Cluster’s components and interactions

The previous lesson introduced a diagram for the most relevant logical and physical parts in Spark cluster mode, and it provided a view of the different interactions between them.

However, to expand on how these interact when a Spark application runs in a cluster, it’s helpful to take a look at a somewhat more dynamic picture, which the below image (similar to the previous diagram) presents, and in which we can highlight the main parts and interactions:

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