Spark Optimization —— Minimizing Data Shuffle

Spark Optimization : Reducing Shuffle

“Shuffling is the only thing which Nature cannot undo.” — Arthur Eddington

Multiple Shuffles Method

I once witnessed individuals engaging in card games while using the term 'Shuffle' long before I learned how to play it. While shuffling cards plays an essential role in distributing 'power', it adds weightage to a player's hand by introd