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Apache Spark Interview Questions
Un-Answered Questions { Apache Spark }
Can you explain worker node?
How does apache spark engine work?
Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?
What is meant by rdd in spark?
How do I install spark?
What is Apache Spark Machine learning library?
Do you need to install Spark on all nodes of Yarn cluster while running Spark on Yarn?
Why lazy evaluation is good in spark?
What are the limitations of Apache Spark?
Is there an api for implementing graphs in spark?
Explain cogroup() operation in Spark?
How is spark sql different from hql and sql?
Explain pipe() operation. How it writes the result to the standard output?
What are the different levels of persistence in Spark?
Explain textFile Vs wholeTextFile in Spark?
