Object

com.twitter.scalding.reducer_estimation

ReducerEstimatorStepStrategy

Related Doc: package reducer_estimation

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object ReducerEstimatorStepStrategy extends FlowStepStrategy[JobConf]

Source
Common.scala
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FlowStepStrategy[JobConf], AnyRef, Any
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  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. final def apply(flow: Flow[JobConf], preds: List[FlowStep[JobConf]], step: FlowStep[JobConf]): Unit

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    Make reducer estimate, possibly overriding explicitly-set numReducers, and save useful info (such as the default & estimate) in JobConf for later consumption.

    Make reducer estimate, possibly overriding explicitly-set numReducers, and save useful info (such as the default & estimate) in JobConf for later consumption.

    Called by Cascading at the start of each job step.

    Definition Classes
    ReducerEstimatorStepStrategy → FlowStepStrategy

  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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  8. def equals(arg0: Any): Boolean

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  9. implicit val estimatorMonoid: Monoid[ReducerEstimator]

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  10. def finalize(): Unit

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

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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

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  18. def toString(): String

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  19. final def wait(): Unit

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

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

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Inherited from FlowStepStrategy[JobConf]

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