Answer / Faizan Mansoori

Spark can run on YARN in three main modes: Local mode where only one worker is used and all tasks run locally, Client mode where a single application master runs outside of YARN, and Cluster mode where the application master runs within YARN.

How can you trigger automatic clean-ups in Spark to handle accumulated metadata?

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What are the components of Apache Spark Ecosystem?

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Explain coalesce operation in Apache Spark?

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Is apache spark part of hadoop?

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Name few companies that are the uses of apache spark?

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What are the common transformations in apache spark?

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What is the difference between spark and scala?

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Please provide an explanation on DStream in Spark.

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Explain first() operation in Apache Spark RDD?

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What is executor memory in spark?

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What is write ahead log(journaling)?

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Explain the repartition() operation in Spark?

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