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Big Data Interview Questions
Questions Answers Views Company eMail

What are transformations in spark?

 204

What is driver and executor in spark?

 184

Is spark secure?

 186

What is executor memory and driver memory in spark?

 194

What is the point of apache spark?

 189

What is rdd map?

 203

What is faster than apache spark?

 194

What is spark training?

 199

How many ways we can create rdd in spark?

 182

How tasks are created in spark?

 201

Is apache spark a tool?

 182

What is difference between spark and mapreduce?

 186

Who created spark?

 180

How is spark fault tolerance?

 268

What is cluster in apache spark?

 220

Un-Answered Questions { Big Data }

What is the FlatMap Transformation in Apache Spark RDD?

203

What is MapReduce? What are the syntax you use to run a MapReduce program?

372

Explain about the different channel types in Flume. Which channel type is faster?

145

What is the function of co-group in Pig?

556

Should the region server be located on all DataNodes?

305




Can you explain clustering in mahout?

35

What do you understand by a closure in scala?

275

Can you explain data versioning?

120

What is version-id mismatch error in hadoop?

743

What is the difference betwaeen mapreduce engine and hdfs cluster?

21

What is the use of combiners in the hadoop framework?

360

Which one is default?

230

Clarify what is sequence file input format?

267

What can you do with Kafka?

319

How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?

350

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