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Big Data Interview Questions
Questions Answers Views Company eMail

What is the FlatMap Transformation in Apache Spark RDD?

 203

can you run Apache Spark On Apache Mesos?

 217

Describe Partition and Partitioner in Apache Spark?

 221

Describe Accumulator in detail in Apache Spark?

 206

List down the languages supported by Apache Spark?

 191

Discuss the various running mode of Apache Spark?

 208

Describe Spark SQL?

 222

Explain SparkContext in Apache Spark?

 216

What are the types of Transformation in Spark RDD Operations?

 199

Explain first() operation in Apache Spark RDD?

 243

What are the ways in which Apache Spark handles accumulated Metadata?

 260

Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?

 201

Is it possible to run Apache Spark without Hadoop?

 195

What is Apache Spark Streaming?

 204

How can you implement machine learning in Spark?

 181

Un-Answered Questions { Big Data }

What is executor memory in a spark application?

228

Is it necessary to know java to learn hadoop?

378

Explain the core methods of a reducer?

205

Why do we need MapReduce during Pig programming?

379

What is the Job interface in MapReduce framework?

647




What are the modules that constitute the Apache Hadoop 2.0 framework?

704

what is a cluster in cassandra?

73

What are the types of hive ddl commands?

414

What is the difference between big data and cloud computing?

343

What is Map() operation in Apache Spark?

242

What is the local repository and where it is useful while using ambari environment?

48

Explain how Hadoop cluster hardware planning and provisioning is done?

277

What is write ahead log(journaling)?

212

What is HBase Shell?

130

Explain how cassandra delete data?

66

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