Big Data Interview Questions
Questions Answers Views Company eMail

What advantages does Spark offer over Hadoop MapReduce?

207

Why is Spark RDD immutable?

213

What are the types of Apache Spark transformation?

196

What is Spark Core?

197

Why Apache Spark?

219

Explain transformation and action in RDD in Apache Spark?

205

How can we create RDD in Apache Spark?

206

What is SparkSession in Apache Spark?

197

What is the Difference SparkSession vs SparkContext in Apache Spark?

251

What are the abstractions of Apache Spark?

224

What is SparkContext in Apache Spark?

212

What are the components of Apache Spark Ecosystem?

265

Explain the RDD properties?

212

What does ‘jps’ command do?

403

Mention what is the use of Context Object?

417


Un-Answered Questions { Big Data }

Which spark library allows reliable file sharing at memory speed across different cluster frameworks?

184


What Mapper does?

651


Why spark is used?

187


What is Geo-Replication in Kafka?

611


What are the views in Hive?

398






What is rdd lineage graph? How is it useful in achieving fault tolerance?

184


Why big data use?

210


What do you understand by Pair RDD?

213


How can we check whether namenode is working or not?

383


Explain when to use explode in Hive?

406


Define Writable data types in Hadoop MapReduce?

346


What is meant by spark in big data?

180


What is flatmap?

207


What is difference between hive and hdfs?

374


What is spark context spark session?

185