cardinal

package module

v0.0.0-...-802364b Latest Latest Go to latest Published: Jul 4, 2015 License: MIT Imports: 2 Imported by: 1

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#Cardinal

a simple way to measure cardinality of a stream using a circular buffer of sets for smarter anomaly detection and response.

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const (
	CHUNKS     = 10
	CHUNK_SIZE = 4096
)

This section is empty.

This section is empty.

type Cardinal struct {
	sync.Mutex
	// contains filtered or unexported fields
}

func New(duration time.Duration) *Cardinal

func (c *Cardinal) Add(token string)

func (c *Cardinal) Cardinality() (r float64)

func (c *Cardinal) Check(token string) (r bool)

func (c *Cardinal) Count() (r uint64)

func (c *Cardinal) Duration() time.Duration

func (c *Cardinal) Reset()

func (c *Cardinal) Uniques() (r uint64)

type Filter struct {
	// contains filtered or unexported fields
}