spark overview下载

weixin_39821620 2019-09-19 06:01:04

spark overview. spark source code analysis
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spark overview. spark source code analysis

Apache Spark 2.4 comes packed with a lot of new functionalities and improvements, including the new barrier execution mode, flexible streaming sink, the native AVRO data source, PySpark’s eager evaluation mode, Kubernetes support, higher-order functions, Scala 2.12 support, and more. Xiao Li and Wenchen Fan offer an overview of the major features and enhancements in Apache Spark 2.4. Along the way, you’ll learn about the design and implementation of V2 of theData Source API and catalog federation in the upcoming Spark release. Then you’ll get the chance to ask all your burning Spark questions.

spark-1.2.0 文档 api Spark Overview Apache Spark is a fast and general-purpose cluster computing system. It provides high-level APIs in Java, Scala and Python, and an optimized engine that supports general execution graphs. It also supports a rich set of higher-level tools including Spark SQL for SQL and structured data processing, MLlib for machine learning, GraphX for graph processing, and Spark Streaming.

About This Book Explore the integration of Apache Spark with third party applications such as H20, Databricks and Titan Evaluate how Cassandra and Hbase can be used for storage An advanced guide with a combination of instructions and practical examples to extend the most up-to date Spark functionalities Who This Book Is For If you are a developer with some experience with Spark and want to strengthen your knowledge of how to get around in the world of Spark, then this book is ideal for you. Basic knowledge of Linux, Hadoop and Spark is assumed. Reasonable knowledge of Scala is expected. What You Will Learn Extend the tools available for processing and storage Examine clustering and classification using MLlib Discover Spark stream processing via Flume, HDFS Create a schema in Spark SQL, and learn how a Spark schema can be populated with data Study Spark based graph processing using Spark GraphX Combine Spark with H20 and deep learning and learn why it is useful Evaluate how graph storage works with Apache Spark, Titan, HBase and Cassandra Use Apache Spark in the cloud with Databricks and AWS In Detail Apache Spark is an in-memory cluster based parallel processing system that provides a wide range of functionality like graph processing, machine learning, stream processing and SQL. It operates at unprecedented speeds, is easy to use and offers a rich set of data transformations. This book aims to take your limited knowledge of Spark to the next level by teaching you how to expand Spark functionality. The book commences with an overview of the Spark eco-system. You will learn how to use MLlib to create a fully working neural net for handwriting recognition. You will then discover how stream processing can be tuned for optimal performance and to ensure parallel processing. The book extends to show how to incorporate H20 for machine learning, Titan for graph based storage, Databricks for cloud-based Spark. Intermediate Scala based code examples are provided for Apache Spark module processing in a CentOS Linux and Databricks cloud environment. Table of Contents Chapter 1: Apache Spark Chapter 2: Apache Spark Mllib Chapter 3: Apache Spark Streaming Chapter 4: Apache Spark Sql Chapter 5: Apache Spark Graphx Chapter 6: Graph-Based Storage Chapter 7: Extending Spark With H2O Chapter 8: Spark Databricks Chapter 9: Databricks Visualization

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