May 2017
Intermediate to advanced
294 pages
7h 33m
English
Content preview from Apache Spark 2.x Cookbook
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Exploring the Spark shell
Spark comes bundled with a read–eval–print loop (REPL) shell, which is a wrapper around the Scala shell. Though the Spark shell looks like a command line for simple things, in reality, a lot of complex queries can also be executed using it. A lot of times, the Spark shell is used in the initial development phase and once the code is stabilized, it is written as a class file and bundled as a jar to be run using spark-submit flag. This chapter explores different development environments in which Spark applications can be developed.
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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.