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ExternalSorter-spark技术分享
spark-core

ExternalSorter

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ExternalSorter ExternalSorter is a Spillable of WritablePartitionedPairCollection of K-key / C-value pairs. When ...

ShuffleReader-spark技术分享
spark-core

ShuffleReader

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ShuffleReader ShuffleReader is a contract of shuffle readers to read combined key-value records for a reduce task. ...

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