Package org.apache.tez.runtime.api

Examples of org.apache.tez.runtime.api.OutputContext

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    InputDescriptor e2InDesc2 = createTestInputDescriptor(UnorderedKVInput.class);
    dist.requestMemory(10000, e2Callback, e2InputContext2, e2InDesc2);

    // Third request - randomOutput (simulates MROutput) [weight 1]
    MemoryUpdateCallbackForTest e3Callback = new MemoryUpdateCallbackForTest();
    OutputContext e3OutputContext1 = createTestOutputContext();
    OutputDescriptor e3OutDesc1 = createTestOutputDescriptor();
    dist.requestMemory(10000, e3Callback, e3OutputContext1, e3OutDesc1);

    // Fourth request - OnFileSortedOutput [weight 3]
    MemoryUpdateCallbackForTest e4Callback = new MemoryUpdateCallbackForTest();
    OutputContext e4OutputContext2 = createTestOutputContext();
    OutputDescriptor e4OutDesc2 = createTestOutputDescriptor(OrderedPartitionedKVOutput.class);
    dist.requestMemory(10000, e4Callback, e4OutputContext2, e4OutDesc2);

    dist.makeInitialAllocations();
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    return parameters;
  }

  private void startSortedOutput(int partitions) throws Exception {
    OutputContext context = createTezOutputContext();
    sortedOutput = new OrderedPartitionedKVOutput(context, partitions);
    sortedOutput.initialize();
    sortedOutput.start();
    writer = sortedOutput.getWriter();
  }
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    DataOutputBuffer serviceProviderMetaData = new DataOutputBuffer();
    serviceProviderMetaData.writeInt(PORT);

    TezCounters counters = new TezCounters();

    OutputContext context = mock(OutputContext.class);
    doReturn(counters).when(context).getCounters();
    doReturn(workingDirs).when(context).getWorkDirs();
    doReturn(payLoad).when(context).getUserPayload();
    doReturn(5 * 1024 * 1024l).when(context).getTotalMemoryAvailableToTask();
    doReturn(UniqueID).when(context).getUniqueIdentifier();
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        inputSpec.getInputDescriptor(), inputMap, inputReadyTracker, objectRegistry);
    return inputContext;
  }

  private OutputContext createOutputContext(OutputSpec outputSpec, int outputIndex) {
    OutputContext outputContext = new TezOutputContextImpl(tezConf, localDirs,
        appAttemptNumber, tezUmbilical,
        taskSpec.getDAGName(), taskSpec.getVertexName(),
        outputSpec.getDestinationVertexName(),
        taskSpec.getVertexParallelism(),
        taskSpec.getTaskAttemptID(),
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    @Override
    public Void call() throws Exception {
      LOG.info("Initializing Output using OutputSpec: " + outputSpec);
      String edgeName = outputSpec.getDestinationVertexName();
      OutputContext outputContext = createOutputContext(outputSpec, outputIndex);
      LogicalOutput output = createOutput(outputSpec, outputContext);

      outputsMap.put(edgeName, output);
      outputContextMap.put(edgeName, outputContext);

      LOG.info("Initializing Output with dest edge: " + edgeName);
      List<Event> events = ((OutputFrameworkInterface)output).initialize();
      sendTaskGeneratedEvents(events, EventProducerConsumerType.OUTPUT,
          outputContext.getTaskVertexName(),
          outputContext.getDestinationVertexName(), taskSpec.getTaskAttemptID());
      LOG.info("Initialized Output with dest edge: " + edgeName);
      return null;
    }
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Related Classes of org.apache.tez.runtime.api.OutputContext

  • org.apache.tez.runtime.common.resources.TestMemoryDistributor
  • org.apache.tez.runtime.common.resources.TestWeightedScalingMemoryDistributor
  • org.apache.tez.runtime.library.common.writers.TestUnorderedPartitionedKVWriter
  • org.apache.tez.runtime.library.output.TestOnFileSortedOutput
  • org.apache.tez.runtime.library.output.TestOnFileUnorderedKVOutput
  • org.apache.tez.runtime.LogicalIOProcessorRuntimeTask
  • org.apache.tez.runtime.LogicalIOProcessorRuntimeTask$InitializeOutputCallable
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