Few Spark Concepts :

  1. Spark SQL Execution Plan
  2. Lineage Vs. Dag
  3. Narrow Vs. Wide Dependency
  4. How Does Spark Read Large File

1. SPARK SQL EXECUTION PLAN:

2. LINEAGE vs. DAG:

3. NARROW and WIDE DEPENDENCIES:

4. HOW DOES SPARK READ LARGE FILE?

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