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How does Repartition or Coalesce work internally?

For Repartition() is the data being collected on Drive node and then shuffled across the executors?

Is Coalesce a Narrow/wide transformation?

Santhosh K
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  • Does this answer your question? [Spark - repartition() vs coalesce()](https://stackoverflow.com/questions/31610971/spark-repartition-vs-coalesce) – thebluephantom Feb 15 '22 at 10:21

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Hope this answer is helpful - Spark - repartition() vs coalesce()

Do read the answer by Powers and Justin

Vaebhav
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