DataYatriSpark, seen under the hood
Simulate

Simulation/Spark

Educational simulation
Spark

Actions

show, count, collect, write — four actions, four driver costs.

Watch the canvas:safe resultdriver pullwrite to storageLive simulation
show()few rowscount()one integercollect()all rows → driverwrite()files on S3A small pull. The shuffle underneath can still be huge.
show / count / collect / write — four actions, four different driver costs.