estimator

package

v1.7.9 Latest Latest Go to latest Published: Oct 27, 2019 License: MIT Imports: 1 Imported by: 0

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Repository

github.com/influxdb/influxdb

Documentation ¶

Index ¶

type Sketch

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Sketch ¶

type Sketch interface {
	// Add adds a single value to the sketch.
	Add(v []byte)

	// Count returns a cardinality estimate for the sketch.
	Count() uint64

	// Merge merges another sketch into this one.
	Merge(s Sketch) error

	// Bytes estimates the memory footprint of the sketch, in bytes.
	Bytes() int

	// Clone returns a deep copy of the sketch.
	Clone() Sketch

	encoding.BinaryMarshaler
	encoding.BinaryUnmarshaler
}

Sketch is the interface representing a sketch for estimating cardinality.

Source Files ¶

View all Source files

sketch.go

Directories ¶

Path	Synopsis
hll Package hll contains a HyperLogLog++ with a LogLog-Beta bias correction implementation that is adapted (mostly copied) from an implementation provided by Clark DuVall github.com/clarkduvall/hyperloglog.	Package hll contains a HyperLogLog++ with a LogLog-Beta bias correction implementation that is adapted (mostly copied) from an implementation provided by Clark DuVall github.com/clarkduvall/hyperloglog.

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