DATA

Spark Query Plans for Dummies

Anjana Sudhir
Jan 25 · 7 min read

In Spark, the query execution plan is the entry point to understanding how the spark query is executed. This is very important, especially while debugging or investigating the execution in heavy workloads, or when the job takes a long time to run. Understanding the query plan is the first step one has to make towards optimizing the Spark code.