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