Physical Plan

Understanding Spark’s Logical and Physical Plan in layman’s term

Reading Time: 5 minutes This blog pertains to Apache SPARK 2.x, where we will find out how Spark SQL works internally in layman’s terms and try to understand what is Logical and Physical Plan. Also we will be looking into Catalyst Optimizer. So let’s get started. First let’s see what Apache Spark is. The official definition of Apache Spark says that “Apache Spark™ is a unified analytics engine for large-scale Continue Reading

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