September 2018
Intermediate to advanced
398 pages
9h 43m
English
Content preview from Scala Programming Projects
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Running spark-submit
Using a console, go to the Spark distribution's bin folder, and run spark-submit with the path of the assembly JAR:
cd ~/spark-2.3.1-bin-hadoop2.7/bin./spark-submit /tmp/sbt/bitcoin-analyser/scala-2.11/bitcoin-analyser-assembly-0.1.jar
spark-submit has lots of options that let you change the Spark master, the number of executors, their memory requirements, and so on. You can find out more by running spark-submit -h. After having submitted our JAR, you should see something like this in your console (we only show the most important parts):
(...)2018-09-07 07:55:27 INFO SparkContext:54 - Running Spark version 2.3.12018-09-07 07:55:27 INFO SparkContext:54 - Submitted application: coinyser.BatchProducerAppSpark(...)2018-09-07 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.