RDDs have two types of operations: transformations and actions.
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Note
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Operators are also called operations. |
Even if you don’t access it explicitly it cannot be referenced inside a closure as it is serialized and carried around across executors.
RDDs have two types of operations: transformations and actions.
|
Note
|
Operators are also called operations. |
Even if you don’t access it explicitly it cannot be referenced inside a closure as it is serialized and carried around across executors.