task.id", taskId.toString());
    TaskAttemptContext rtaskContext = HCatMapRedUtil.createTaskAttemptContext(conf, taskId);
    return rtaskContext;
}