Broadcast joins in Apache Spark | Rock the JVM

Written version: https://blog.rockthejvm.com/spark-bro...

This video is for the intermediate Spark programmer. We explore a simple but powerful Spark optimization technique for when we need to join a large dataset with a small one. We obtain a 30x performance increase on camera.

This is one of the many techniques we talk about in the Spark Optimization series at Rock the JVM. Check it out: https://rockthejvm.com/p/spark-optimi...

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