Class

com.spotify.scio.values

SCollectionWithHotKeyFanout

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class SCollectionWithHotKeyFanout[K, V] extends TransformNameable

An enhanced SCollection that uses an intermediate node to combine "hot" keys partially before performing the full combine.

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  1. SCollectionWithHotKeyFanout
  2. TransformNameable
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Value Members

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

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def aggregateByKey[A, U](aggregator: Aggregator[V, A, U])(implicit arg0: Coder[A], arg1: Coder[U]): SCollection[(K, U)]

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    PairSCollectionFunctions.aggregateByKey with hot key fanout.

  5. def aggregateByKey[U](zeroValue: U)(seqOp: (U, V) ⇒ U, combOp: (U, U) ⇒ U)(implicit arg0: Coder[U]): SCollection[(K, U)]

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    PairSCollectionFunctions.aggregateByKey with hot key fanout.

  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  8. def combineByKey[C](createCombiner: (V) ⇒ C)(mergeValue: (C, V) ⇒ C)(mergeCombiners: (C, C) ⇒ C)(implicit arg0: Coder[C]): SCollection[(K, C)]

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    PairSCollectionFunctions.combineByKey with hot key fanout.

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

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  10. def equals(arg0: Any): Boolean

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  11. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  12. def foldByKey(implicit mon: Monoid[V]): SCollection[(K, V)]

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    PairSCollectionFunctions.foldByKey with hot key fanout.

  13. def foldByKey(zeroValue: V)(op: (V, V) ⇒ V): SCollection[(K, V)]

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    PairSCollectionFunctions.foldByKey with hot key fanout.

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

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  15. def hashCode(): Int

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  16. final def isInstanceOf[T0]: Boolean

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  17. final def ne(arg0: AnyRef): Boolean

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  18. final def notify(): Unit

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  19. final def notifyAll(): Unit

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  20. def reduceByKey(op: (V, V) ⇒ V): SCollection[(K, V)]

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    PairSCollectionFunctions.reduceByKey with hot key fanout.

  21. def sumByKey(implicit sg: Semigroup[V]): SCollection[(K, V)]

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    PairSCollectionFunctions.sumByKey with hot key fanout.

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

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  23. def toString(): String

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  24. final def wait(): Unit

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

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

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    @throws( ... )
  27. def withName(name: String): SCollectionWithHotKeyFanout.this.type

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    Set a custom name for the next transform to be applied.

    Set a custom name for the next transform to be applied.

    Definition Classes
    SCollectionWithHotKeyFanoutTransformNameable

Inherited from TransformNameable

Inherited from AnyRef

Inherited from Any

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