January 2019
Beginner to intermediate
154 pages
4h 31m
English
Content preview from Apache Spark Quick Start Guide
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Cluster-level optimizations
As discussed in Chapter 1, Introduction to Apache Spark, Spark can scale horizontally. This means that performance will increase if you add more nodes to your cluster, because Spark can perform more operations in parallel. Spark also enables users to take good advantage of memory, and a fast network can also help in optimizing shuffle data. Because of all of these reasons, more hardware is always better.
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