| Package | Description |
|---|---|
| org.elasticsearch.search.aggregations | |
| org.elasticsearch.search.aggregations.metrics.cardinality |
| Class and Description |
|---|
| CardinalityBuilder
Builder for the
Cardinality aggregation. |
| Class and Description |
|---|
| Cardinality
An aggregation that computes approximate numbers of unique terms.
|
| CardinalityBuilder
Builder for the
Cardinality aggregation. |
| HyperLogLogPlusPlus
Hyperloglog++ counter, implemented based on pseudo code from
http://static.googleusercontent.com/media/research.google.com/fr//pubs/archive/40671.pdf
and its appendix
https://docs.google.com/document/d/1gyjfMHy43U9OWBXxfaeG-3MjGzejW1dlpyMwEYAAWEI/view?fullscreen
This implementation is different from the original implementation in that it
uses a hash table instead of a sorted list for linear counting.
|
| InternalCardinality |
Copyright © 2009–2017. All rights reserved.