Apache Spark Interview Questions
Un-Answered Questions { Apache Spark }
What is pregel api?
What is a "worker node"?
What is the difference between dataframe and dataset in spark?
Do I need to learn scala for spark?
Is there an api for implementing graphs in spark?
What is spark tool in big data?
How tasks are created in spark?
When to use coalesce and repartition in spark?
Can you explain broadcast variables?
How apache spark works?
Which are the methods to create rdd in spark?
What purpose would an engineer use spark?
Explain countByValue() operation in Apache Spark RDD?
What are the various advantages of DataFrame over RDD in Apache Spark?
How can you remove the elements with a key present in any other RDD?
