6. Apache Spark Explained Simply
6.2 Driver / Executor Model
Why. Interviewers ask driver vs executor.
What. The driver coordinates. Executors do the parallel tasks. Your laptop local mode still uses this mental model with fewer workers.
6. Apache Spark Explained Simply
Why. Interviewers ask driver vs executor.
What. The driver coordinates. Executors do the parallel tasks. Your laptop local mode still uses this mental model with fewer workers.