spark技术分享SizeEstimator
SizeEstimator is…FIXME
estimate Method
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estimate(obj: AnyRef): Long (1) // Internal estimate(obj: AnyRef, visited: IdentityHashMap[AnyRef, AnyRef]): Long |
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Uses
estimatewith an emptyIdentityHashMap
estimate…FIXME
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Note
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sampleArray Internal Method
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sampleArray( array: AnyRef, state: SearchState, rand: Random, drawn: OpenHashSet[Int], length: Int): Long |
sampleArray…FIXME
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Note
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sampleArray is used when…FIXME
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visitSingleObject Internal Method
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visitSingleObject(obj: AnyRef, state: SearchState): Unit |
visitSingleObject…FIXME
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Note
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visitSingleObject is used exclusively when SizeEstimator is requested to estimate.
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