Using this context, we can create a DStream that represents streaming data from a TCP source, specified as hostname(e.g. localhost) and port(e.g. 9999).
In addition to“map” and“reduce” operations, Spark also supports SQL queries, streaming data, and complex analytics such as machine learning and graph algorithms.
Plus, they can't meet today's challenges for accommodating unstructured data, the Internet of Things(IoT), streaming data and other technologies integral to digital transformation.
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