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You're reading from  Hands-On Data Analysis with Scala

Product typeBook
Published inMay 2019
Reading LevelExpert
PublisherPackt
ISBN-139781789346114
Edition1st Edition
Languages
Scala
Concepts
Data Analysis
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Author (1)
Rajesh Gupta
Rajesh Gupta
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Rajesh Gupta

Rajesh is a Hands-on Big Data Tech Lead and Enterprise Architect with extensive experience in the full life cycle of software development. He has successfully architected, developed and deployed highly scalable data solutions using Spark, Scala and Hadoop technology stack for several enterprises. A passionate, hands-on technologist, Rajesh has masters degrees in Mathematics and Computer Science from BITS, Pilani (India).
Read more about Rajesh Gupta

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Data staging

Once the data is extracted or delivered, it is generally staged into temporary storage for further processing. It is generally a good idea to keep data extraction/delivery storage separate from staging storage, although there are instances where this won't be necessary.

The staging area cleanly separates the following two aspects of the data ingestion process:

  • Data that has been extracted or delivered
  • New data that has to be processed

Once the data is staged completely, when we reach the further processing steps, such as cleaning, we do not have to be concerned about new data arriving. We can think of staged data as something that, once created, never changes and is immutable. This means that, to an already staged piece of data, no more data can be added, deleted, or modified. This is a very important data property that is necessary for reliable data processing...

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Hands-On Data Analysis with Scala
Published in: May 2019Publisher: PacktISBN-13: 9781789346114
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Rajesh Gupta

Rajesh is a Hands-on Big Data Tech Lead and Enterprise Architect with extensive experience in the full life cycle of software development. He has successfully architected, developed and deployed highly scalable data solutions using Spark, Scala and Hadoop technology stack for several enterprises. A passionate, hands-on technologist, Rajesh has masters degrees in Mathematics and Computer Science from BITS, Pilani (India).
Read more about Rajesh Gupta

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