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

Big Data Interview Questions

Questions Answers Views Company eMail

What are the different functions available in pig latin language?

292

Explain pig architecture?

299

How does pig work?

355

Why there is need of pig language?

353

What is streaming?

383

What does conf.setmapper class do?

396

What are ‘maps’ and ‘reduces’?

370

What does a split do?

362

How hadoop mapreduce works?

372

What is shuffling in mapreduce?

348

Can we rename the output file?

390

What do sorting and shuffling do?

404

Explain about the partitioning, shuffle and sort phase

391

What are the four basic parameters of a reducer?

374

what is distributed cache in mapreduce framework?

375

Un-Answered Questions { Big Data }

What is the non dfs used?

309

Is hive suitable to be used for oltp systems? Why?

484

What is the use of recordreader in hadoop?

234

what are views in Hive?

469

How many daemon processes run on a hadoop cluster?

238

How is mapreduce related to cloud computing?

348

Can we submit the mapreduce job from slave node?

845

Should we use RAID in Hadoop or not?

703

Explain schemardd?

219

Explain Erasure Coding in Apache Hadoop?

414

What is the function of UNION and SPLIT operators? Give examples?

303

Explain tobag function?

322

What is the default replication factor?

685

What are the types of tables in Hive?

417

How do you handle compression in pig?

300

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