Apache Spark & The Magic of RDDs
Have you ever wondered how Apache Spark processes big data so much faster than MapReduce? In this video, we dive into Spark's core data structure, the RDD, and explore how it performs its heavy lifting directly in RAM.
Chapters:
0:00 - Fixing MapReduce with Apache Spark
0:24 - What is an RDD?
0:50 - Immutability & Rebuilding Lost Data
1:33 - Transformations, Actions, & Lazy Evaluation
2:47 - The Closure Trap Explained
3:40 - Fixing the Trap with Accumulators