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What are the various types of shared variable in apache spark?

Question Posted / abnish kumar misra


What are the various types of shared variable in apache spark?..

Answer / Aman Varshney

1. Broadcast variables: Used for sending large amounts of data to each executor without duplicating it. 2. Accumulators: Used for updating a single variable across multiple tasks and actions. 3. Distributed cache: Used to share files or RDDs between the driver program and executors.

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