Un-Answered Questions { Big Data }

What is Apache Spark? What is the reason behind the evolution of this framework?

183


What are accumulators in Apache Spark?

222


What is the reason behind Transformation being a lazy operation in Apache Spark RDD? How is it useful?

272


Explain about the different types of trformations on dstreams?

190


Describe the run-time architecture of Spark?

188


What is the FlatMap Transformation in Apache Spark RDD?

203


can you run Apache Spark On Apache Mesos?

211


Describe Partition and Partitioner in Apache Spark?

217


Describe Accumulator in detail in Apache Spark?

202


List down the languages supported by Apache Spark?

191


Discuss the various running mode of Apache Spark?

200


Describe Spark SQL?

216


Explain SparkContext in Apache Spark?

214


What are the types of Transformation in Spark RDD Operations?

196


Explain first() operation in Apache Spark RDD?

239