What is an RDD in Apache Spark? | Spark Interview Question #6

🚀 Spark Interview Question #6

What is an RDD in Apache Spark?

RDD (Resilient Distributed Dataset) is Spark's fundamental data structure for distributed data processing. It represents an immutable collection of data that is partitioned across multiple nodes in a cluster, enabling parallel processing. RDDs are fault-tolerant because Spark can automatically recover lost data using lineage information.

Understanding RDDs is essential for Spark fundamentals and interview preparation.

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