3 years ago

Category: Database, Data

Spark was first developed at the University of California Berkeley and later donated to the Apache Software Foundation, which has maintained it since.

Spark provides 100x faster processing speeds for applications because it stores the intermediate processing data in memory and does not have any read and write to disk unless you ask it to do.

You are not qualified as a Spark developer until you understand RDD in detail, because it is a fundamental technique used to represent data in Spark's memory.

Spark Core is the heart of Apache Spark and all the functionalities provided by Spark are built on top of Spark Core.