Package org.apache.hadoop.hive.ql.util

Examples of org.apache.hadoop.hive.ql.util.JavaDataModel

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      public LongNumDistinctValueEstimator numDV;    /* Distinct value estimator */
      public boolean firstItem;                     /* First item in the aggBuf? */
      public int numBitVectors;
      @Override
      public int estimate() {
        JavaDataModel model = JavaDataModel.get();
        return model.primitive1() * 2 + model.primitive2() * 3 +
            model.lengthFor(columnType) + model.lengthFor(numDV);
      }
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      public DoubleNumDistinctValueEstimator numDV;  /* Distinct value estimator */
      public boolean firstItem;                     /* First item in the aggBuf? */
      public int numBitVectors;
      @Override
      public int estimate() {
        JavaDataModel model = JavaDataModel.get();
        return model.primitive1() * 2 + model.primitive2() * 3 +
            model.lengthFor(columnType) + model.lengthFor(numDV);
      }
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      public StringNumDistinctValueEstimator numDV;      /* Distinct value estimator */
      public int numBitVectors;
      public boolean firstItem;
      @Override
      public int estimate() {
        JavaDataModel model = JavaDataModel.get();
        return model.primitive1() * 2 + model.primitive2() * 4 +
            model.lengthFor(columnType) + model.lengthFor(numDV);
      }
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      public long sumLength;             /* Sum of lengths of all values seen so far */
      public long count;                          /* Count of all values seen so far */
      public long countNulls;          /* Count of number of null values seen so far */
      @Override
      public int estimate() {
        JavaDataModel model = JavaDataModel.get();
        return model.primitive2() * 4 + model.lengthFor(columnType);
      }
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      public long countTrues;  /* Count of number of true values seen so far */
      public long countFalses; /* Count of number of false values seen so far */
      public long countNulls;  /* Count of number of null values seen so far */
      @Override
      public int estimate() {
        JavaDataModel model = JavaDataModel.get();
        return model.primitive2() * 3 + model.lengthFor(columnType);
      }
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    return soi;
  }

  @Override
  public int getAggregationBufferFixedSize() {
    JavaDataModel model = JavaDataModel.get();
    return JavaDataModel.alignUp(
      model.object() +
      model.primitive2() * 2,
      model.memoryAlign());
  }
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      return PrimitiveObjectInspectorFactory.javaHiveDecimalObjectInspector;
    }

  @Override
  public int getAggregationBufferFixedSize() {
      JavaDataModel model = JavaDataModel.get();
      return JavaDataModel.alignUp(
        model.object(),
        model.memoryAlign());
  }
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      return PrimitiveObjectInspectorFactory.writableLongObjectInspector;
    }

    @Override
    public int getAggregationBufferFixedSize() {
      JavaDataModel model = JavaDataModel.get();
      return JavaDataModel.alignUp(
        model.object() +
        model.primitive2() +
        model.primitive1(),
        model.memoryAlign());
    }
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      return PrimitiveObjectInspectorFactory.writableLongObjectInspector;
    }

    @Override
    public int getAggregationBufferFixedSize() {
      JavaDataModel model = JavaDataModel.get();
      return JavaDataModel.alignUp(
        model.object() +
        model.primitive2() +
        model.primitive1(),
        model.memoryAlign());
    }
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    /**
     * Computes the memory limits for hash table flush (spill).
     */
    private void computeMemoryLimits() {
      JavaDataModel model = JavaDataModel.get();

      fixedHashEntrySize =
          model.hashMapEntry() +
          keyWrappersBatch.getKeysFixedSize() +
          aggregationBatchInfo.getAggregatorsFixedSize();

      MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
      maxMemory = memoryMXBean.getHeapMemoryUsage().getMax();
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