trait PartitionEvaluator[T, U] extends AnyRef
An evaluator for computing RDD partitions. Spark serializes and sends PartitionEvaluatorFactory to executors, and then creates PartitionEvaluator via the factory at the executor side.
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- PartitionEvaluator.scala
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- abstract def eval(partitionIndex: Int, inputs: Iterator[T]*): Iterator[U]
Evaluates the RDD partition at the given index.
Evaluates the RDD partition at the given index. There can be more than one input iterator, if the RDD was zipped from multiple RDDs.
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(Since version 9)