December 2017
Beginner to intermediate
500 pages
12h 10m
English
book
Learning Pentaho Data Integration 8 CE - Third Edition
by Dan Keeley, Diethard Steiner, María Carina Roldán, Miguel Gaspar, Pablo Castagnaro, Paula Clemente, Paulo Alexandre de Oliveira Rodrigues Pires
Content preview from Learning Pentaho Data Integration 8 CE - Third Edition
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Getting data from HDFS
A Hadoop Distributed File System (HDFS) is a Java-based, distributed, scalable, and portable file system for the Hadoop framework. With PDI, pulling data back out from the Hadoop File System is really easy. In fact, we can treat it just like any other flat file source. Here are the steps for reading a file from Hadoop:
- Open Spoon and create a new Transformation.
- From the Big Data category, drag to the work area, the Hadoop File Input step.
- Edit the Hadoop File Input step. This will be used to pull the input file information.
- Under Environment, select <Static>.
- For the File/Folder field, enter the connection information to get to the file. For instance, if the data is stored in a file named samplefile.csv under the ...
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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.