Chapter 4 covered major capabilities in Spark SQL to perform simple to complex data processing. When you use Spark to process large datasets in hundreds of gigabytes or terabytes, you encounter interesting and challenging performance issues; therefore, it is important to know how to deal with them. Mastering Spark application performance issues is a very interesting, challenging, and broad topic. It requires a lot of research and a deep understanding of some of the key areas of Spark related to memory management and data ...
5. Optimizing Spark Applications
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