Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

How to save RDD?

313

What are the common faults of the developer while using Apache Spark?

287

When creating an RDD, what goes on internally?

295

What is Spark MLlib?

406

What is meant by Transformation? Give some examples.

305

On which all platform can Apache Spark run?

269

What do we mean by Paraquet?

445

Explain various cluster manager in Apache Spark?

381

What is the difference between DAG and Lineage?

1620

What are the file formats supported by spark?

305

List some use cases where Spark outperforms Hadoop in processing.

293

Explain the use of File system API in Apache Spark

286

How can you minimize data transfers when working with Spark?

349

Explain about the common workflow of a Spark program?

339

What do you understand by receivers in Spark Streaming ?

326

Un-Answered Questions { Big Data }

what is difference between int and intwritable?

1475

What are apache tajo sql functions?

Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

650

what Hive query processor does?

667

Does Spark provide the storage layer too?

278

What is Big Data?

614

Can you explain the benefits of big data?

594

Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?

666

What are some of the characteristics of Hadoop framework?

438

Explain Working of MapReduce?

971

What sorts of actions does the job tracker process perform?

421

Explain InputSplit in Hadoop MapReduce?

674

What is a shuffle block in spark?

275

What is application master in spark?

277

What are the various modes in which Spark runs on YARN? (Local vs Client vs Cluster Mode)

270

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