Remove Big Data Skills Remove Bytes Remove Programming Remove Scala
article thumbnail

50 PySpark Interview Questions and Answers For 2023

ProjectPro

PySpark runs a completely compatible Python instance on the Spark driver (where the task was launched) while maintaining access to the Scala-based Spark cluster access. Although Spark was originally created in Scala, the Spark Community has published a new tool called PySpark, which allows Python to be used with Spark.

Hadoop 52
article thumbnail

100+ Big Data Interview Questions and Answers 2023

ProjectPro

Serialization: Serialization is the process of encoding data according to specific rules. Make sure that your program operates consistently. Another name for it is a programming model that enables us to process big datasets across computer clusters. The MapReduce program works in two different phases: Map and Reduce.