What is the default spark executor memory?
What is a parquet file?
Why is spark so fast?
Is apache spark a programming language?
Is apache spark a tool?
Can spark be used without hadoop?
What are the transformations in spark?
What is difference between spark and mapreduce?
What is spark yarn executor memoryoverhead?
Does spark run hadoop?
What is the role of Driver program in Spark Application?
What is Spark Core?
How does Apache Spark handles accumulated Metadata?
What is the difference between map and flatmap?
What are the differences between Caching and Persistence method in Apache Spark?