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SerializerManager-spark技术分享
spark-core

SerializerManager

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SerializerManager Caution FIXME When SparkEnv is created (either for the driver or executors), it instan ...

AccumulatorContext-spark技术分享
spark-core

AccumulatorContext

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AccumulatorContext AccumulatorContext is a private[spark] internal object used to track accumulators by Spark itse ...

Accumulators-spark技术分享
spark-core

Accumulators

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Accumulators Accumulators are variables that are "added" to through an associative and commutative "add" operation ...

Broadcast variables-spark技术分享
spark-core

Broadcast variables

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Broadcast Variables From the official documentation about Broadcast Variables: Broadcast variables allow the p ...

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