com.twitter.algebird

ExpHist

object ExpHist extends Serializable

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Type Members

  1. case class Bucket(size: Long, timestamp: Timestamp) extends Product with Serializable

  2. final case class CanonicalVector(rep: Vector[Int]) extends AnyVal with Product with Serializable

  3. case class Config(epsilon: Double, windowSize: Long) extends Product with Serializable

    ExpHist guarantees that the returned guess will be within epsilon relative error of the true count across a sliding window of size windowSize.

  4. final case class Timestamp(toLong: Long) extends AnyVal with Product with Serializable

    Value class wrapper around timestamps (>= 0) used by each bucket.

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
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  5. final def ==(arg0: Any): Boolean

    Definition Classes
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  6. object Bucket extends Serializable

  7. object Canonical

    The paper that introduces the exponential histogram proves that, given a positive number l, every integer s can be uniquely represented as the sum of

  8. object Timestamp extends Serializable

  9. final def asInstanceOf[T0]: T0

    Definition Classes
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  10. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  11. def empty(conf: Config): ExpHist

    Returns an empty instance with the supplied Config.

  12. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  13. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  14. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  15. def from(i: Long, ts: Timestamp, conf: Config): ExpHist

    Returns an instance directly from a number i.

    Returns an instance directly from a number i. All buckets in the returned ExpHist will have the same timestamp, equal to ts.

  16. final def getClass(): Class[_]

    Definition Classes
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  17. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  18. final def isInstanceOf[T0]: Boolean

    Definition Classes
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  19. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  20. final def notify(): Unit

    Definition Classes
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  21. final def notifyAll(): Unit

    Definition Classes
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  22. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
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  23. def toString(): String

    Definition Classes
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  24. final def wait(): Unit

    Definition Classes
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    @throws( ... )

  25. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
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    @throws( ... )

  26. final def wait(arg0: Long): Unit

    Definition Classes
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    @throws( ... )

Inherited from Serializable

Inherited from Serializable

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