Data Engineering with Scala and Spark A practical guide helping you build streaming and batch pipelines that process

Key FeaturesTransform data into a clean and trusted source of information for your organization using ScalaBuild streaming and batch-processing pipelines with step-by-step explanationsImplement and orchestrate your pipelines by following CI/CD best practices and test-driven developmentBook Description
Performance in distributed computing environments is a critical factor for data engineers. If performance in a distributed computing environment is not optimal, several consequences can arise like slow data processing, bottlenecks and latency, inefficient resource utilization, etc. impacting the overall efficiency and effectiveness of data engineering tasks. While Python remains a popular choice for data engineering due to its ease of use, Scala shines in scenarios where the performance of distributed data processing is paramount.
This book will teach you to leverage the Scala programming language on the Spark framework and the latest cloud technologies to build continuous and triggered data pipelines. You will do this by setting up a data engineering environment for local development and scalable distributed cloud deployments using data engineering best practices, test-driven development, and CI/CD. You will then understand DataFrame API, Dataset API, and Spark SQL API and its use. You will further learn about data profiling and quality in Scala. You will also orchestrate and performance-tune your end-to-end pipelines to deliver data to your end users.
By the end of this book, you will be able to build streaming and batch data pipelines using Scala while following software engineering best practices.
What you will learnSet up your development environment to build pipelines in ScalaUse polymorphic functions, type parameterization, and scala implicitUse Spark DataFrames, Datasets, and Spark SQL with ScalaRead and write data to object storesBuild and chain data transforms using ScalaProfile and clean your data using DeequPerformance-tune your data pipelines using ScalaWho This Book Is For
This book is aimed at data engineers who are experienced in working with data but want to understand how to transform raw data into a clean, trusted, and valuable source of information for their organization using Scala and the latest cloud technologies.
Table of ContentsScala Essentials for Data Engineers - A Quick TourEnvironment Setup - Install IDE, Spark, MySQL and Object StorageIntroduction to Spark and its APIs - Dataframe, Dataset and SQLData Ingestion and Targets - DatabasesData Ingestion and Targets - Object Stores, Streaming Sources and SinksData Transformation - Selection, Filtering, Sorting, Aggregation, Joins, and Working with Complex TypesData Profiling and Data Quality - DeequTest Driven Development, Code Health and MaintainabilityCI/CD with GitHubOrchestrating Your Data Engineering PipelinesPerformance TuningBuilding Batch Pipelines using Spark & ScalaBuilding Streaming Pipelines using Spark & Scala


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