public class CompressedSizeEstimatorExact extends CompressedSizeEstimator
CompressedSizeEstimator.SizeEstimationFactors
_data, _numRows
Constructor and Description |
---|
CompressedSizeEstimatorExact(MatrixBlock data) |
Modifier and Type | Method and Description |
---|---|
CompressedSizeInfo |
estimateCompressedColGroupSize(int[] colIndexes) |
CompressedSizeInfo |
estimateCompressedColGroupSize(UncompressedBitmap ubm) |
computeSizeEstimationFactors, getDDCSize, getNumRows, getOLESize, getRLESize
public CompressedSizeEstimatorExact(MatrixBlock data)
public CompressedSizeInfo estimateCompressedColGroupSize(int[] colIndexes)
estimateCompressedColGroupSize
in class CompressedSizeEstimator
public CompressedSizeInfo estimateCompressedColGroupSize(UncompressedBitmap ubm)
estimateCompressedColGroupSize
in class CompressedSizeEstimator
Copyright © 2017 The Apache Software Foundation. All rights reserved.