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You're reading from  Simplify Big Data Analytics with Amazon EMR

Product typeBook
Published inMar 2022
PublisherPackt
ISBN-139781801071079
Edition1st Edition
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Sakti Mishra
Sakti Mishra
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Sakti Mishra

Sakti Mishra is an engineer, architect, author, and technology leader with over 16 years of experience in the IT industry. He is currently working as a senior data lab architect at Amazon Web Services (AWS). He is passionate about technologies and has expertise in big data, analytics, machine learning, artificial intelligence, graph networks, web/mobile applications, and cloud technologies such as AWS and Google Cloud Platform. Sakti has a bachelor’s degree in engineering and a master’s degree in business administration. He holds several certifications in Hadoop, Spark, AWS, and Google Cloud. He is also an author of multiple technology blogs, workshops, white papers and is a public speaker who represents AWS in various domains and events.
Read more about Sakti Mishra

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Testing and validation

In the previous section, we learned how we can migrate data, metadata, ETL jobs, and workflows, but after the migration is complete, it's very much essential to validate the migration with a proper testing strategy.

Your options for data validation will vary based on the methodology you used for your migration. We previously explained the different phases of a migration where you migrate the data and metadata separately. So, let's now understand how you can validate the data quality for each of those phases.

Validating metadata quality

We discussed about migrating Hive and Oozie Metastore, and you can apply same knowledge to migrate Hue Metastore too. All of them integrate a relational database as their Metastore, which means we have the option of executing standard SQL statements to count records or validate data.

Let's look at a few of the options we can consider to validate our metadata migration:

  • Relational data migration...
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Simplify Big Data Analytics with Amazon EMR
Published in: Mar 2022Publisher: PacktISBN-13: 9781801071079

Author (1)

author image
Sakti Mishra

Sakti Mishra is an engineer, architect, author, and technology leader with over 16 years of experience in the IT industry. He is currently working as a senior data lab architect at Amazon Web Services (AWS). He is passionate about technologies and has expertise in big data, analytics, machine learning, artificial intelligence, graph networks, web/mobile applications, and cloud technologies such as AWS and Google Cloud Platform. Sakti has a bachelor’s degree in engineering and a master’s degree in business administration. He holds several certifications in Hadoop, Spark, AWS, and Google Cloud. He is also an author of multiple technology blogs, workshops, white papers and is a public speaker who represents AWS in various domains and events.
Read more about Sakti Mishra