Package | Description |
---|---|
org.apache.datasketches.hll |
The DataSketches™ HLL sketch family package
HllSketch and Union
are the public facing classes of this high performance implementation of Phillipe Flajolet's
HyperLogLog algorithm[1] but with significantly improved error behavior and important features that can be
essential for large production systems that must handle massive data. |
Class and Description |
---|
HllSketch
The HllSketch is actually a collection of compact implementations of Phillipe Flajolet’s HyperLogLog (HLL)
sketch but with significantly improved error behavior and excellent speed performance.
|
TgtHllType
Specifies the target type of HLL sketch to be created.
|
Union
This performs union operations for all HllSketches.
|
Copyright © 2015–2024 The Apache Software Foundation. All rights reserved.