Please explain what Spark core is, along with the key functions of Spark core.
SparkCore is a general execution engine that supports all the functions of the Spark platform. It includes Java, Scala and Python APIs that simplify development, in-memory processing capabilities to deliver a better speed, and a generalised execution paradigm to accommodate a variety of applications. The primary functions of SparkCore include all fundamental input and output (I/O) operations, storage scheduling and monitoring. Additionally, it is in charge of efficient memory management and fault recovery.
