Spark groupByKey Function
In Spark, the groupByKey function is a frequently used transformation operation that performs shuffling of data. It receives key-value pairs (K, V) as an input, group the values based on key and generates a dataset of (K, Iterable
Example of groupByKey Function
In this example, we group the values based on the key.
Now, we can read the generated result by using the following command.
Here, we got the desired output.
Next TopicSpark reducedByKey Function