Explain different transformations in DStream in Apache Spark Streaming?
Answer Posted / Awanish Kumar Dwivedi
{"transformations":[n "map": maps each element of a DStream to a new value using a user-defined function.n "filter": selects and returns elements from the input DStream based on a given condition.n "reduceByKey": aggregates values associated with the same key across partitions.n "join": combines two DStreams or a DStream and an RDD on a common key.n "updateStateByKey": updates an accumulator value associated with each key in a DStream.n ]}
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