September 2016
Beginner to intermediate
326 pages
6h 47m
English
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Architecture of Spark Streaming
Spark Streaming processes a continuous stream of data by dividing the stream into micro-batches called a Discretized Stream or DStream. DStream is an API provided by Spark Streaming that creates and processes micro-batches. DStream is nothing but a sequence of RDDs processed on Spark's core execution engine like any other RDD. DStream can be created from any streaming source such as Flume or Kafka.
As shown in the following Figure 5.1, input data from streaming sources are received by the Spark Streaming application to create sub-second DStreams, which are then processed by the Spark core engine. Batches of each output are then sent to various output sinks. The input data is received by receivers and distributed ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.