Internal work of Spark

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Spark used scala language to load and execute the program and also python and java. RDD is used to store the data. But, I can't understand the architecture of Spark, how it runs internally.

Please tell me Spark Architecture as well as How it works internally?
Oct 11, 2018 in Apache Spark by Meci Matt
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1 answer to this question.

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Spark revolves around the concept of a resilient distributed dataset (RDD), which is a fault-tolerant collection of elements that can be operated on in parallel. RDDs support two types of operations: transformations, which create a new dataset from an existing one, and actions, which return a value to the driver program after running a computation on the dataset.

Below image will help you understand how spark works internally:

image

answered Oct 11, 2018 by nitinrawat895
• 10,670 points

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