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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- final def !=(arg0: Any): Boolean
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- final def ##: Int
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- final def ==(arg0: Any): Boolean
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- def aggregateByKey[A, U](aggregator: MonoidAggregator[V, A, U])(implicit arg0: Coder[A], arg1: Coder[U]): SCollection[(K, U)]
PairSCollectionFunctions.aggregateByKey with hot key fanout.
- def aggregateByKey[A, U](aggregator: Aggregator[V, A, U])(implicit arg0: Coder[A], arg1: Coder[U]): SCollection[(K, U)]
PairSCollectionFunctions.aggregateByKey with hot key fanout.
- def aggregateByKey[U](zeroValue: U)(seqOp: (U, V) => U, combOp: (U, U) => U)(implicit arg0: Coder[U]): SCollection[(K, U)]
PairSCollectionFunctions.aggregateByKey with hot key fanout.
- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def combineByKey[C](createCombiner: (V) => C)(mergeValue: (C, V) => C)(mergeCombiners: (C, C) => C)(implicit arg0: Coder[C]): SCollection[(K, C)]
PairSCollectionFunctions.combineByKey with hot key fanout.
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- def finalize(): Unit
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- protected[lang]
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- @throws(classOf[java.lang.Throwable])
- def foldByKey(implicit mon: Monoid[V]): SCollection[(K, V)]
PairSCollectionFunctions.foldByKey with hot key fanout.
- def foldByKey(zeroValue: V)(op: (V, V) => V): SCollection[(K, V)]
PairSCollectionFunctions.foldByKey with hot key fanout.
- final def getClass(): Class[_ <: AnyRef]
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- @native()
- def hashCode(): Int
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- final def isInstanceOf[T0]: Boolean
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- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- final def notifyAll(): Unit
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- @native()
- def reduceByKey(op: (V, V) => V): SCollection[(K, V)]
PairSCollectionFunctions.reduceByKey with hot key fanout.
- def sumByKey(implicit sg: Semigroup[V]): SCollection[(K, V)]
PairSCollectionFunctions.sumByKey with hot key fanout.
- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
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- @throws(classOf[java.lang.InterruptedException]) @native()
- def withName(name: String): SCollectionWithHotKeyFanout.this.type
Set a custom name for the next transform to be applied.
Set a custom name for the next transform to be applied.
- Definition Classes
- SCollectionWithHotKeyFanout → TransformNameable